Audi TT 50 User Manual

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability with respect to the correctness of information in this document. Copyright by AUDI AG.

Service

Workshop Manual

Audi TT 2007 ➤

General body repairs, interior

Edition 07.2010

Service Department. Technical Information

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability with respect to the correctness of information in this document. Copyright by AUDI AG.

Service

List of Workshop Manual Repair GroupsList of Workshop Manual Repair GroupsList of Workshop Manual Repair Groups

Re pa ir G ro up

00 - Technical data

68 - Interior equipment

69 - Passenger protection

70 - Trim, insulation

72 - Seat frames

74 - Seat - padding, covers

Technical information should always be available to the foremen and mechanics, because their careful and constant adherence to the instructions is essential to ensure vehicle road-worthiness and safety. In addition, the normal basic safety precautions for working on motor vehicles must, as a matter of course, be observed.

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability with respect to the correctness of information in this document. Copyright by AUDI AG.

Audi TT 2007 ➤

General body repairs, interior - Edition 07.2010

Contents

00 - Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

1 Routing and attaching pipes/hoses and wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

2 Contact corrosion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

68 - Interior equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1 Shelves / trim panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1.1 Exploded view of shelves / trim panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1.2 Exploded view of dash panel trim (driver side) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

1.3 Removing and installing dash panel trim (driver side) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

1.4 Exploded view of trim for steering column switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

1.5 Removing and installing trim cover for instrument cluster . . . . . . . . . . . . . . . . . . . . . . . . . . 6

1.6 Removing and installing upper trim for steering column switch . . . . . . . . . . . . . . . . . . . . . . 7

1.7 Removing and installing trim (bottom) for steering column switch . . . . . . . . . . . . . . . . . . . . 8

1.8 Exploded view of glove box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

1.9 Manually releasing the glove box lid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

1.10 Removing and installing trim panel for glove box lid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

1.11 Removing and installing glove box opening mechanism with lock . . . . . . . . . . . . . . . . . . . . 11

1.12 Removing and installing glove box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

1.13 Removing and installing cushioning element for glove box lid . . . . . . . . . . . . . . . . . . . . . . 12

1.14 Removing and installing storage net . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

2 Centre console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

2.1 Exploded view of centre console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

2.2 Removing and installing side trim for centre console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

2.3 Removing and installing bracket for side trim . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

2.4 Removing and installing centre console trim - vehicles with manual gearbox . . . . . . . . . . 17

2.5 Removing and installing centre console trim - vehicles with dual clutch gearbox . . . . . . . . 18

2.6 Removing and installing trim frame - vehicles with manual gearbox . . . . . . . . . . . . . . . . . . 19

2.7 Removing and installing trim frame - vehicles with dual clutch gearbox . . . . . . . . . . . . . . 20

2.8 Removing and installing button module in centre console trim . . . . . . . . . . . . . . . . . . . . . . 20

2.9 Installation position of convertible roof actuation button E137 and cabrio windbreak switch

E278 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

2.10 Removing and installing grip moulding for handbrake lever . . . . . . . . . . . . . . . . . . . . . . . . 21

2.11 Removing and installing ashtray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

2.12 Removing and installing ashtray lid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

2.13 Removing and installing trim for ashtray lid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

2.14 Removing and installing centre console (front) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

2.15 Removing and installing centre console (rear) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

2.16 Removing and installing brackets for centre console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

3 Trim for handbrake grip . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

3.1 Exploded view of trim for handbrake grip . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

3.2 Removing and installing trim for handbrake grip - vehicles with no centre armrest . . . . . . 26

3.3 Removing and installing trim for handbrake grip - vehicles with centre armrest . . . . . . . . 26

3.4 Removing and installing handbrake trim panels (left and right) - vehicles with centre

armrest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

4 Centre armrest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

4.1 Exploded view of centre armrest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

4.2 Removing and installing centre armrest padding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

4.3 Removing and installing holder for padding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

5 Interior mirror . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

5.1 Safety regulations for interior mirror . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

5.2 General notes on interior mirror . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

5.3 Switching automatic anti-dazzle function on and off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

5.4 Switching compass display on and off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Contents i

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Audi TT 2007 ➤ General body repairs, interior - Edition 07.2010

5.5 Setting magnetic deflection zone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

5.6 Calibrating digital compass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

5.7 Adjusting automatic anti-dazzle interior mirror Y7 for right-hand drive or left-hand drive

vehicles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

5.8 Selecting the applicable deflection zone from the map . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

5.9 Checking operation of automatic anti-dazzle interior mirror . . . . . . . . . . . . . . . . . . . . . . . . 38

5.10 Removing and installing interior mirror . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

5.11 Removing and installing rain and light sensor G397 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

69 - Passenger protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

1 Safety regulations and test methods for pyrotechnic, electrical and mechanical components

of the restraint system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

1.1 General safety regulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

1.2 Storing, transporting and disposing of airbag units, belt tensioner units and battery isolation

units (pyrotechnic components) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

1.3 Additional safety regulations for side airbags . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

1.4 Additional safety regulations for curtain airbags . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

1.5 Safety regulations for crash sensors (pressure sensors) for side airbag (front) . . . . . . . . . . 45

1.6 Additional safety regulations for working on seat occupied sensor controlling deactivation of

front passenger airbag - country-specific version . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

1.7 Procedure for dealing with seat occupied sensor controlling deactivation of front passenger

airbag following an accident - country-specific version . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

1.8 Renewing pyrotechnic, electrical and mechanical components of the restraint system

following an accident . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

1.9 Checking airbag mounting components following an accident . . . . . . . . . . . . . . . . . . . . . . 49

1.10 Accident in which no airbag was triggered . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

1.11 Checking seat belts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

1.12 Checking belt webbing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

1.13 Checking automatic belt retractor (locking action) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

1.14 Visual inspection of belt buckle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

1.15 Functional check of belt buckle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

1.16 Checking guide fittings and latch plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

1.17 Checking securing components and anchorage points following an accident . . . . . . . . . . 52

1.18 Checking child seat restraint function for additional child seats (not for driver's seat belt) -

country-specific version . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

1.19 Checking child seat anchors following an accident . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

2 Seat belts (Coupé) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

2.1 Overview of seat belts and anchorage points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

2.2 Exploded view of three-point seat belt (front) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

2.3 Removing and installing three-point seat belt with belt tensioner / pressure limiter . . . . . . 55

2.4 Removing and installing outer belt end fitting (front) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

2.5 Removing and installing belt guide fitting anchorage point . . . . . . . . . . . . . . . . . . . . . . . . 57

2.6 Exploded view of belt buckle anchorage point (front) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

2.7 Removing and installing front buckle anchorage point . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

2.8 Exploded view of three-point seat belt (rear) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

2.9 Removing and installing three-point seat belt (rear) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

2.10 Removing and installing outer belt end fitting (rear) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

2.11 Exploded view of belt buckle (rear) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

2.12 Removing and installing belt buckle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

3 Seat belts (Roadster) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

3.1 Overview of seat belts and anchorage points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

3.2 Exploded view of three-point seat belt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

3.3 Removing and installing three-point seat belt with belt tensioner / pressure limiter . . . . . . 67

3.4 Removing and installing outer belt end fitting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

3.5 Removing and installing belt guide anchorage point . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

3.6 Overview of buckle anchorage point . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

3.7 Removing and installing front buckle anchorage point . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

ii Contents

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability with respect to the correctness of information in this document. Copyright by AUDI AG.

Audi TT 2007 ➤

General body repairs, interior - Edition 07.2010

4 Child seat anchors (ISOFIX, Top Tether) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

4.1 Exploded view of child seat anchors (ISOFIX) for front seat . . . . . . . . . . . . . . . . . . . . . . . . 75

4.2 Removing and installing child seat anchor (ISOFIX) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

4.3 Exploded view of child seat anchors (ISOFIX) for rear seats . . . . . . . . . . . . . . . . . . . . . . . . 79

4.4 Exploded view of child seat anchor (Top Tether) - country-specific version . . . . . . . . . . . . 80

4.5 Removing and installing child seat mounting (Top Tether) . . . . . . . . . . . . . . . . . . . . . . . . 80

5 Servicing airbags . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82

5.1 Overview of fitting locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82

5.2 Exploded view of airbag control unit J234 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83

5.3 Removing and installing airbag control unit J234 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83

5.4 Exploded view of battery isolation igniter N253 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86

5.5 Removing and installing battery isolation igniter N253 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86

6 Servicing airbag (driver side) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89

6.1 Exploded view of airbag unit (driver side) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89

6.2 Removing and installing airbag igniter on driver side N95 and airbag igniter 2 on driver side

N250 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89

6.3 Renewing connector at airbag unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92

7 Servicing airbag (front passenger side) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94

7.1 Exploded view of airbag unit (front passenger side) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94

7.2 Removing and installing airbag unit (front passenger side) . . . . . . . . . . . . . . . . . . . . . . . . 95

7.3 Removing and installing brackets for airbag unit (front passenger side) . . . . . . . . . . . . . . 97

7.4 Removing and installing key-operated switch to deactivate airbag on front passenger side

E224 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97

7.5 Removing and installing warning lamp for airbag deactivated on front passenger side K145

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98

8 Servicing side airbag (front) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99

8.1 Exploded view of side airbag (front) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99

8.2 Removing and installing side airbag . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100

9 Servicing knee airbag . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102

9.1 Exploded view of knee airbag unit (driver and passenger side) . . . . . . . . . . . . . . . . . . . . . . 102

9.2 Removing and installing knee restraint (dash panel trim, driver side) . . . . . . . . . . . . . . . . 104

9.3 Removing and installing knee airbag (driver side) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104

9.4 Removing and installing supports (left and right) for knee airbag (driver side) . . . . . . . . . . 106

9.5 Removing and installing retaining bracket (above knee airbag, driver side) . . . . . . . . . . . . 107

9.6 Removing and installing glove box (on vehicles with knee airbag) . . . . . . . . . . . . . . . . . . 108

9.7 Removing and installing knee airbag (front passenger side) . . . . . . . . . . . . . . . . . . . . . . . . 110

9.8 Removing and installing supports (left and right) for knee airbag (front passenger side) . . 112

10 Servicing crash sensors for airbags . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115

10.1 Overview of fitting locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115

10.2 Removing and installing crash sensor for front airbag . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116

10.3 Removing and installing crash sensor for side airbag . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118

11 Belt-fastened recognition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122

11.1 Removing and installing seat occupied sensor (front passenger side) G128 . . . . . . . . . . 122

12 Seat position sensor - country-specific version . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124

12.1 Exploded view of seat position sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124

12.2 Removing and installing seat position sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125

13 Servicing seat occupied recognition system for front passenger's airbag - country-specific

version . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127

13.1 Exploded view of seat occupied sensor for front passenger airbag - country-specific

version . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128

13.2 Removing and installing seat occupied recognition system - country-specific version . . . . 129

70 - Trim, insulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133

1 Door trim . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133

1.1 Exploded view of door trim . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133

Contents iii

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability with respect to the correctness of information in this document. Copyright by AUDI AG.

Audi TT 2007 ➤ General body repairs, interior - Edition 07.2010

1.2 Removing and installing mid-range loudspeaker trim . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135

1.3 Removing and installing bass loudspeaker trim . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135

1.4 Removing and installing trim panel for BOSE sound system . . . . . . . . . . . . . . . . . . . . . . . . 136

1.5 Removing and installing trim for door puller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136

1.6 Removing and installing door trim . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137

1.7 Removing and installing inner cover panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139

1.8 Removing and installing interior door handle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140

1.9 Removing and installing door puller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140

1.10 Removing and installing armrest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141

1.11 Removing and installing mounting for mirror adjustment switch . . . . . . . . . . . . . . . . . . . . 141

1.12 Removing and installing mounting for window regulator switch . . . . . . . . . . . . . . . . . . . . . . 142

2 Dash panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143

2.1 Overview of dash panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143

2.2 Exploded view of dash panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144

2.3 Removing and installing dash panel end trim . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146

2.4 Removing and installing dash panel vent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146

2.5 Removing and installing side loudspeaker trim . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147

2.6 Removing and installing centre loudspeaker trim . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147

2.7 Removing and installing trim cover for centre console . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147

2.8 Removing and installing cover for instrument cluster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148

2.9 Removing and installing mounting frame for radio / navigation system . . . . . . . . . . . . . . . . 149

2.10 Removing and installing dash panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149

2.11 Removing and installing side defroster vents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152

2.12 Removing and installing defroster vent (centre) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152

3 Central tube . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153

3.1 Exploded view of central tube . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153

3.2 Removing and installing central tube . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156

4 Trim panels (Coupé) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162

4.1 Overview of trim panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162

4.2 Exploded view of A-pillar trim (top) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164

4.3 Removing and installing A-pillar trim (top) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164

4.4 Exploded view of A-pillar trim (bottom) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 166

4.5 Removing and installing A-pillar trim (bottom) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 166

4.6 Exploded view of foot rest cover and bracket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168

4.7 Removing and installing foot rest cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169

4.8 Removing and installing foot rest bracket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169

4.9 Exploded view of sill panel trim . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170

4.10 Removing sill panel trim . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170

4.11 Exploded view of C-pillar trim . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172

4.12 Removing and installing C-pillar trim . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172

4.13 Exploded view of rear side trim . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175

4.14 Removing and installing rear side trim . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175

4.15 Removing and installing bracket for C-pillar trim, rear side trim and luggage compartment

side trim . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177

4.16 Removing and installing belt exit point trim . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178

4.17 Exploded view of roof end trim . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179

4.18 Removing and installing roof end trim . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179

4.19 Exploded view of floor covering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181

4.20 Removing and installing floor covering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181

4.21 Exploded view of rear lid trim panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183

4.22 Removing and installing rear lid trim (top) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183

4.23 Removing and installing rear lid trim (bottom) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184

4.24 Removing and installing trim for rear lid lock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185

4.25 Exploded view of rear shelf . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186

4.26 Removing and installing front section of rear shelf . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186

4.27 Removing and installing rear section of rear shelf . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187

iv Contents

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability with respect to the correctness of information in this document. Copyright by AUDI AG.

Audi TT 2007 ➤

General body repairs, interior - Edition 07.2010

4.28 Exploded view of rear cross panel trim . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187

4.29 Removing and installing rear cross panel trim . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188

4.30 Exploded view of luggage compartment side trim . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189

4.31 Removing and installing luggage compartment side trim . . . . . . . . . . . . . . . . . . . . . . . . . . 189

4.32 Removing and installing fastening ring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190

4.33 Exploded view of luggage compartment floor covering . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191

4.34 Removing and installing luggage compartment floor covering . . . . . . . . . . . . . . . . . . . . . . 191

5 Trim panels (Roadster) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192

5.1 Overview of trim panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192

5.2 Exploded view of locking element trim . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 194

5.3 Exploded view of trim for windscreen frame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195

5.4 Removing and installing trim for windscreen frame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195

5.5 Exploded view of sun visor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197

5.6 Exploded view of A-pillar trim (top) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 198

5.7 Removing and installing A-pillar trim (top) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 198

5.8 Exploded view of A-pillar trim (bottom) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200

5.9 Removing and installing A-pillar trim (bottom) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200

5.10 Exploded view of foot rest cover and bracket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203

5.11 Removing and installing foot rest cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203

5.12 Removing and installing foot rest bracket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204

5.13 Exploded view of sill panel trim . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205

5.14 Removing and installing sill panel trim . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205

5.15 Exploded view of floor covering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206

5.16 Removing and installing floor covering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207

5.17 Exploded view of back panel side trim . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 208

5.18 Removing and installing back panel side trim . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209

5.19 Exploded view of storage compartments (left and right) . . . . . . . . . . . . . . . . . . . . . . . . . . 210

5.20 Exploded view of centre storage compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211

5.21 Removing and installing centre storage compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211

5.22 Exploded view of back panel cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213

5.23 Removing and installing back panel cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 214

5.24 Exploded view of roll-over bar trim . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215

5.25 Removing and installing roll-over bar trim . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215

5.26 Exploded view of windbreak . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217

5.27 Removing and installing windbreak (or mount for windbreak) . . . . . . . . . . . . . . . . . . . . . . 217

5.28 Exploded view of convertible roof compartment trim (front) . . . . . . . . . . . . . . . . . . . . . . . . 218

5.29 Removing and installing convertible roof compartment trim (front) . . . . . . . . . . . . . . . . . . 218

5.30 Exploded view of convertible roof compartment trim (rear) . . . . . . . . . . . . . . . . . . . . . . . . 219

5.31 Exploded view of luggage compartment floor covering . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221

5.32 Exploded view of rear cross panel trim . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 222

5.33 Removing and installing rear cross panel trim . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223

5.34 Exploded view of luggage compartment side trim . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224

5.35 Removing and installing luggage compartment side trim . . . . . . . . . . . . . . . . . . . . . . . . . . 224

5.36 Exploded view of luggage compartment trim (front and top) . . . . . . . . . . . . . . . . . . . . . . . . 225

5.37 Exploded view of centre storage compartment (bottom) . . . . . . . . . . . . . . . . . . . . . . . . . . 228

5.38 Removing and installing centre storage compartment (bottom) . . . . . . . . . . . . . . . . . . . . . . 228

5.39 Exploded view of rear lid trim panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 229

5.40 Removing and installing rear lid trim . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 229

5.41 Removing and installing trim for rear lid lock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 230

6 Roof trim (Coupé) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231

6.1 Exploded view of moulded headliner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231

6.2 Removing and installing moulded headliner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231

6.3 Exploded view of sun visors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 234

6.4 Removing and installing sun visors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 235

6.5 Exploded view of centre bracket for sun visor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 236

6.6 Removing and installing centre bracket for sun visor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 236

Contents v

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability with respect to the correctness of information in this document. Copyright by AUDI AG.

Audi TT 2007 ➤ General body repairs, interior - Edition 07.2010

72 - Seat frames . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 238

1 Overview of seat versions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 238

1.1 Moving front seats to service position . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239

1.2 Attaching front seat to seat repair stand VAS 6136 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240

2 Front seats with manual adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242

2.1 Exploded view of front seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242

2.2 Removing and installing front seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 243

2.3 Unplugging and plugging in connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245

2.4 Connecting airbag adapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 246

2.5 Connector point connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 246

2.6 Exploded view of modular wire routing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 246

2.7 Modular wire routing versions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247

2.8 Modular wire routing with corrugated tube at front seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247

2.9 Removing and installing seat rail covers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250

2.10 Removing and installing stop for longitudinal seat adjustment . . . . . . . . . . . . . . . . . . . . . . 250

2.11 Exploded view of trim (sill side and tunnel side) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251

2.12 Removing and installing backrest adjuster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251

2.13 Removing and installing trim (sill side) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252

2.14 Exploded view of lumbar support adjustment switch E176 / E177 . . . . . . . . . . . . . . . . . . 254

2.15 Removing and installing lumbar support adjustment switch E176 / E177 . . . . . . . . . . . . . . 255

2.16 Removing and installing trim (tunnel side) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255

2.17 Exploded view of retaining bracket for trim (sill side) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 256

2.18 Removing and installing retaining bracket for trim (sill side) . . . . . . . . . . . . . . . . . . . . . . . . 256

2.19 Exploded view of seat height adjustment unit and seat height adjuster . . . . . . . . . . . . . . . . 257

2.20 Removing and installing seat height adjuster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 258

2.21 Removing and installing seat height adjustment unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259

2.22 Removing and installing seat longitudinal adjustment handle . . . . . . . . . . . . . . . . . . . . . . 260

2.23 Exploded view of front seat backrest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 261

2.24 Removing and installing front seat backrest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 262

2.25 Exploded view of backrest cover panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265

2.26 Removing and installing backrest cover panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 266

2.27 Exploded view of spring mat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 266

2.28 Removing and installing spring mat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 267

2.29 Exploded view of four-way lumbar support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 268

2.30 Removing and installing four-way lumbar support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 268

2.31 Exploded view of Easy Entry facility (Coupé only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 269

2.32 Removing and installing trim with Easy Entry handle (Coupé only) . . . . . . . . . . . . . . . . . . 269

2.33 Removing and installing retainer for Easy Entry facility (Coupé only) . . . . . . . . . . . . . . . . 269

2.34 Removing and installing Bowden cables, left and right (Coupé only) . . . . . . . . . . . . . . . . 269

2.35 Adjusting Bowden cables for Easy Entry facility (Coupé only) . . . . . . . . . . . . . . . . . . . . . . 269

2.36 Exploded view of head restraints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270

2.37 Removing and installing head restraints with slide-in locking mechanism . . . . . . . . . . . . . . 270

2.38 Removing and installing head restraint guides without and with release button . . . . . . . . 270

2.39 Exploded view of seat pan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270

2.40 Renewing seat pan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 271

2.41 Exploded view of storage compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 272

2.42 Removing and installing storage compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 272

2.43 Exploded view of storage compartment components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 272

2.44 Dismantling and assembling storage compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 272

3 Front seats with electric adjustment (electrically operated seats) . . . . . . . . . . . . . . . . . . . . 273

3.1 Exploded view of front seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 273

3.2 Removing and installing front seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 274

3.3 Removing front seat if seat longitudinal adjustment motor V288 is defective . . . . . . . . . . 277

3.4 Unplugging and plugging in connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 280

3.5 Connecting airbag adapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 283

vi Contents

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Audi TT 2007 ➤

General body repairs, interior - Edition 07.2010

3.6 Connector point connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 286

3.7 Exploded view of modular wire routing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 286

3.8 Modular wire routing versions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 286

3.9 Modular wire routing with corrugated tube at front seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . 286

3.10 Removing and installing spindle covers and seat rail covers . . . . . . . . . . . . . . . . . . . . . . . . 286

3.11 Exploded view of trim (sill side and tunnel side) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 289

3.12 Removing and installing trim (sill side) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 289

3.13 Removing and installing trim (tunnel side) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 291

3.14 Exploded view of retaining bracket for trim (sill side) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 293

3.15 Removing and installing retaining bracket for trim (sill side) . . . . . . . . . . . . . . . . . . . . . . . . 293

3.16 Exploded view of seat and backrest adjustment actuators . . . . . . . . . . . . . . . . . . . . . . . . 294

3.17 Removing and installing seat adjustment actuator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 294

3.18 Removing and installing backrest adjustment actuator . . . . . . . . . . . . . . . . . . . . . . . . . . . . 295

3.19 Exploded view of front seat backrest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 297

3.20 Removing and installing front seat backrest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 298

3.21 Exploded view of backrest cover panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 301

3.22 Removing and installing backrest cover panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 302

3.23 Exploded view of four-way lumbar support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 306

3.24 Removing and installing four-way lumbar support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 307

3.25 Exploded view of Easy Entry facility (Coupé only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 311

3.26 Removing and installing trim with Easy Entry handle (Coupé only) up to 10.2006 . . . . . . 312

3.27 Removing and installing trim with Easy Entry handle (Coupé only) from 11.2006 onwards

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 313

3.28 Removing and installing retainer for Easy Entry facility (Coupé only) . . . . . . . . . . . . . . . . 314

3.29 Removing and installing Bowden cables, left and right (Coupé only) . . . . . . . . . . . . . . . . 315

3.30 Adjusting Bowden cables for Easy Entry facility (Coupé only) . . . . . . . . . . . . . . . . . . . . . . 318

3.31 Exploded view of head restraints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 321

3.32 Removing and installing head restraints with slide-in locking mechanism . . . . . . . . . . . . . . 321

3.33 Removing and installing head restraint guides without and with release button . . . . . . . . 322

3.34 Exploded view of seat pan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 325

3.35 Dismantling and assembling seat pan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 326

3.36 Exploded view of storage compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 329

3.37 Removing and installing storage compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 329

3.38 Exploded view of storage compartment components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 332

3.39 Dismantling and assembling storage compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 332

3.40 Overview of electrical and electronic components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 335

3.41 Exploded view of seat rake adjustment motor V243 / V244 . . . . . . . . . . . . . . . . . . . . . . . . 336

3.42 Removing and installing seat rake adjustment motor V243 / V244 . . . . . . . . . . . . . . . . . . 337

3.43 Exploded view of seat longitudinal adjustment motor V288 . . . . . . . . . . . . . . . . . . . . . . . . 339

3.44 Removing and installing seat longitudinal adjustment motor V288 . . . . . . . . . . . . . . . . . . 339

3.45 Exploded view of backrest adjustment motor V45 / V46 . . . . . . . . . . . . . . . . . . . . . . . . . . 342

3.46 Removing and installing backrest adjustment motor V45 / V46 . . . . . . . . . . . . . . . . . . . . 343

3.47 Exploded view of limit switch E69 / E70 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 345

3.48 Removing and installing limit switch E69 / E70 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 346

3.49 Exploded view of lumbar support longitudinal and height adjustment motors . . . . . . . . . . 348

3.50 Removing and installing lumbar support longitudinal adjustment motor V125 / V126 . . . . 349

3.51 Removing and installing lumbar support height adjustment motor V129 / V130 . . . . . . . . 351

3.52 Exploded view of seat height adjustment motor V245 / V246 . . . . . . . . . . . . . . . . . . . . . . 354

3.53 Removing and installing seat height adjustment motor V245 / V246 . . . . . . . . . . . . . . . . 354

3.54 Removing and installing toothed segment for seat height adjustment . . . . . . . . . . . . . . . . 356

3.55 Exploded view of lumbar support adjustment switch E176 / E177 . . . . . . . . . . . . . . . . . . 359

3.56 Removing and installing lumbar support adjustment switch E176 / E177 . . . . . . . . . . . . . . 360

3.57 Exploded view of switches for seat longitudinal adjustment, rake adjustment, seat height

adjustment and backrest adjustment ( E418 , E421 , E424 , E425 ) . . . . . . . . . . . . . . . . . . 361

3.58 Removing and installing seat longitudinal adjustment button, rake adjustment button, seat height adjustment button and backrest adjustment button ( E418 , E421 , E424 , E425 )

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 362

Contents vii

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Audi TT 2007 ➤ General body repairs, interior - Edition 07.2010

4 Front bucket seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 363

4.1 Removing and installing seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 363

4.2 Stop for longitudinal seat adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 364

4.3 Removing and installing seat rail cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 364

4.4 Unplugging electrical connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 365

4.5 Removing and installing side trim panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 366

4.6 Removing and installing backrest adjuster knob . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 368

4.7 Removing and installing seat height adjuster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 368

4.8 Removing and installing backrest and seat pan (front) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 369

4.9 Removing and installing seat height adjustment unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 372

4.10 Removing and installing backrest cover panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 373

4.11 Exploded view of operating cable for locking backrest . . . . . . . . . . . . . . . . . . . . . . . . . . . . 376

4.12 Removing and installing operating cable for locking backrest . . . . . . . . . . . . . . . . . . . . . . 377

4.13 Adjusting operating cables for locking backrest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 380

5 Rear seats (Coupé only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 381

5.1 Exploded view of rear seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 381

5.2 Exploded view of seat bench . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 382

5.3 Removing and installing seat bench . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 383

5.4 Exploded view of seat frame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 384

5.5 Removing and installing seat frame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 385

5.6 Exploded view of 1/2 section of backrest (left and right) . . . . . . . . . . . . . . . . . . . . . . . . . . 385

5.7 Removing and installing backrest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 386

5.8 Removing and installing cap for centre mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 389

5.9 Exploded view of belt buckle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 391

5.10 Removing and installing belt buckle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 391

5.11 Exploded view of release mechanism (left-side/right-side) . . . . . . . . . . . . . . . . . . . . . . . . 391

5.12 Removing and installing release mechanism (left-side/right-side) . . . . . . . . . . . . . . . . . . . . 391

5.13 Removing and installing trim (left-side/right-side) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 395

5.14 Removing and installing button for release mechanism . . . . . . . . . . . . . . . . . . . . . . . . . . . . 396

5.15 Removing and installing outer filler piece (left-side/right-side) . . . . . . . . . . . . . . . . . . . . . . 398

5.16 Removing and installing inner filler piece (left-side/right-side) . . . . . . . . . . . . . . . . . . . . . . 398

5.17 Exploded view of child seat mounting (Top Tether) - country-specific version . . . . . . . . . . 399

5.18 Removing and installing child seat mounting (Top Tether) . . . . . . . . . . . . . . . . . . . . . . . . 399

5.19 Exploded view of backrest frame and backrest pan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 399

5.20 Removing and installing backrest frame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 399

5.21 Removing and installing backrest pan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400

74 - Seat - padding, covers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 401

1 Covers and padding on front seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 401

1.1 Exploded view of seat pan cover and padding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 401

1.2 Removing and installing seat pan cover and padding . . . . . . . . . . . . . . . . . . . . . . . . . . . . 401

1.3 Detaching seat cover from padding (seat pan) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 404

1.4 Exploded view of backrest cover and padding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 406

1.5 Removing and installing backrest cover and padding . . . . . . . . . . . . . . . . . . . . . . . . . . . . 407

1.6 Detaching seat cover from padding (backrest) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 409

1.7 Overview of seat heating element . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 410

1.8 Removing and installing seat heating element . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 411

1.9 Overview of backrest heating element . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 412

1.10 Removing and installing backrest heating element . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 412

1.11 Exploded view of cover and padding for head restraint . . . . . . . . . . . . . . . . . . . . . . . . . . . . 413

1.12 Removing and installing cover and padding for head restraint with slide-in locking

mechanism . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 414

2 Covers and padding on front bucket seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 416

2.1 Removing and installing seat pan cover and padding . . . . . . . . . . . . . . . . . . . . . . . . . . . . 416

2.2 Removing and installing backrest cover and padding . . . . . . . . . . . . . . . . . . . . . . . . . . . . 417

2.3 Removing and installing seat heating element . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 419

viii Contents

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Audi TT 2007 ➤

General body repairs, interior - Edition 07.2010

2.4 Removing and installing backrest heating element . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 420

3 Covers and padding on rear seats (Coupé only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 421

3.1 Exploded view of cover and padding for seat bench . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 421

3.2 Removing and installing cover and padding for seat bench . . . . . . . . . . . . . . . . . . . . . . . . 421

3.3 Detaching seat cover from padding (seat bench) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 422

3.4 Exploded view of backrest cover and padding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 423

3.5 Removing and installing backrest cover and padding . . . . . . . . . . . . . . . . . . . . . . . . . . . . 424

3.6 Detaching seat cover from padding (backrest) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 425

Contents ix

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Audi TT 2007 ➤ General body repairs, interior - Edition 07.2010

x Contents

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability with respect to the correctness of information in this document. Copyright by AUDI AG.

General body repairs, interior - Edition 07.2010

00 – Technical data

1 Routing and attaching pipes/hoses

and wiring

Make sketches or take photographs when unfastening or remov‐ ing and installing hydraulic and pneumatic pipes or wires. This ensures re-installation at the original location.

Audi TT 2007 ➤

1. Routing and attaching pipes/hoses and wiring 1

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability with respect to the correctness of information in this document. Copyright by AUDI AG.

Audi TT 2007 ➤ General body repairs, interior - Edition 07.2010

2 Contact corrosion

Contact corrosion can occur if unsuitable fasteners (bolts, nuts, washers etc.) are used on the vehicle.

For this reason, only fasteners with a special surface coating are fitted.

In addition, all rubber and plastic parts and all adhesives are made of non-conductive materials.

Should you have any doubts whether certain parts can be reused, use new parts ⇒ Electronic parts catalogue .

Important:

♦ We recommend using genuine replacement parts only, as

these have been checked and are compatible with aluminium.

♦ We recommend using Audi Genuine Accessories.

♦ Damage caused by contact corrosion is not covered by the

warranty.

2 Rep. gr.00 - Technical data

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General body repairs, interior - Edition 07.2010

68 – Interior equipment

1 Shelves / trim panels

1.1 Exploded view of shelves / trim panels

1 - Centre console

❑ Exploded view

⇒ page 14

❑ Removing and installing

⇒ page 22

2 - Dash panel trim (driver side)

❑ Vehicles without knee

airbag:

♦ Exploded view

⇒ page 4

♦ Removing and installing

dash panel trim (driver side) ⇒ page 5

❑ Vehicles with knee air‐

bag:

♦ Exploded view

⇒ page 102

♦ Removing and installing

dash panel trim (driver side) ⇒ page 104

3 - Trim for steering column switch

❑ Exploded view

⇒ page 6

❑ Removing and installing

upper trim for steering column switch

⇒ page 7

❑ Removing and installing

trim (bottom) for steer‐ ing column switch

⇒ page 8

4 - Dash panel

Audi TT 2007 ➤

WARNING

Observe safety regula‐ tions for working on air‐ bags ⇒ page 42 .

❑ Exploded view ⇒ page 144 ❑ Removing and installing ⇒ page 149

5 - Central tube

❑ Exploded view ⇒ page 153 ❑ Removing and installing ⇒ page 156

1. Shelves / trim panels 3

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Audi TT 2007 ➤ General body repairs, interior - Edition 07.2010

6 - Glove box

❑ Vehicles without knee airbag:

♦ Exploded view ⇒ page 9

♦ Removing and installing ⇒ page 12

❑ Vehicles with knee airbag:

♦ Exploded view ⇒ page 102

♦ Removing and installing ⇒ page 108

7 - Padding for centre armrest

❑ Exploded view ⇒ page 27 ❑ Removing and installing ⇒ page 27 ❑ Removing and installing holder for padding ⇒ page 28

8 - Storage net

❑ Depending on equipment version ❑ Attached to floor covering on passenger side in area of centre console ❑ Removing and installing ⇒ page 12

1.2 Exploded view of dash panel trim (driver side)

1 - Dash panel end trim

❑ Removing and installing

⇒ page 146

2 - Bolt

❑ 2.5 Nm

3 - 16-pin connector -T16-

❑ Diagnostic connector

4 - Spring clip

❑ For dash panel trim (bot‐

tom) on driver side

5 - Spring clip

❑ For upper dash panel

trim (driver side)

6 - Dash panel trim (driver side)

❑ Removing and installing

⇒ page 5

7 - Light switch

❑ Removing and installing

⇒ Rep. gr. 96

8 - Bolt

❑ 2.5 Nm

4 Rep. gr.68 - Interior equipment

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability with respect to the correctness of information in this document. Copyright by AUDI AG.

General body repairs, interior - Edition 07.2010

1.3 Removing and installing dash panel trim (driver side)

Removing

– Remove light switch ⇒ Rep. gr. 96 .

– Remove dash panel end trim ⇒ page 146 .

– Remove bolts -1- and -2-.

– Apply small screwdriver to top edge of dash panel trim (driver

side) -3- and unclip it from dash panel -arrow-.

– Unclip 16-pin connector -T16- .

– Detach dash panel trim (driver side).

Installing

Install in reverse order of removal.

Tightening torque ⇒ page 4

Audi TT 2007 ➤

1. Shelves / trim panels 5

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Audi TT 2007 ➤ General body repairs, interior - Edition 07.2010

1.4 Exploded view of trim for steering column switch

1 - Trim cover

❑ For instrument cluster ❑ Removing and installing

⇒ page 6

2 - Trim (top) for steering col‐ umn switch

❑ Removing and installing

⇒ page 7

3 - Bolts

❑ 2.5 Nm

4 - Lower trim for steering col‐ umn switch

❑ Removing and installing

⇒ page 8

5 - Steering column adjust‐ ment handle

6 - Bolts

❑ 3 Nm

7 - Bolt

❑ 2.5 Nm

1.5 Removing and installing trim cover for instrument cluster

Removing

– Move steering wheel down and towards rear as far as it will

go, using full range of steering column adjuster.

– Pull off trim cover -1- in direction of -arrow-.

6 Rep. gr.68 - Interior equipment

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General body repairs, interior - Edition 07.2010

– Use a small flat screwdriver to carefully prise trim cover -2- off

upper trim -3- for steering column switch.

Note

Disregard items -1- and -4-.

Installing

Installation is carried out in the reverse order; note the following:

– Make sure that trim cover engages audibly in trim (top).

1.6 Removing and installing upper trim for steering column switch

Audi TT 2007 ➤

Removing

– Move steering wheel down and towards rear as far as it will

go, using full range of steering column adjuster.

– Detach trim cover -2- in direction of -arrow A-.

– Lift off upper trim -1- for steering column switch -arrows B-.

– Disengage upper trim for steering column switch at lower trim.

Installing

Installation is carried out in the reverse order; note the following:

– First engage upper trim in lower trim -arrow 1-.

– Make sure that lug of lower trim engages in recess at retaining

tab of upper trim -arrow 2-.

Note

Shown in the illustration with the steering column switch trim re‐ moved.

– Engage trim cover at instrument cluster.

1. Shelves / trim panels 7

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Audi TT 2007 ➤ General body repairs, interior - Edition 07.2010

1.7 Removing and installing trim (bottom) for steering column switch

Removing

– Remove upper trim for steering column switch ⇒ page 7 .

– Unscrew bolts -5- and remove handle -4- for adjusting steering

column.

– Starting from straight ahead position, turn steering wheel 90°

and remove bolts -1- and -2-.

Note

If bolts -1- and -2- are not accessible, steering wheel must be removed before performing remaining work steps ⇒ Rep. gr. 48 .

– Remove bolt -6- and detach lower trim -3- for steering column

switch.

Installing

Install in reverse order of removal.

Tightening torque ⇒ page 6

8 Rep. gr.68 - Interior equipment

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1.8 Exploded view of glove box

1 - Glove box light

❑ Removing and installing

⇒ Rep. gr. 96

2 - Hinge pin

❑ For securing glove box

lid

3 - Glove box

❑ Removing and installing

⇒ page 12

4 - Wiring harness for glove box

5 - Cushioning element

❑ With glove box light

switch -E26-

❑ Removing and installing

⇒ page 12

6 - Hinge pin

7 - Mounting for striker pin

8 - Key-operated switch to de‐ activate airbag on front pas‐ senger side -E224-

Audi TT 2007 ➤

General body repairs, interior - Edition 07.2010

WARNING

Observe safety regula‐ tions for working on air‐ bags ⇒ page 42 .

❑ Removing and installing

⇒ page 97

9 - Bolt

❑ 2.5 Nm

10 - Glove box lid

❑ Manually releasing the glove box lid ⇒ page 9 ❑ Cannot be renewed as a separate unit

11 - Trim panel for glove box lid

❑ Removing and installing ⇒ page 10

12 - Glove box opening mechanism with lock

❑ Manually releasing the glove box lid ⇒ page 9 ❑ Removing and installing ⇒ page 11

13 - Clip

14 - Bolt

❑ 1.6 Nm

1.9 Manually releasing the glove box lid

Special tools and workshop equipment required

1. Shelves / trim panels 9

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Audi TT 2007 ➤ General body repairs, interior - Edition 07.2010

♦ Allen key, long reach -T10058-

Procedure

– Remove dash panel end trim ⇒ page 146 .

– Insert Allen key -T10058- (or similar suitable tool with a length

of 115 mm) through opening -arrow- in dash panel (passenger side).

– Open glove box lid -1- by pressing down locking pin -2-.

1.10 Removing and installing trim panel for glove box lid

Special tools and workshop equipment required

♦ Removal wedge -3409-

Removing

– Open glove box.

– Use removal wedge -3409- to carefully unclip trim panel -1-

from glove box lid -2- -arrows-.

Installing

Installation is carried out in the reverse order; note the following:

– Make sure trim panel engages audibly.

10 Rep. gr.68 - Interior equipment

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General body repairs, interior - Edition 07.2010

1.11 Removing and installing glove box opening mechanism with lock

Removing

– Remove trim panel for glove box lid ⇒ page 10 .

– Remove bolt -1-.

– Use a screwdriver to press down catch -2- on side of glove box

opening mechanism.

– Take out glove box opening mechanism -3- with lock -arrow-.

Note

The lock cylinder can only be removed with the key inserted.

Audi TT 2007 ➤

– Use a drift punch to knock out pin -1-.

– Detach cap -2-.

– Use screwdriver to carefully prise retainers -1- and -3- in di‐

rection of -arrow- and at the same time pull lock cylinder -2out of glove box opening mechanism.

Installing

Installation is carried out in the reverse order; note the following:

– With key inserted, press in lock cylinder until it engages audi‐

bly in all retainers.

Tightening torque ⇒ page 9

1. Shelves / trim panels 11

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Audi TT 2007 ➤ General body repairs, interior - Edition 07.2010

1.12 Removing and installing glove box

Removing

WARNING

On vehicles with key-operated switch to deactivate airbag on front passenger side -E224- , observe safety regulations for working on airbags ⇒ page 42 .

– Open glove box lid.

Note

If the glove box lid cannot be opened in the normal way, you can release it manually ⇒ page 9 .

– If fitted, remove CD changer ⇒ Rep. gr. 91 .

– Unscrew bolts -arrows- and detach glove box.

All vehicles:

– Unplug electrical connector at main connector.

Installing

WARNING

On vehicles with key-operated switch to deactivate airbag on front passenger side -E224- , observe safety regulations for working on airbags ⇒ page 42 .

Installation is carried out in the reverse order; note the following:

– Make sure connectors engage audibly.

Tightening torque ⇒ page 9

1.13 Removing and installing cushioning el‐ ement for glove box lid

Removing

– Remove dash panel end trim (passenger side) ⇒ page 146 .

– If fitted, remove aerial amplifier for mobile telephone -R86- ⇒

Rep. gr. 91 .

– Unplug electrical connector -1-.

– Pull out hinge pin -3-.

– Release cushioning element -2- in anti-clockwise direction

-arrow- and detach.

Installing

Install in reverse order of removal.

1.14 Removing and installing storage net

Removing

– Remove front passenger's seat:

12 Rep. gr.68 - Interior equipment

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General body repairs, interior - Edition 07.2010

♦ Removing and installing front seats (with manual adjustment)

⇒ page 243

♦ Removing and installing front seats (with electric adjustment)

⇒ page 274

– Remove centre console side trim (passenger side)

⇒ page 17 .

– Disengage floor covering from bracket at tunnel.

– Fold over floor covering -2- in area of front passenger's foot‐

well.

– Bend back clips -3- securing storage net -1- (on back of floor

covering -2-) by 90° (in opposite direction of -arrows-).

– Detach net from floor covering.

Installing

Note

When installing a new floor covering, make perforations for the storage net where they were made in the old floor covering.

Audi TT 2007 ➤

– Insert net -1- into perforations in floor covering -2-.

– Bend back clips -3- on back of floor covering in direction of

-arrows- until they touch the covering. To do so, hold the net from the front.

Perform remaining installation in reverse order of removal.

1. Shelves / trim panels 13

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Audi TT 2007 ➤ General body repairs, interior - Edition 07.2010

2 Centre console

2.1 Exploded view of centre console

Part 1 (front)

1 - Cap

2 - Bolt

❑ 2.5 Nm

3 - Centre console side trim

❑ Removing and installing

⇒ page 17

4 - Centre console (front)

❑ Removing and installing

⇒ page 22

5 - Bracket for centre console

❑ With adjuster

6 - Bolt

❑ 3.5 Nm

7 - Bolt

❑ 3.5 Nm

8 - Ashtray

❑ Removing and installing

⇒ page 21

9 - Climatronic control unit J255-

❑ Removing and installing

⇒ Rep. gr. 87

10 - Bolt

❑ 2.5 Nm

11 - Selector lever/gear lever

❑ Removing and installing

selector lever/gear lever ⇒ Rep. gr. 34

12 - Button module

❑ In centre console trim ❑ Removing and installing ⇒ page 20

13 - Centre console trim

❑ Different versions ❑ Removing and installing:

Vehicles with manual gearbox ⇒ page 17

Vehicles with dual clutch gearbox ⇒ page 18

❑ Installation position of convertible roof actuation button -E137- and cabrio windbreak switch -E278-

⇒ page 20

14 - Bolt

❑ 1 Nm

14 Rep. gr.68 - Interior equipment

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15 - Trim frame

❑ Different versions ❑ Removing and installing:

Vehicles with manual gearbox ⇒ page 19

Vehicles with dual clutch gearbox ⇒ page 20

16 - Bolt

❑ 1 Nm

17 - Bolt

❑ 2.5 Nm

18 - Grip moulding for handbrake lever

❑ Removing and installing ⇒ page 21

19 - Bolt

❑ 3.5 Nm

20 - Bracket for side trim

❑ Removing and installing ⇒ page 17

21 - Nut

❑ 3.5 Nm

Audi TT 2007 ➤

General body repairs, interior - Edition 07.2010

Part 2 (rear)

2. Centre console 15

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Audi TT 2007 ➤ General body repairs, interior - Edition 07.2010

1 - Bolt

❑ 3.5 Nm

2 - Retainer

3 - Bracket for centre console

❑ Removing and installing

⇒ page 24

4 - Nut

❑ 8 Nm

5 - Centre console (rear)

❑ Different versions ❑ Removing and installing

⇒ page 23

6 - Lining mat

7 - Telephone bracket -R126- / storage compartment

❑ Removing and installing

telephone bracket R126- ⇒ Rep. gr. 91

8 - Bolt

❑ 2.5 Nm ❑ For Roadster only

9 - Nut

❑ 3.5 Nm

10 - Bracket for centre console

❑ For Roadster only

11 - Bolt

❑ 3.5 Nm ❑ For Roadster only

Tightening torque for dummy cover for AUX socket

1 - Dummy cover for AUX socket

2 - Bolts, 1.5 Nm

16 Rep. gr.68 - Interior equipment

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General body repairs, interior - Edition 07.2010

2.2 Removing and installing side trim for centre console

Removing

Note

Removal and installation are identical on the left and right.

– Use a screwdriver to prise off cap -1- and unscrew bolt.

– Reach beneath the side trim -2- and carefully detach it from

the centre console.

Installing

Installation is carried out in the reverse order; note the following:

– Make sure side trim engages audibly.

Tightening torque ⇒ page 14

2.3 Removing and installing bracket for side trim

Audi TT 2007 ➤

Removing

Note

Removal and installation are identical on the left and right.

– Remove centre console side trim ⇒ page 17 .

– Fold back floor covering in area of bracket -1-.

– Unscrew nuts -2- and detach bracket from centre tunnel.

Installing

Install in reverse order of removal.

Tightening torque ⇒ page 14

2.4 Removing and installing centre console trim - vehicles with manual gearbox

Special tools and workshop equipment required

♦ Removal wedge -3409-

2. Centre console 17

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Audi TT 2007 ➤ General body repairs, interior - Edition 07.2010

Removing

– Use removal wedge -3409- to prise centre console trim out of

centre console -arrows-.

– Unplug electrical connectors.

– Fold centre console trim together with gear lever boot upwards

over gear knob.

– Unfasten hose clamp -1- and lift off gear knob -2- together with

centre console trim -3-.

Installing

Installation is carried out in the reverse order; note the following:

– Make sure trim engages audibly in centre console.

2.5 Removing and installing centre console trim - vehicles with dual clutch gearbox

Special tools and workshop equipment required

♦ Removal wedge -3409-

18 Rep. gr.68 - Interior equipment

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General body repairs, interior - Edition 07.2010

Removing

– Use a small screwdriver to carefully prise out the selector lever

boot at the side -arrow 1-.

– Lift off the selector lever boot on both sides -arrows 2 and 3-.

– Use removal wedge -3409- to prise centre console trim out of

centre console -arrows-.

– Unplug electrical connectors.

Installing

Installation is carried out in the reverse order; note the following:

– Make sure trim engages audibly in centre console.

Audi TT 2007 ➤

2.6 Removing and installing trim frame - ve‐ hicles with manual gearbox

Removing

– Remove centre console trim ⇒ page 17 .

– Release gear lever boot -arrows- and detach it from trim frame

together with gear knob -5-.

– Remove bolts -1, 3, 4, 6- and detach trim frame -2-.

Installing

Install in reverse order of removal.

Tightening torque ⇒ page 14

2. Centre console 19

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Audi TT 2007 ➤ General body repairs, interior - Edition 07.2010

2.7 Removing and installing trim frame - ve‐ hicles with dual clutch gearbox

Removing

– Remove centre console trim ⇒ page 18 .

– Unscrew bolts -arrows- and detach trim frame -1- with selector

lever position display -Y26- .

Installing

Install in reverse order of removal.

Tightening torque ⇒ page 14

2.8 Removing and installing button module in centre console trim

Removing

Note

The illustration shows a vehicle with dual clutch gearbox.

– Remove centre console trim: vehicles with manual gearbox

⇒ page 17 , vehicles with dual clutch gearbox ⇒ page 18 .

– Remove bolts -arrows- and detach button module -1-.

Installing

Install in reverse order of removal.

Tightening torque ⇒ page 14

2.9 Installation position of convertible roof actuation button -E137- and cabrio windbreak switch -E278-

1 - Convertible roof actuation button -E137-

2 - Cabrio windbreak switch -E278-

3 - Centre console trim

Note

Removing and installing convertible roof actuation button -E137and cabrio windbreak switch -E278- ⇒ Electrical System; Rep. gr. 96

20 Rep. gr.68 - Interior equipment

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General body repairs, interior - Edition 07.2010

2.10 Removing and installing grip moulding for handbrake lever

Removing

– Remove centre console trim: vehicles with manual gearbox

⇒ page 17 , vehicles with dual clutch gearbox ⇒ page 18 .

– Apply handbrake.

– Remove bolts -1- and -2-.

– Lift the grip moulding for the handbrake lever -3- at the front

-arrow- and remove it to the front out of the centre console.

Installing

Installation is carried out in the reverse order; note the following:

– Make sure the grip moulding for the handbrake lever is prop‐

erly inserted in the spring clip.

Tightening torque ⇒ page 14

2.11 Removing and installing ashtray

Audi TT 2007 ➤

Removing

– Remove Climatronic control unit -J255- ⇒ Rep. gr. 87 .

– Remove centre console trim: vehicles with manual gearbox

⇒ page 17 , vehicles with dual clutch gearbox ⇒ page 18 .

– Unscrew bolts -arrows- and carefully take out ashtray -1- to‐

wards rear.

– Unplug cigarette lighter connector at ashtray.

Installing

Install in reverse order of removal.

Tightening torque ⇒ page 14

2.12 Removing and installing ashtray lid

Removing

– Remove ashtray ⇒ page 21 .

– Press down retaining tabs -1- and -3- (left and right) and slide

lid -2- off ashtray -arrow-.

Installing

Install in reverse order of removal.

2. Centre console 21

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Audi TT 2007 ➤ General body repairs, interior - Edition 07.2010

2.13 Removing and installing trim for ashtray lid

Removing

– Remove ashtray ⇒ page 21 .

– Use a screwdriver to carefully prise trim -1- off ashtray lid

-arrows- (left and right).

Installing

Installation is carried out in the reverse order; note the following:

– Make sure trim for ashtray lid engages audibly.

2.14 Removing and installing centre console (front)

Removing

– Remove centre console side trim panels ⇒ page 17 .

– Remove centre console trim: vehicles with manual gearbox

⇒ page 17 , vehicles with dual clutch gearbox ⇒ page 18 .

– Remove grip moulding for handbrake lever ⇒ page 21 .

– Remove ashtray ⇒ page 21 .

– Unscrew bolts -1 ... 10-.

Note

The illustration shows a vehicle with dual clutch gearbox.

– Apply handbrake as firmly as possible.

– Pull the rear centre console upwards -arrow A- and guide it

past the handbrake lever. To do so, slide the centre console forwards as far as possible -arrow B-.

– Remove centre console to the rear over selector lever or gear

lever.

22 Rep. gr.68 - Interior equipment

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General body repairs, interior - Edition 07.2010

Installing

Installation is carried out in the reverse order; note the following:

– Check freedom of movement of adjuster nut -1- of adjuster

-arrows-.

– Screw in adjuster nuts as far as they will go, but do not tighten.

Note

When tightening the bolts, the nuts of the adjusters automatically turn towards the mounting points of the centre console to lock it in place.

Tightening torque ⇒ page 14

2.15 Removing and installing centre console (rear)

Special tools and workshop equipment required

♦ Removal lever -80 - 200-

Audi TT 2007 ➤

♦ Hook -3438-

Removing

– Remove centre console (front) ⇒ page 22 .

– If fitted, remove holder for padding ⇒ page 28 .

– If fitted, remove telephone bracket -R126- ⇒ Rep. gr. 91 .

– Take out lining mat.

– Pull the storage compartment -1- with the hook -3438- out of

the centre console -arrows-.

– Unplug electrical connector from AUX socket.

2. Centre console 23

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Audi TT 2007 ➤ General body repairs, interior - Edition 07.2010

– Press clip -arrow- off centre console using removal lever -80 -

200- .

Note

Use silicone-free lubricant spray to facilitate removal of the clip if necessary.

– Unscrew nuts -1- and -3-.

– Pull centre console -2- upwards and guide it out over hand‐

brake lever.

Installing

Install in reverse order of removal.

Tightening torque ⇒ page 15

2.16 Removing and installing brackets for centre console

Special tools and workshop equipment required

♦ Removal lever -80 - 200-

Removing

– Remove centre console (rear) ⇒ page 22 .

– Press clips -arrows- off bracket using removal lever -80 - 200- .

Note

Use silicone-free lubricant spray to facilitate removal of the clips if necessary.

– Unscrew nuts -1- and -2- and detach bracket.

Installing

Install in reverse order of removal.

Tightening torque ⇒ page 15

24 Rep. gr.68 - Interior equipment

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General body repairs, interior - Edition 07.2010

3 Trim for handbrake grip

3.1 Exploded view of trim for handbrake grip

1 - Trim for handbrake grip

❑ For vehicles with no

centre armrest

❑ Removing and installing

⇒ page 26

2 - Stud

❑ Detach after removing

trim for handbrake grip

3 - Handbrake trim (left-side)

❑ For vehicles with centre

armrest

❑ Removing and installing

⇒ page 26

4 - Trim for handbrake grip

❑ For vehicles with centre

armrest

❑ Removing and installing

⇒ page 26

5 - Pushbutton

❑ Detach after removing

trim for handbrake grip

6 - Cap

❑ For vehicles with centre

armrest

7 - Bolt

❑ For vehicles with centre

armrest

❑ 2.5 Nm ❑ 3x

8 - Handbrake trim (right-side)

❑ For vehicles with centre

armrest

❑ Removing and installing ⇒ page 26

Audi TT 2007 ➤

3. Trim for handbrake grip 25

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Audi TT 2007 ➤ General body repairs, interior - Edition 07.2010

3.2 Removing and installing trim for hand‐ brake grip - vehicles with no centre arm‐ rest

Removing

– Apply handbrake as firmly as possible.

– Release retaining clip through recess at bottom of handbrake

grip using a small screwdriver -2-.

– Detach trim for handbrake grip -1- to the front -arrow-.

Installing

Installation is carried out in the reverse order; note the following:

– Make sure trim for handbrake grip engages audibly.

3.3 Removing and installing trim for hand‐ brake grip - vehicles with centre armrest

Removing

– Remove holder for padding ⇒ page 28 .

– Apply handbrake as firmly as possible.

– Use a small screwdriver -2- to pierce seam of handbrake grip

at position shown in illustration.

– Release retaining clip beneath it and detach trim for hand‐

brake grip -1- to the front -arrow-.

Installing

Installation is carried out in the reverse order; note the following:

– Make sure trim for handbrake grip engages audibly.

3.4 Removing and installing handbrake trim panels (left and right) - vehicles with centre armrest

Removing

– Remove centre console (rear) ⇒ page 23 .

– Remove trim for handbrake grip ⇒ page 26 .

– Unscrew bolts -4-.

– Use a screwdriver to prise off cap -1- and unscrew bolt.

– Detach trim panels -2 and 3- for handbrake lever.

Installing

Installation is carried out in the reverse order, note the following.

Tightening torque ⇒ page 25

26 Rep. gr.68 - Interior equipment

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General body repairs, interior - Edition 07.2010

4 Centre armrest

4.1 Exploded view of centre armrest

1 - Trim for handbrake lever

2 - Retaining spring

3 - Padding for centre armrest

❑ Removing and installing

⇒ page 27

❑ Cannot be dismantled

4 - Bolt

❑ 2.5 Nm ❑ 3x

5 - Holder for padding

❑ Removing and installing

⇒ page 28

Audi TT 2007 ➤

4.2 Removing and installing centre armrest padding

Removing

– Lift the centre armrest padding -1- out of the spring clips

-arrows-.

Installing

Installation is carried out in the reverse order; note the following:

– Make sure centre armrest padding engages audibly in spring

clips.

4. Centre armrest 27

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Audi TT 2007 ➤ General body repairs, interior - Edition 07.2010

4.3 Removing and installing holder for pad‐ ding

Removing

– Remove centre armrest padding ⇒ page 27 .

– Remove bolts -arrows- and detach holder -1-.

Installing

Install in reverse order of removal.

Tightening torque ⇒ page 27

28 Rep. gr.68 - Interior equipment

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General body repairs, interior - Edition 07.2010

5 Interior mirror

5.1 Safety regulations for interior mirror

WARNING

♦ The interior mirror glass consists of several layers and

contains an electrolyte which gives the mirror its proper‐ ties. Beware of liquid electrolyte escaping from a broken mirror.

♦ Liquid electrolyte can cause irritation to skin, eyes and

respiratory organs.

♦ Should liquid electrolyte make contact with your skin or

eyes rinse it off immediately with lots of water. If the irri‐ tation does not go away visit a doctor without delay.

Caution

Audi TT 2007 ➤

If liquid electrolyte escapes from a broken mirror glass it will damage all plastic surfaces with which it comes into contact. Make sure you clean away any leaked electrolyte immediately using clean water and a sponge.

5.2 General notes on interior mirror

There are different types of interior mirrors with different functions:

♦ Manual anti-dazzle interior mirror

♦ Automatic anti-dazzle interior mirror -Y7-

♦ Interior mirror with digital compass

♦ Interior mirror with rain and light sensor -G397-

♦ Interior mirror with humidity sender -G355-

5. Interior mirror 29

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Audi TT 2007 ➤ General body repairs, interior - Edition 07.2010

5.3 Switching automatic anti-dazzle func‐ tion on and off

Switching automatic anti-dazzle function on and off:

– Press button -1- briefly (up to 3 seconds) to switch automatic

anti-dazzle function on or off.

Automatic anti-dazzle function „On“: Indicator lamp -2- lights up.

Automatic anti-dazzle function „Off“: Indicator lamp -2- goes out.

♦ The automatic anti-dazzle function is activated every time the

ignition is switched on.

♦ If you deactivate the automatic anti-dazzle function for the in‐

terior mirror this will also deactivate the anti-dazzle function for the exterior mirrors.

♦ When in anti-dazzle mode, the mirror will become lighter as

soon as the interior light is switched on or reverse gear is en‐ gaged.

♦ Please note that the automatic anti-dazzle function for the in‐

terior mirror can only function correctly if the rear sun blind is retracted.

5.4 Switching compass display on and off

Switching compass display on and off:

– Press button -2- for 3 to 6 seconds. The compass display will

be switched „on“ or „off“.

Compass display -1- „on“ - direction is indicated.

Compass display -1- „off“ - direction is not indicated.

5.5 Setting magnetic deflection zone

It is necessary to set the magnetic deflection zone if:

♦ A new automatic anti-dazzle interior mirror -Y7- is installed.

♦ You should set a different magnetic deflection zone if you have

reached a distance more than two zones away from the preset reference zone after travelling long distances.

30 Rep. gr.68 - Interior equipment

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General body repairs, interior - Edition 07.2010

Setting magnetic deflection zone:

– Press and hold button -2- for 6 to 9 seconds until compass

display shows „Z“ and a number for the magnetic deflection zone.

– Press button -2- repeatedly until the number of the desired

magnetic deflection zone appears.

– Refer to the maps to select the applicable deflection zone:

♦ Europe ⇒ page 33

♦ North America ⇒ page 33

♦ South America ⇒ page 34

♦ Asia ⇒ page 35

♦ Africa ⇒ page 36

♦ Australia ⇒ page 37

After a few seconds the compass display will switch from the magnetic deflection zone to the current direction/point of the com‐ pass.

– Make sure you switch the anti-dazzle function of the interior

mirror back on ⇒ page 30 after setting the magnetic deflection zone.

Audi TT 2007 ➤

5.6 Calibrating digital compass

It is necessary to calibrate the digital compass if:

♦ The directions the digital compass shows are inaccurate.

♦ The compass display shows a „C“ instead of a point of the

compass, or if the display remains blank.

♦ A new automatic anti-dazzle interior mirror -Y7- is installed.

In exceptional circumstances, the digital compass may also have to be calibrated, for example if:

♦ The vehicle battery is reconnected after being disconnected

for a long period,

♦ A new audio system or audio system components has/have

been fitted

Calibrating digital compass:

– Switch on ignition.

Compass display -1- should show „C“.

– If display does not show „C“, press and hold button -2- for 9 to

12 seconds until letter „C“ appears in compass display -1-.

– Drive the vehicle in a circle two or three times at a speed of

approx. 5 mph (10 km/h) until a direction is indicated on the compass display -1-.

– Make sure you switch the anti-dazzle function of the interior

mirror back on ⇒ page 30 after completing the calibration process.

5. Interior mirror 31

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Audi TT 2007 ➤ General body repairs, interior - Edition 07.2010

5.7 Adjusting automatic anti-dazzle interior mirror -Y7- for right-hand drive or lefthand drive vehicles

It is necessary to adjust the mirror to right-hand or left-hand drive if:

♦ A new automatic anti-dazzle interior mirror -Y7- is installed.

Note

♦

On recently manufactured automatic anti-dazzle interior mir‐ rors -Y7- , the sensor for the magnetic deflection zone is no longer fitted in the mirror base, but in the mirror housing. Only these mirrors can and MUST be adjusted to right-hand or lefthand drive.

♦

Recently manufactured automatic anti-dazzle interior mirrors

-Y7- can be identified by pressing and holding button -2- for longer than 12 seconds; „L“ or „A“ will appear on the display of these mirrors.

– Press and hold button -2- for 12 to 15 seconds until display

shows „L“ (for left-hand drive vehicles) or „A“ (for right-hand drive vehicles).

– Press button -2- again briefly to change the setting for right-

hand or left-hand drive.

– After a short while, the display will automatically show „C“ (for

calibration). The digital compass must now be calibrated

⇒ page 31 .

– Make sure you switch the anti-dazzle function of the interior

mirror back on ⇒ page 30 after adjusting the mirror for righthand or left-hand drive.

32 Rep. gr.68 - Interior equipment

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General body repairs, interior - Edition 07.2010

5.8 Selecting the applicable deflection zone from the map

Europe

Audi TT 2007 ➤

North America

5. Interior mirror 33

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Audi TT 2007 ➤ General body repairs, interior - Edition 07.2010

South America

34 Rep. gr.68 - Interior equipment

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Audi TT 2007 ➤

General body repairs, interior - Edition 07.2010

Asia

5. Interior mirror 35

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Audi TT 2007 ➤ General body repairs, interior - Edition 07.2010

Africa

36 Rep. gr.68 - Interior equipment

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Audi TT 2007 ➤

General body repairs, interior - Edition 07.2010

Australia

5. Interior mirror 37

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Audi TT 2007 ➤ General body repairs, interior - Edition 07.2010

5.9 Checking operation of automatic antidazzle interior mirror

The test can only be carried out if the following conditions are met:

• Interior mirror is fitted.

• Ignition is switched on.

• Reverse gear is not engaged.

• Automatic anti-dazzle function is switched on, indicator lamp

must be lit.

38 Rep. gr.68 - Interior equipment

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General body repairs, interior - Edition 07.2010

Test sequence

– Cover or mask photosensor -arrow- on housing side -1-.

– Aim beam of a torch (or similar) at photosensor -arrow- on

mirror side -2-.

Interior mirror should darken quickly.

5.10 Removing and installing interior mirror

Audi TT 2007 ➤

When removing and installing the mirror observe the safety reg‐ ulations ⇒ page 29 and the general notes ⇒ page 29 .

Note

The following procedure for installing and removing refers to the automatic anti-dazzle interior mirror -Y7- . The other types of in‐ terior mirrors are removed and installed in a similar manner.

Removing

– Unclip cover -8- from cable guide -6-.

– Unplug connector -5- from rain and light sensor -G397- .

– Unclip wiring from brackets -3- and -4-.

Vehicles with automatic anti-dazzle interior mirror -Y7-

– Unplug connector -2-.

1 - Interior mirror

7 - Interior light (roof module)

9 - Compass display

10 - Photosensor for automatic anti-dazzle interior mirror

11 - Switch with two functions:

♦ To switch automatic anti-dazzle function on and off

♦ To activate and calibrate digital compass

5. Interior mirror 39

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Audi TT 2007 ➤ General body repairs, interior - Edition 07.2010

All vehicles (continued)

– Detach cable guide -1- from retaining plate -3-.

– Turn interior mirror -2- approx. 20° turn in anti-clockwise di‐

rection.

– Detach interior mirror -2- from retaining plate -3-.

Note

Under no circumstances detach interior mirror from mirror base.

Installing

– Install in reverse order of removal.

5.11 Removing and installing rain and light sensor -G397-

Removing

– Remove interior mirror ⇒ page 39 .

– Unclip retaining spring -3- from retaining plate -1-.

– Detach rain and light sensor -G397- -2- from retaining plate

-1-.

40 Rep. gr.68 - Interior equipment

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General body repairs, interior - Edition 07.2010

Installing

Install in reverse order of removal. Observe the following:

– Make sure that retaining spring -3- engages correctly on re‐

taining plate -1-.

Audi TT 2007 ➤

5. Interior mirror 41

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Audi TT 2007 ➤ General body repairs, interior - Edition 07.2010

69 – Passenger protection

1 Safety regulations and test methods

for pyrotechnic, electrical and me‐ chanical components of the restraint system

1.1 General safety regulations

Note

Pyrotechnic components are:

♦ Airbag units

♦ Belt tensioners

♦ Belt force limiters (depending on equipment version)

♦ Battery isolation elements (depending on equipment version)

General notes

♦ Testing, removing, installing and repair work may only be per‐

formed by qualified personnel.

♦ There are no specified intervals for renewing airbag units.

♦ Never perform tests with a test lamp, voltmeter or ohmmeter.

♦ Only check pyrotechnic components when they are installed

in the vehicle and always use suitable vehicle diagnostic, test‐ ing and information systems which have been approved by the manufacturer.

♦ When working on pyrotechnic components and on the airbag

control unit -J234- always disconnect the battery earth strap with the ignition SWITCHED ON. Subsequently cover nega‐ tive terminal.

♦ After disconnecting the battery, you must wait for 10 seconds.

♦ The battery must be connected with the ignition SWITCHED

ON. Make sure there is no one in the vehicle. Exception: Ve‐ hicles on which the battery is in the passenger compartment; in this case, please keep away from the operating range of the seat belts and airbags.

♦ Observe measures to be taken after connecting the battery ⇒

Electrical system; Rep. gr. 27 .

♦ Before handling pyrotechnic components of the restraint sys‐

tem (e.g. unplugging the electrical connector) the mechanic must discharge static electricity, for example by briefly touch‐ ing grounded metal components such as the door striker plate.

♦ Always wash hands after handling pyrotechnic components of

the restraint system which have been triggered.

♦ Pyrotechnic components must not be opened or repaired; al‐

ways use new parts (risk of injury).

♦ Pyrotechnic components which have been dropped onto a

hard surface or which show signs of damage must not be used.

42 Rep. gr.69 - Passenger protection

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General body repairs, interior - Edition 07.2010

♦ Pyrotechnic components should be installed immediately after

removing them from their packaging.

♦ If the work is interrupted, the pyrotechnic component should

again be placed in its packaging.

♦ The pyrotechnic component must never be left unattended.

♦ When connecting pyrotechnic components of the restraint

system, there should be no-one in the vehicle other than the person performing the work.

♦ Pyrotechnic components must never be treated with grease,

cleaning agents or similar.

♦ Always renew airbag unit if fabric is contaminated by oil,

grease, paint, solvent or similar.

♦ Pyrotechnic components must not be exposed to tempera‐

tures higher than 100 °C even for brief periods of time.

Special notes for driver's and front passenger's airbags

♦ Following removal, driver's and front passenger's airbag units

must be stored with the cushioned side facing upwards.

Always keep to the following sequence when renewing airbag units:

1 - Remove old airbag unit and set it down with cushioned side

facing upwards.

2 - Take new airbag unit out of packaging and set it down with

cushioned side facing upwards.

3 - Immediately place old airbag unit in packaging.

4 - Install new airbag unit in vehicle.

Special notes for belt tensioners

♦ When removing and installing belt tensioners, proceed very

carefully. If belt tensioner units are not handled correctly, there is an increased danger and injury risk.

♦ Belt tensioner units which are mechanically damaged (dents,

fractures) must always be renewed.

♦ Never point the open end of a belt tensioner at another person.

♦ When connecting the belt tensioner unit, all mechanical com‐

ponents (including those of the three-point seat belt) must be secured properly. Should there not be enough space to con‐ nect the belt tensioner unit, the belt must be retracted com‐ pletely before connecting the tensioner unit. In this case, there is no increased safety risk if you observe the safety precau‐ tions, i.e. most importantly the mechanic must disconnect the battery and discharge static electricity before connecting the belt tensioner unit.

♦ Depending on the accident, the belt tensioner might have been

triggered WITHOUT the belt force limiter being triggered. These components must be handled in the same way as nonignited components.

Audi TT 2007 ➤

1.2 Storing, transporting and disposing of airbag units, belt tensioner units and battery isolation units (pyrotechnic com‐ ponents)

♦ Storage must be in accordance with the statutory regulations

of the countries in question.

1. Safety regulations and test methods for pyrotechnic, electrical and mechanical components of the restraint system 43

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Audi TT 2007 ➤ General body repairs, interior - Edition 07.2010

♦ Transportation must be in accordance with the national and

international guidelines which regulate the details of the pack‐ aging, marking, labelling and accompanying documents.

♦ Non-ignited pyrotechnic components must be disposed of in

their original packaging and in accordance with national reg‐ ulations. Please contact your importer if you require further information.

♦ Only pyrotechnic components that have been triggered com‐

pletely may be disposed of with commercial refuse.

WARNING

♦ This does not apply to belt tensioners which are Wankel-

powered. These must be treated in the same manner as non-ignited pyrotechnic components (for example air‐ bags, seat belts, pyrotechnic battery isolators).

♦ Reason: The workshop does not have the means to check

whether the Wankel-type belt tensioners have ignited fully (in all ignition stages).

1.3 Additional safety regulations for side air‐ bags

♦ We recommend using genuine seat covers (same as original

equipment).

♦ It is NOT permissible to use seat covers or protective covers

which have not been approved for use on Audi seats with side airbags.

♦ The backrest foam fill must not be cut away in the area of the

side airbag.

♦ When installing, make sure seam for side airbag is straight.

♦ All upholstery clips (metal and plastic clips) must be renewed.

♦ We recommend using only genuine upholstery clips (same as

original equipment).

♦ When installing, all new upholstery clips must be fitted in the

same positions as the original ones.

♦ For safety reasons, the cover should always be renewed if it

is damaged (tears, burn marks, etc.) in the area of the side airbag, as otherwise the side airbag will not inflate properly.

♦ Never repair backrest cover in area of side airbag (due to spe‐

cial thread and precisely defined seam).

♦ Always renew backrest padding after side airbags have been

triggered.

♦ All damaged components must be renewed after an accident.

The original airbag unit can still be used if no signs of damage are found.

♦ If side airbag units are renewed, remove sticker with airbag

number from new side airbag unit and stick it over old sticker on seat pan.

♦ Never pierce the seat cover fabric with upholstery needles or

other sharp objects in the vicinity of the airbag, seat occupied sensor (front passenger side) -G128- and the seat occupied sensor mat.

44 Rep. gr.69 - Passenger protection

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General body repairs, interior - Edition 07.2010

1.4 Additional safety regulations for curtain airbags

♦ Before carrying out any installation work always visually in‐

spect trim for damage.

♦ Trim repairs (A-pillar trim (top), B-pillar trim, C-pillar trim and

D-pillar trim) are not permitted.

♦ When installing, make sure that trim panels are fitted securely.

♦ When carrying out repairs behind the curtain airbag always

remove the complete unit.

♦ When removing and installing curtain airbag units, proceed

very carefully to prevent possible damage.

♦ After removal, store old curtain airbag units in their transport

containers or on a clean, level surface (on a blanket).

♦ After performing body repairs in area of curtain airbag, check

body for welding spatter, deformation and abrasion by com‐ paring with opposite side.

♦ It is important that you hold the gas generator at all times when

handling it (during transportation, removing and installing etc.) until it has been bolted on.

♦ Never twist, turn, knot, throw, pull, hang, pinch, press or clamp

curtain airbag unit.

♦ It might be possible to fold it, as long as you are careful not to

damage it (and in particular its protective cover).

1.5 Safety regulations for crash sensors (pressure sensors) for side airbag (front)

Audi TT 2007 ➤

The crash sensors for side airbags are very sensitive to pressure changes and must therefore be handled with great care. Please note the following:

♦ Always observe correct installation position: ONLY install in

correct fitting location in door.

♦ Protect crash sensor from jolts and knocks. Crash sensors

which have been dropped must NOT be used. Remove crash sensor to perform body repairs at door.

♦ The crash sensor is adapted to the air volume inside the door:

If the door is deformed, causing the air volume in the door to be reduced, the function of the crash sensor will be impaired.

♦ Make sure the crash sensor is not badly soiled: Do not use

compressed air near the crash sensor. Protect the crash sen‐ sor against filings or drilling swarf (e.g. on service installation of door loudspeakers). Do not use cavity sealant or oil sprays near crash sensor.

♦ Protect against heat and cold: Protect crash sensor against

heat, e.g. when painting or carrying out other body work. Crash sensors should never be exposed to temperatures of less than –40 °C (e.g. in non-air-conditioned aircraft cargo holds).

♦ The crash sensor must be protected against moisture, both

during storage and when installing.

Make sure that the door is properly sealed when it is installed; otherwise the crash sensor may not function correctly. Please note the following:

♦ Make sure that all components (e.g. cover panel, loudspeaker,

door trim) are fitted correctly.

1. Safety regulations and test methods for pyrotechnic, electrical and mechanical components of the restraint system 45

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Audi TT 2007 ➤ General body repairs, interior - Edition 07.2010

♦ The retaining clips for the door trim provide a seal for the sys‐

tem. Renew retaining clips if necessary.

1.6 Additional safety regulations for working on seat occupied sensor controlling de‐ activation of front passenger airbag country-specific version

♦ Following any repair work on the front passenger's seat during

which the seat and/or backrest cover are/is disengaged, the basic setting for the seat occupied recognition control unit must always be performed ⇒ Vehicle diagnostic, testing and information system VAS 5051.

♦ The mat for the seat occupied sensor must not be bent or

kinked.

♦ The mat must be renewed if it is damaged (service kit).

♦ The pressure hose for the seat occupied sensor must not be

bent or kinked.

♦ Make sure that the components of the seat occupied recogni‐

tion system (service kit) do not fall onto hard surfaces, do not come into contact with grease and cannot be damaged by sharp objects.

♦ Make sure that the mat, the fleece and all covers are not

creased when they are installed.

♦ Make sure that the seat padding and seat cover are in the

correct installation position.

♦ Renew all staples/clips and make sure they are correctly posi‐

tioned on the seat.

♦ The system's basic setting is only possible at temperatures

between 0°C and + 40°C if airbag units 8.R and 9.* are instal‐ led, and only between 5°C and 35°C if airbag unit 10.* is installed.

♦ Make sure there are no objects lying on the seat before or

while you are performing the basic setting.

♦ The use of loose seat covers - such as cushions or similar -

impairs the function of the seat occupied recognition system and thus the function of the airbag system.

1.7 Procedure for dealing with seat occu‐ pied sensor controlling deactivation of front passenger airbag following an ac‐ cident - country-specific version

♦ The basic setting for the seat occupied recognition control unit

must be performed whenever the airbag and/or front passeng‐ er's belt tensioner has/have been triggered ⇒ Vehicle diag‐ nostic, testing and information system VAS 5051.

♦ If the seat rail and/or seat pan has/have to be renewed after a

crash due to deformation, the seat occupied sensor must be renewed using the „seat occupied recognition service kit“. The „basic setting“ for the seat occupied recognition control unit must then be performed ⇒ Vehicle diagnostic, testing and in‐ formation system VAS 5051.

46 Rep. gr.69 - Passenger protection

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General body repairs, interior - Edition 07.2010

1.8 Renewing pyrotechnic, electrical and mechanical components of the restraint system following an accident

Special tools and workshop equipment required

♦ Use a suitable vehicle diagnostic, testing and information sys‐

tem such as the vehicle diagnostic, testing and information system -VAS 5051B- .

Note

Audi TT 2007 ➤

♦

The airbag control unit can be used with airbag generation 8.* »not 8.R« for up to two side airbag and/or belt tensioner trig‐ gering operations.

♦

The airbag control unit can be used with airbag generation 9.*,

10.* and 8.R for up to two triggering operations of the side airbags, driver's airbag, front passenger's airbag and/or belt tensioners.

♦

After the third activation the fault display will show „Control unit defective“.

Airbag control unit must be renewed:

♦ If driver's/front passenger's airbag has been triggered (how‐

ever not with airbag generation 9.*, 10.* and 8.R) ⇒ page 47

♦ After three side airbag, driver's airbag, front passenger's air‐

bag or belt tensioner triggering operations

♦ If housing is damaged

♦ In the event of a tunnel deformation within 200 mm radius of

control unit

Always renew the following:

♦ All triggered airbag units

♦ Battery isolation igniter -N253-

If front passenger's airbag has been triggered, also renew:

♦ Dash panel

♦ Supports for front passenger's airbag unit which have become

deformed (must not be bent back into shape)

♦ All front airbag sensors at front end

♦ Remaining lateral acceleration sensors (if anchorage points

around sensor have become deformed)

If driver's airbag has been triggered, also renew:

♦ Return ring with slip ring

♦ All front airbag sensors at front end

1. Safety regulations and test methods for pyrotechnic, electrical and mechanical components of the restraint system 47

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Audi TT 2007 ➤ General body repairs, interior - Edition 07.2010

♦ Remaining lateral acceleration sensors (if anchorage points

around sensor have become deformed)

If side airbag(s) has/have been triggered, also renew:

♦ Pressure sensors on the side on which the airbag was trig‐

gered

♦ Lateral acceleration sensors on the side on which airbag was

triggered

♦ Cover

♦ Padding

♦ Folding rear seat backrest: side padding (if fitted)

♦ Remaining lateral acceleration sensors (if anchorage points

around sensor have become deformed)

Additionally:

♦ All automatic belt retractors with belt tensioners which have

been triggered

♦ All automatic belt retractors with belt force limiters (depending

on equipment version) which have been triggered

– If you suspect that belt tensioner(s) and/or belt force limiter(s)

has/have been triggered, connect a suitable vehicle diagnos‐ tic, testing and information system such as the vehicle diag‐ nostic, testing and information system -VAS 5051B- .

– In „15 - Airbag“ of the »Guided Fault Finding« function, check

whether there is an entry recording a crash in the airbag con‐ trol unit.

– Check whether at the same time the fault „Resistance too high“

is entered for belt tensioner(s) and/or belt force limiter(s). Belt tensioner(s) and/or belt force limiter(s) which have been trig‐ gered must fulfil both conditions. Condition: The airbag control unit has not yet been renewed.

Note

♦

The fault „Resistance too high“ can also be entered if there is an open circuit. In this case, there should usually be no crash entry.

♦

Depending on the accident, the belt tensioner might have been triggered without the belt force limiter being triggered. In this case, observe the disposal regulations for pyrotechnic com‐ ponents ⇒ page 43 .

♦

Also observe the notes on checking seat belts ⇒ page 49 .

♦

Triggered belt force limiters can be identified by the following characteristics:

♦

The pin -1- and the lug -3- have come out of the housing of the belt force limiter on the automatic belt retractor.

♦

The tab -2- is no longer in a vertical position, but is facing out‐ wards at an angle.

– If components of the belt system are removed following an

accident, renew the bolts for the belt system.

– In addition, the following must also be renewed if necessary

(visual check): all damaged components

48 Rep. gr.69 - Passenger protection

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General body repairs, interior - Edition 07.2010

1.9 Checking airbag mounting components following an accident

It is essential to always renew all damaged mounting components

- it is not permissible to »reshape« or rework damaged compo‐

nents.

The following components must be checked after an airbag has been triggered.

If front passenger's airbag has been triggered:

♦ Central tube for dash panel; it must be possible to install front

passenger's airbag supports and front passenger's airbag unit so that they are free of stress. Otherwise central tube should also be renewed.

♦ Check glove box for damage. Renew glove box if it is dam‐

aged.

If driver's airbag has been triggered:

♦ Steering wheel: Remove steering wheel and place it on a level

surface (resting on rim). The full area of the rim must lie flat. If it does not, the steering wheel has to be renewed.

♦ Check steering wheel for smoke marks. Renew steering wheel

if such marks are found.

Audi TT 2007 ➤

1.10 Accident in which no airbag was trig‐ gered

♦ Pyrotechnic components do not have to be renewed if airbag

warning lamp -K75- does not indicate a fault. The seat belts must be checked separately.

1.11 Checking seat belts

WARNING

A systematic check of the seat belt system must be carried out after every accident. If any damage is identified (see section on points to check), the customer must be informed that one or more of the seat belts have to be renewed.

Points to check:

♦ Check belt webbing ⇒ page 50 .

♦ Check automatic belt retractor (locking action) ⇒ page 50 .

♦ Visual inspection of belt buckle ⇒ page 51 .

♦ Functional check of belt buckle ⇒ page 51 .

♦ Check guide fittings and latch plate ⇒ page 51 .

♦ Check securing components and anchorage points

⇒ page 52 .

♦ Check child seat restraint function for additional child seats

(not for driver's seat belt) - country-specific version

⇒ page 52 .

Caution

If customers refuse to have damaged seat belts renewed, this must be noted accordingly in the Service Schedule.

1. Safety regulations and test methods for pyrotechnic, electrical and mechanical components of the restraint system 49

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Audi TT 2007 ➤ General body repairs, interior - Edition 07.2010

1.12 Checking belt webbing

Procedure

– Pull belt as far as it will go out of automatic belt retractor or lap

belt adjuster.

– Inspect belt for dirt and, if necessary, wash it with mild soap

solution ⇒ Owner's Manual .

• If the following type of damage (shown in illustrations 1 and 2) is identified on a vehicle following an accident you must renew the complete seat belt including the belt buckle.

• If damage as shown in illustrations 1, 2 or 3 is identified on a vehicle which has not been involved in an accident, it is suffi‐ cient to only renew the damaged belt.

• 1 – Belt is cut, torn or chafed

• 2 – Frayed fabric at edge of belt

• 3 – Burn marks caused by cigarettes or similar

1.13 Checking automatic belt retractor (lock‐

ing action)

The automatic belt retractor has two locking functions.

♦ The first locking function is triggered by pulling the belt quickly

out of the automatic belt retractor.

First check

– Pull belt out of automatic belt retractor in a sharp quick move‐

ment.

• No locking effect - renew complete seat belt including belt buckle.

50 Rep. gr.69 - Passenger protection

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General body repairs, interior - Edition 07.2010

• If you encounter difficulties when pulling belt out or retracting it, first check whether position of automatic belt retractor has changed.

• The second locking function is triggered if vehicle motion changes (vehicle-dependent locking function).

Second check

WARNING

For safety reasons, test drive must be performed on a road with no traffic to avoid putting other road users at risk.

– Fasten seat belt.

– Accelerate vehicle to 20 km/h and then press foot brake firmly

(emergency braking).

• If braking does not activate seat belt locking mechanism, re‐ new complete seat belt including belt buckle.

1.14 Visual inspection of belt buckle

Audi TT 2007 ➤

– Inspect belt buckle for cracks and fracturing.

• If you identify any damage, renew complete seat belt including belt buckle.

1.15 Functional check of belt buckle

Checking belt buckle

– Push latch plate into belt buckle until you hear it engage. Pull

belt firmly to check whether locking mechanism has engaged.

• Carry out test at least 5 times. If latch plate does not engage properly in belt buckle in one or more of the tests, renew com‐ plete seat belt including belt buckle.

Checking release function:

– Release seat belt by pressing button on belt buckle. Latch

plate must be automatically ejected from belt buckle when belt is slack.

• Carry out test at least 5 times. If latch plate is not ejected in one or more of these tests, renew complete seat belt including belt buckle.

WARNING

Under no circumstances apply lubricant to belt buckle to elim‐ inate noises or to stop buttons sticking.

1.16 Checking guide fittings and latch plate

When a seat belt has been under strain in an accident the plasticcovered guides will show fine parallel scoring. (By contrast, a guide fitting which is worn because of frequent use will have a smoothly worn surface, but no scoring).

– Inspect for deformation, fracturing and cracks in the plastic.

• If you identify any scoring and/or damage, renew the complete seat belt including the belt buckle.

1. Safety regulations and test methods for pyrotechnic, electrical and mechanical components of the restraint system 51

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Audi TT 2007 ➤ General body repairs, interior - Edition 07.2010

1.17 Checking securing components and an‐ chorage points following an accident

♦ Latch plate deformed (strained)

♦ Height adjustment not functioning

♦ Anchorage points (seat, pillar, vehicle floor) deformed or

thread damaged

• If you identify any damage on these parts, renew complete

seat belt including belt buckle.

• If components of the belt system are removed following an

accident, renew the securing bolts for the belt system.

• Renew anchorage points.

Note

In the event of damage not resulting from an accident (for exam‐ ple wear) only the corresponding damaged part must be renewed.

1.18 Checking child seat restraint function for additional child seats (not for driver's seat belt) - country-specific version

To check this function fit the complete belt assembly (including side panel trim).

Activating locking function of retractor mechanism:

♦ Pull out belt as far as it will go.

Correct function:

♦ The belt should retract with an audible clicking sound.

♦ Once you stop the belt retracting any further, it should no lon‐

ger be possible to pull the belt out.

Deactivating

♦ Allow the belt to retract as far as the last approx. 100 mm.

♦ The locking function of the retractor mechanism should be de‐

activated at the latest by the time the belt has been retracted as far as the last 100 mm. The belt then functions as "normal" again.

If child seat restraint function of seat belt is not operating properly, seat belt must be renewed.

1.19 Checking child seat anchors following an accident

Points to check:

♦ After an accident, child seat anchors must be checked for

damage and deformation.

♦ Child seat anchors welded or bolted to body or seats/backr‐

ests must not be repaired or straightened.

♦ Child seat anchors bolted to the body or seats/backrests must

be renewed if they are damaged or deformed.

♦ Bolts for securing child seat anchors must be renewed if re‐

tainer is damaged.

52 Rep. gr.69 - Passenger protection

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Audi TT 2007 ➤

General body repairs, interior - Edition 07.2010

2 Seat belts (Coupé)

WARNING

♦ Observe safety regulations for pyrotechnic components

⇒ page 42 .

♦ Observe disposal regulations for pyrotechnic components

⇒ page 43 .

♦ Note checks for seat belts ⇒ page 49 .

2.1 Overview of seat belts and anchorage points

1 - Belt reel / belt tensioner / switchable pressure limiter

❑ For three-point seat belt

(front)

❑ Switchable pressure

limiter: only for countryspecific version

❑ Exploded view:

♦ Belt reel with belt tensioner

⇒ page 54

♦ Belt reel with belt tensioner

and switchable pressure limiter (country-specific version) ⇒ page 54

2 - Anchorage point for belt guide fitting (front)

❑ Removing ⇒ page 55

3 - Belt reel

❑ For three-point seat belt

(rear)

❑ Exploded view

⇒ page 61

4 - Anchorage point for belt guide fitting (rear)

❑ Removing ⇒ page 61

5 - Three-point seat belt (rear)

❑ Exploded view

⇒ page 61

6 - Outer belt end fitting (rear)

❑ Removing ⇒ page 62

7 - Centre belt end fitting

❑ Removing ⇒ page 58

8 - Outer belt end fitting (front)

❑ Removing ⇒ page 56

9 - Three-point seat belt (front)

❑ Exploded view of three-point seat belt:

♦ With belt tensioner ⇒ page 54

♦ With belt tensioner and switchable pressure limiter (country-specific version) ⇒ page 54

2. Seat belts (Coupé) 53

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Audi TT 2007 ➤ General body repairs, interior - Edition 07.2010

10 - Belt buckle anchorage point (front)

❑ On front seat ❑ Exploded view ⇒ page 58

♦ Removing and installing without belt buckle sensor ⇒ page 58

♦ Removing and installing with seat occupied recognition system controlling deactivation of front passenger's

airbag (country-specific version) ⇒ page 58

2.2 Exploded view of three-point seat belt (front)

1 - Three-point seat belt

❑ Without switchable

pressure limiter

♦ Removing and installing

⇒ page 55

❑ With switchable pres‐

sure limiter (countryspecific version)

♦ Removing and installing

⇒ page 55

2 - Connector for switchable pressure limiter

❑ Country-specific version ❑ Removing and installing

⇒ page 56

3 - Connector for belt tensioner

❑ Unplugging and plug‐

ging in ⇒ page 55

4 - Bolt

❑ 4.5 Nm ❑ 2x

5 - Bracket

6 - Belt

7 - Belt guide fitting

8 - Bolt

❑ 45 Nm ❑ 2x

9 - Belt end fitting

❑ Removing and installing

⇒ page 56

10 - Bolt

❑ 55 Nm

11 - Washer

12 - Bolt

❑ 45 Nm

54 Rep. gr.69 - Passenger protection

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General body repairs, interior - Edition 07.2010

2.3 Removing and installing three-point seat belt with belt tensioner / pressure limiter

Removing

WARNING

♦ Observe safety regulations for pyrotechnic components

⇒ page 42 .

♦ Observe disposal regulations for pyrotechnic components

⇒ page 43 .

– Switch off ignition.

– Disconnect the battery earth wire ⇒ Electrical system; Rep.

gr. 27 .

– Unscrew outer belt end fitting (front) ⇒ page 56 .

– Remove side trim ⇒ page 175 .

– Remove subwoofer (equipment-specific) on left side ⇒ Com‐

munication; Rep. gr. 91 .

– Unscrew belt guide fitting anchorage point -1-.

– Thread webbing -3- out of bracket -2-.

Audi TT 2007 ➤

WARNING

♦ Before handling the belt tensioner units (e.g. unplugging

the electrical connector) the mechanic must discharge static electricity by briefly touching the door striker plate, or similar.

– Use a screwdriver -8- to release connector -7- at belt tension‐

er.

– Unplug connector at belt tensioner.

2. Seat belts (Coupé) 55

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Audi TT 2007 ➤ General body repairs, interior - Edition 07.2010

Vehicles with switchable pressure limiter (country-specific ver‐ sion)

– Use a screwdriver -8- to release connector -6- at pressure lim‐

iter.

– Unplug connector at pressure limiter.

All vehicles (continued)

– Remove bolt -5-.

– Take three-point seat belt -4- out of mounting.

Installing

WARNING

♦ Observe safety regulations for pyrotechnic components

⇒ page 42 .

♦ Before handling the belt tensioner units (e.g. plugging in

the electrical connector) the mechanic must discharge static electricity by briefly touching the door striker plate, or similar.

♦ Make sure electrical connectors are fitted correctly (as far

as stop) and engage audibly.

Install in reverse order of removal. Observe the following:

– Insert belt tensioner with locking element -arrow 1- into mount‐

ing -arrow 2-.

– After fitting three-point seat belt (front passenger side), check

belt operation for child seat (country-specific version)

⇒ page 52 .

– Connect battery earth wire with ignition switched on ⇒ Elec‐

trical system; Rep. gr. 27 .

Tightening torque ⇒ page 54

2.4 Removing and installing outer belt end fitting (front)

Removing

– Move front seat forwards as far as it will go.

56 Rep. gr.69 - Passenger protection

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General body repairs, interior - Edition 07.2010

– Open lid of cover -2- by pulling in direction of -arrow-.

– Lift cover -2- out of floor covering.

– Remove bolt -1-.

Installing

– Screw in bolt -1-.

– When fitting, slide tab -4- underneath floor covering.

– Close lid -2- to press tabs -3- underneath floor covering.

Tightening torque ⇒ page 54

2.5 Removing and installing belt guide fitting anchorage point

Audi TT 2007 ➤

Removing

– Remove rear side trim ⇒ page 175 .

– Remove bolts -1- and detach belt guide fitting -2-.

– Thread belt -3- out of belt guide fitting -2-.

Installing

Install in reverse order of removal.

Tightening torque ⇒ page 54

2. Seat belts (Coupé) 57

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Audi TT 2007 ➤ General body repairs, interior - Edition 07.2010

2.6 Exploded view of belt buckle anchorage point (front)

1 - Belt buckle

❑ Removing and installing

belt buckle without buckle sensor

⇒ page 58

❑ Removing and installing

belt buckle for seat oc‐ cupied recognition sys‐ tem controlling deacti‐ vation of front passeng‐ er's airbag (countryspecific version)

⇒ page 58 (belt buckle

version not shown in il‐ lustration)

2 - Front seat

3 - Seat frame

4 - Bolt

❑ ONLY on bucket seat:

22 Nm ❑ All other seats: 34 Nm ❑ Renew

2.7 Removing and installing front buckle an‐

Removing

– Move front seat as far as possible to the rear and upwards.

– Remove front seat:

♦ Removing and installing front seats (with manual adjustment)

⇒ page 243

♦ Removing and installing front seats (with electric adjustment)

⇒ page 274

♦ Removing and installing bucket seat ⇒ page 363

chorage point

58 Rep. gr.69 - Passenger protection

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General body repairs, interior - Edition 07.2010

Vehicles with seat occupied recognition system controlling deac‐

tivation of front passenger's airbag (country-specific version)

WARNING

The belt buckle for the seat occupied recognition system con‐ trolling the deactivation of the front passenger's airbag must ALWAYS be renewed when the front passenger's belt tension‐ er has been triggered.

– Unplug connector -2-.

1 - Belt buckle for seat occupied recognition system controlling

deactivation of front passenger's airbag (country-specific version)

– Unfasten cable tie clip -3-.

Audi TT 2007 ➤

2. Seat belts (Coupé) 59

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Audi TT 2007 ➤ General body repairs, interior - Edition 07.2010

All vehicles (continued)

– Unscrew bolt -2- and detach belt buckle -1-.

Installing

Install in reverse order of removal. Observe the following:

Vehicles with seat occupied recognition system controlling deac‐ tivation of front passenger's airbag (country-specific version)

– If the belt buckle for the seat occupied recognition system

controlling the deactivation of the front passenger's airbag is renewed, you must complete the form for the seat occupied recognition system stating the serial number and including the bar code sticker of the new belt buckle, and then send the form to the importer.

All vehicles (continued)

– Remove bolt from belt buckle.

Note

Make sure electrical connectors are fitted correctly (as far as stop) and engage audibly.

– Switch on ignition.

WARNING

The battery must be connected with the ignition switched on. If pyrotechnic components (e.g. airbag or belt tensioner) are inexpertly repaired, this may result in unwanted triggering after connecting the battery. There must not be anyone in the vehi‐ cle while you are connecting the battery.

– Connect battery earth wire with ignition switched on ⇒ Elec‐

trical system; Rep. gr. 27 .

– If the airbag warning lamp -K75- indicates a fault following the

installation, the fault memory must be interrogated, erased and interrogated again ⇒ Vehicle diagnostic, testing and in‐ formation system -VAS 5051B- .

Tightening torque ⇒ page 58

60 Rep. gr.69 - Passenger protection

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General body repairs, interior - Edition 07.2010

2.8 Exploded view of three-point seat belt (rear)

1 - Cover

❑ For automatic belt re‐

tractor

2 - Bolt

❑ 45 Nm

3 - Automatic belt retractor

❑ Removing and installing

⇒ page 61

4 - Bolt

❑ 45 Nm ❑ Not installed on all ver‐

sions

5 - Bolt

❑ 45 Nm ❑ 2x

6 - Belt guide fitting

❑ Different versions

7 - Bracket

8 - Bolt

❑ 4.5 Nm ❑ 2x

9 - Bolt

❑ 55 Nm

10 - Belt end fitting

❑ Removing and installing

⇒ page 61

Audi TT 2007 ➤

2.9 Removing and installing three-point seat belt (rear)

Removing

– Remove side trim ⇒ page 175 .

– Remove subwoofer (equipment-specific) on left side ⇒ Com‐

munication; Rep. gr. 91 .

– Unscrew outer belt end fitting (rear) ⇒ page 62 .

2. Seat belts (Coupé) 61

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Audi TT 2007 ➤ General body repairs, interior - Edition 07.2010

– Thread belt -1- out of bracket -2- and belt guide fitting -3-.

– Pull trim cover -5- off downwards.

– Remove bolt -6- and detach three-point seat belt -4-.

Installing

Install in reverse order of removal. Observe the following:

– Insert three-point seat belt with locking element -arrow 1- into

mounting -arrow 2-.

Tightening torque ⇒ page 61

2.10 Removing and installing outer belt end fitting (rear)

Removing

– Remove side trim ⇒ page 175 .

– Remove subwoofer (equipment-specific) on left side ⇒ Com‐

munication; Rep. gr. 91 .

– Remove bolt -2- of belt end fitting -1-.

Installing

Install in reverse order of removal. Observe the following:

– The groove of the belt end fitting must rest on the lugs of the

floor panel such that the end of the belt faces towards the in‐ side of the vehicle.

Tightening torque ⇒ page 61

62 Rep. gr.69 - Passenger protection

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General body repairs, interior - Edition 07.2010

2.11 Exploded view of belt buckle (rear)

1 - Cover

❑ Not installed on all ver‐

sions

❑ Installing ⇒ page 64

2 - Belt buckle

❑ Removing and installing

⇒ page 64

3 - Nut

❑ Depending on equip‐

ment version

❑ 55 Nm

4 - Bolt

❑ Depending on equip‐

ment version

❑ 55 Nm

5 - Centre mounting for back‐ rest

Audi TT 2007 ➤

2. Seat belts (Coupé) 63

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Audi TT 2007 ➤ General body repairs, interior - Edition 07.2010

2.12 Removing and installing belt buckle

Removing

– Remove seat bench ⇒ page 383 .

– Remove bolt or nut -2-.

– Detach belt buckle -1-.

Installing

Install in reverse order of removal. Observe the following:

– Make sure locking element -arrow A- on underside of belt

buckle -1- is inserted in recess -arrow B- of centre mounting

-2-.

– Pull lug of cover through underneath belt buckle shaft and

swivel upwards -1-.

– If fitted, slide lug of cover into slit in cover and engage -2-.

Tightening torque ⇒ page 63

64 Rep. gr.69 - Passenger protection

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Audi TT 2007 ➤

General body repairs, interior - Edition 07.2010

3 Seat belts (Roadster)

WARNING

♦ Observe safety regulations for pyrotechnic components

⇒ page 42 .

♦ Observe disposal regulations for pyrotechnic components

⇒ page 43 .

♦ Note checks for seat belts ⇒ page 49 .

3.1 Overview of seat belts and anchorage points

1 - Belt reel / belt tensioner / switchable pressure limiter

❑ For three-point seat belt ❑ Switchable pressure

limiter: only for countryspecific version

❑ Exploded view:

♦ Belt reel with belt tensioner

⇒ page 66

♦ Belt reel with belt tensioner

and switchable pressure limiter (country-specific version) ⇒ page 66

2 - Holder

❑ For three-point seat belt ❑ Attached to seat

3 - Outer belt end fitting

❑ Removing and installing

⇒ page 71

4 - Three-point seat belt

❑ Exploded view of three-

point seat belt:

♦ With belt tensioner

⇒ page 66

♦ With belt tensioner and

switchable pressure limiter (country-specific version)

⇒ page 66

5 - Anchorage point (belt buck‐ le)

❑ Exploded view

❑ On front seat

♦ Removing and installing without belt buckle sensor ⇒ page 73

♦ Removing and installing with seat occupied recognition system controlling deactivation of front passenger's

airbag (country-specific version) ⇒ page 73

6 - Belt guide

❑ Removing and installing ⇒ page 72

⇒ page 72

3. Seat belts (Roadster) 65

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Audi TT 2007 ➤ General body repairs, interior - Edition 07.2010

3.2 Exploded view of three-point seat belt

1 - Three-point seat belt

❑ Without switchable

pressure limiter

♦ Removing and installing

⇒ page 67

❑ With switchable pres‐

sure limiter (countryspecific version)

♦ Removing and installing

⇒ page 67

2 - Connector for belt tensioner

❑ Unplugging and plug‐

ging in ⇒ page 67

3 - Belt

4 - Connector for switchable pressure limiter

❑ Country-specific version ❑ Removing and installing

⇒ page 67

5 - Coupling unit

❑ Left-side: For switcha‐

ble pressure limiter

❑ Right-side: For belt ten‐

sioner

❑ Clipped to vehicle body

6 - Bolt

❑ 45 Nm

7 - Belt guide

❑ Removing and installing

⇒ page 72

8 - Bolt

❑ 6 Nm ❑ Renew

9 - Belt end fitting

❑ Removing and installing ⇒ page 71

10 - Bolt

❑ 55 Nm

66 Rep. gr.69 - Passenger protection

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General body repairs, interior - Edition 07.2010

3.3 Removing and installing three-point seat belt with belt tensioner / pressure limiter

Removing

WARNING

♦ Observe safety regulations for pyrotechnic components

⇒ page 42 .

♦ Observe disposal regulations for pyrotechnic components

⇒ page 43 .

– Move both seats forwards and fold backrest forwards.

– Switch off ignition.

– Disconnect the battery earth wire ⇒ Electrical system; Rep.

gr. 27 .

– Release stud -arrow- and open seat belt holder -1-.

– Remove seat belt -2- from seat belt holder.

– Remove belt end fitting ⇒ page 71 .

– Remove back panel cover ⇒ page 214 .

– Remove back panel side trim ⇒ page 209 .

– Storage compartments (left and right) must be removed if fitted

in back panel ⇒ page 210 .

Audi TT 2007 ➤

WARNING

♦ Before handling the belt tensioner units (e.g. unplugging

the electrical connector) the mechanic must discharge static electricity by briefly touching the door striker plate, or similar.

Driver side (left side of vehicle)

– Use a screwdriver -2- to release connector -1- at belt tension‐

er.

– Unplug connector at belt tensioner.

3. Seat belts (Roadster) 67

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Audi TT 2007 ➤ General body repairs, interior - Edition 07.2010

Vehicles with switchable pressure limiter (country-specific ver‐ sion)

Note

Never remove cable tie -2- securing wiring from pyrotechnic belt tensioner or switchable pressure limiter -arrow- to coupling -3-.

– Unplug pressure limiter connector from coupling -5-.

All vehicles (continued)

– Remove bolt -3-.

– Take three-point seat belt -4- out of mounting on body.

– At the same time, thread belt out of belt guide -5-.

68 Rep. gr.69 - Passenger protection

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General body repairs, interior - Edition 07.2010

Passenger side (right side of vehicle)

– Unplug electrical connector for belt tensioner at coupling -3-.

Vehicles with switchable pressure limiter (country-specific ver‐ sion)

Audi TT 2007 ➤

Note

Never remove cable tie -2- securing wiring from pyrotechnic belt tensioner or switchable pressure limiter -arrow- to coupling -3-.

– Unplug connector -2- at switchable pressure limiter.

3. Seat belts (Roadster) 69

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Audi TT 2007 ➤ General body repairs, interior - Edition 07.2010

All vehicles (continued)

– Remove bolt -3-.

– Take three-point seat belt -4- out of mounting on body.

– At the same time, thread belt -5- out of belt guide.

Installing

WARNING

♦ Observe safety regulations for pyrotechnic components

⇒ page 42 .

♦ Before handling pyrotechnic components (e.g. plugging in

the electrical connector) the mechanic must discharge static electricity by briefly touching the door striker plate, or similar.

Install in reverse order of removal. Observe the following:

– Insert belt reel / belt tensioner / pressure limiter with locating

element -1- in mounting -2- on body in direction of -arrow-.

Note

Make sure electrical connectors are fitted correctly (as far as stop) and engage audibly.

70 Rep. gr.69 - Passenger protection

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General body repairs, interior - Edition 07.2010

– Make sure that wiring -arrow- leading to coupling -3- is addi‐

tionally secured to belt reel housing -1- using a cable tie -2-.

Caution

If this cable tie securing the wiring to the belt reel housing is missing, the wiring can become abraded, and this could result in the failure of the pyrotechnic belt tensioner or the switchable pressure limiter.

– Switch on ignition.

WARNING

The battery must be connected with the ignition switched on. If pyrotechnic components (e.g. airbag or belt tensioner) are inexpertly repaired, this may result in unwanted triggering after connecting the battery. There must not be anyone in the vehi‐ cle while you are connecting the battery.

Audi TT 2007 ➤

– Connect battery earth wire with ignition switched on ⇒ Elec‐

trical system; Rep. gr. 27 .

– If airbag warning lamp -K75- indicates a fault following instal‐

lation, you must interrogate, erase and then re-interrogate the fault memory ⇒ Vehicle diagnostic, testing and information system VAS 5051.

– After fitting three-point seat belt (front passenger side), check

belt operation for child seat (country-specific version)

⇒ page 52 .

Tightening torque ⇒ page 66

3.4 Removing and installing outer belt end fitting

Removing

– Move seat forwards and fold backrest forwards.

– Open lid of cover -2- by pulling in direction of -arrow-.

– Lift cover -2- out of floor covering.

– Remove bolt -1-.

Installing

– Screw in bolt -1-.

– When fitting, slide tab -4- underneath floor covering.

– Close lid -2- to press tabs -3- underneath floor covering.

Tightening torque ⇒ page 66

3. Seat belts (Roadster) 71

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Audi TT 2007 ➤ General body repairs, interior - Edition 07.2010

3.5 Removing and installing belt guide an‐ chorage point

Removing

– Remove belt end fitting ⇒ page 71 .

– Remove back panel cover ⇒ page 214 .

– Remove bolt -1- and detach belt guide -2-.

– Thread belt -3- out of belt guide -2-.

Installing

Install in reverse order of removal.

Tightening torque ⇒ page 66

3.6 Overview of buckle anchorage point

1 - Belt buckle

❑ Removing and installing

belt buckle without buckle sensor

⇒ page 73

❑ Removing and installing

belt buckle for seat oc‐ cupied recognition sys‐ tem controlling deacti‐ vation of front passeng‐ er's airbag (countryspecific version)

⇒ page 73 (belt buckle

version not shown in il‐ lustration)

2 - Seat

3 - Seat frame

4 - Bolt

❑ ONLY on bucket seat:

22 Nm ❑ All other seats: 34 Nm ❑ Renew

72 Rep. gr.69 - Passenger protection

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General body repairs, interior - Edition 07.2010

3.7 Removing and installing front buckle an‐ chorage point

Removing

– Move the seat as far as possible to the rear and upwards.

– Remove front seat:

♦ Removing and installing front seats (with manual adjustment)

⇒ page 243

♦ Removing and installing front seats (with electric adjustment)

⇒ page 274

♦ Removing and installing bucket seat ⇒ page 363

Vehicles with seat occupied recognition system controlling deac‐ tivation of front passenger's airbag (country-specific version)

WARNING

The belt buckle for the seat occupied recognition system con‐ trolling the deactivation of the front passenger's airbag must ALWAYS be renewed when the front passenger's belt tension‐ er has been triggered.

Audi TT 2007 ➤

– Unplug connector -2-.

1 - Belt buckle for seat occupied recognition system controlling deactivation of front passenger's airbag (country-specific version)

– Unfasten cable tie clip -3-.

3. Seat belts (Roadster) 73

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Audi TT 2007 ➤ General body repairs, interior - Edition 07.2010

All vehicles (continued)

– Unscrew bolt -2- and detach belt buckle -1-.

Installing

Install in reverse order of removal. Observe the following:

Vehicles with seat occupied recognition system controlling deac‐ tivation of front passenger's airbag (country-specific version)

– If the belt buckle for the seat occupied recognition system

controlling the deactivation of the front passenger's airbag is renewed, you must complete the form for the seat occupied recognition system stating the serial number and including the bar code sticker of the new belt buckle, and then send the form to the importer.

All vehicles (continued)

– Remove bolt from belt buckle.

Note

Make sure electrical connectors are fitted correctly (as far as stop) and engage audibly.

– Switch on ignition.

WARNING

The battery must be connected with the ignition switched on. If pyrotechnic components (e.g. airbag or belt tensioner) are inexpertly repaired, this may result in unwanted triggering after connecting the battery. There must not be anyone in the vehi‐ cle while you are connecting the battery.

– Connect battery earth wire with ignition switched on ⇒ Elec‐

trical system; Rep. gr. 27 .

– If the airbag warning lamp -K75- indicates a fault following the

installation, the fault memory must be interrogated, erased and interrogated again ⇒ Vehicle diagnostic, testing and in‐ formation system -VAS 5051B- .

Tightening torque ⇒ page 72

74 Rep. gr.69 - Passenger protection

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Audi TT 2007 ➤

General body repairs, interior - Edition 07.2010

4 Child seat anchors (ISOFIX, Top

Tether)

4.1 Exploded view of child seat anchors (ISOFIX) for front seat

Note

For greater clarity cover is not shown in illustration.

1 - Seat pan

2 - Retainer

❑ Front passenger's seat

only

❑ Attached to seat pan

and bolted on

❑ Checking after an acci‐

dent ⇒ page 52 ❑ Renew if damaged ❑ Removing and installing

⇒ page 76

3 - Bolt

❑ 12 Nm ❑ 4x ❑ Renew if retainer is

damaged

4. Child seat anchors (ISOFIX, Top Tether) 75

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Audi TT 2007 ➤ General body repairs, interior - Edition 07.2010

4.2 Removing and installing child seat an‐ chor (ISOFIX)

Removing

WARNING

♦ Observe safety regulations for pyrotechnic components

⇒ page 42 .

♦ Before handling the airbag units (e.g. unplugging the elec‐

trical connector) the mechanic must discharge static elec‐ tricity by briefly touching the door striker plate, or similar.

– Remove front passenger's seat:

♦ Front seat with manual adjustment ⇒ page 243

♦ Front seat with electric adjustment ⇒ page 274

– Attach front seat to seat repair stand -VAS 6136-

⇒ page 240 .

– Remove backrest:

♦ Front seat with manual adjustment ⇒ page 262

♦ Front seat with electric adjustment ⇒ page 298

– If fitted, disengage securing straps (left and right) -arrow-.

– Disengage fastening strips -1-, -2- and -3- on back of seat pan

-4-.

76 Rep. gr.69 - Passenger protection

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General body repairs, interior - Edition 07.2010

– Pull cover to front off ISOFIX brackets.

Make sure the cover does not tear at the opening for the ISOFIX bracket.

Audi TT 2007 ➤

4. Child seat anchors (ISOFIX, Top Tether) 77

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Audi TT 2007 ➤ General body repairs, interior - Edition 07.2010

– Remove bolts -3- (4x).

Note

For greater clarity the padding is shown without the cover.

– Lift retainer -1- off seat pan -2-.

Installing

Install in reverse order of removal. Observe the following:

WARNING

♦ Observe safety regulations for pyrotechnic components

⇒ page 42 .

♦ Before handling the airbag units (e.g. plugging in the elec‐

trical connector) the mechanic must discharge static elec‐ tricity by briefly touching the door striker plate, or similar.

Note

Make sure electrical connectors are fitted correctly (as far as stop) and engage audibly.

– Switch on ignition.

WARNING

The battery must be connected with the ignition switched on. If pyrotechnic components (e.g. airbag or belt tensioner) are inexpertly repaired, this may result in unwanted triggering after connecting the battery. There must not be anyone in the vehi‐ cle while you are connecting the battery.

– Connect battery earth wire with ignition switched on ⇒ Elec‐

trical system; Rep. gr. 27 .

– If the airbag warning lamp -K75- indicates a fault following the

installation, the fault memory must be interrogated, erased and interrogated again ⇒ Vehicle diagnostic, testing and in‐ formation system -VAS 5051 B- .

Tightening torque ⇒ page 75

78 Rep. gr.69 - Passenger protection

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Audi TT 2007 ➤

General body repairs, interior - Edition 07.2010

4.3 Exploded view of child seat anchors (ISOFIX) for rear seats

Exploded view of backrest child seat anchor (ISOFIX)

1 - Backrest pan (right-side)

❑ Exploded view

⇒ page 399

❑ Removing and installing

⇒ page 400

❑ Double-sided adhesive

tape on front and top edge

❑ Adhesive film on back ❑ With Top Tether (coun‐

try-specific version)

2 - Backrest pan (left-side)

❑ Exploded view

⇒ page 399

❑ Removing and installing

⇒ page 400

❑ Double-sided adhesive

tape on front and top edge

❑ Adhesive film on back ❑ With Top Tether (coun‐

try-specific version)

3 - Bolt

❑ Tightening torque

⇒ page 399

❑ 16x

4 - Backrest frame

❑ Backrest pans (left and

right) must be removed to renew backrest frame

❑ Exploded view

⇒ page 399

❑ Removing and installing

⇒ page 399

❑ Equipment versions:

♦ With child seat mounting (ISOFIX)

♦ Without child seat mounting

5 - Double-sided adhesive tape

❑ Affixed to front and top edge of backrest pan

Removing and installing child seat anchor (ISOFIX)

Child seat anchor (ISOFIX) is welded to backrest frame. Removal and installation of the child seat anchor involve taking out and replacing backrest frame.

Removing and installing child seat anchor (ISOFIX)

⇒ page 399

4. Child seat anchors (ISOFIX, Top Tether) 79

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Audi TT 2007 ➤ General body repairs, interior - Edition 07.2010

4.4 Exploded view of child seat anchor (Top Tether) - country-specific version

1 - Backrest

2 - Inner trim

❑ Removing and installing

⇒ page 80

3 - Bracket

❑ Removing and installing

⇒ page 80

4 - Bolt

❑ 4 Nm ❑ 4x

5 - Outer trim

❑ Removing and installing

⇒ page 80

4.5 Removing and installing child seat mounting (Top Tether)

Special tools and workshop equipment required

♦ Removal wedge -3409-

80 Rep. gr.69 - Passenger protection

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Removing

– Unclip outer trim -5- using removal wedge -3409- .

– Unscrew bolts -4-.

– Detach bracket -3-.

– Detach inner trim -2- from backrest -1-.

Installing

Install in reverse order of removal.

Tightening torque ⇒ page 80

Audi TT 2007 ➤

General body repairs, interior - Edition 07.2010

4. Child seat anchors (ISOFIX, Top Tether) 81

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Audi TT 2007 ➤ General body repairs, interior - Edition 07.2010

5 Servicing airbags

WARNING

♦ Observe safety regulations for pyrotechnic components

⇒ page 42 .

♦ Observe disposal regulations for pyrotechnic components

⇒ page 43 .

5.1 Overview of fitting locations

1 - Key-operated switch to de‐ activate airbag on front pas‐ senger side -E224-

❑ Removing and installing

⇒ page 97

2 - Airbag unit (front passenger side)

❑ Removing and installing

⇒ page 95

❑ Can be disabled and ac‐

tivated via key-operated switch to deactivate air‐ bag on front passenger side -E224-

3 - Side airbag, front (passen‐ ger side)

❑ Exploded view

⇒ page 99

❑ Removing and installing

⇒ page 100

4 - Battery isolation igniter N253-

❑ Removing and installing

⇒ page 86

5 - Side airbag, front (driver side)

❑ Exploded view

⇒ page 99

❑ Removing and installing

⇒ page 100

6 - Airbag unit (driver side)

❑ Exploded view

⇒ page 89

❑ Removing and installing

⇒ page 89

7 - Airbag coil connector and return ring with slip ring -F138-

❑ Removing and installing ⇒ Electrical system; Rep. gr. 94

8 - Airbag control unit -J234-

❑ Fitting location: on centre tunnel ❑ Removing and installing ⇒ page 83

9 - Airbag warning lamp -K75-

❑ Fitting location: in instrument cluster ⇒ Rep. gr. 90

82 Rep. gr.69 - Passenger protection

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General body repairs, interior - Edition 07.2010

10 - Warning lamp for airbag deactivated on front passenger side -K145-

❑ Fitting location: In radio/navigation unit ❑ Removing and installing ⇒ Communication; Rep. gr. 91

5.2 Exploded view of airbag control unit -J234-

1 - Nut

❑ 9 Nm

2 - Airbag control unit -J234-

❑ Removing and installing

⇒ page 83

3 - Connector

❑ To unplug, release

catch at connector and unplug connector.

4 - Threaded pin

❑ 3x

Audi TT 2007 ➤

5.3 Removing and installing airbag control unit -J234-

Removing

WARNING

♦ Observe safety regulations for pyrotechnic components

⇒ page 42 .

– Switch off ignition.

– Disconnect battery earth wire with ignition switched off ⇒

Electrical system; Rep. gr. 27 .

5. Servicing airbags 83

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Audi TT 2007 ➤ General body repairs, interior - Edition 07.2010

– Remove centre console (front) ⇒ page 22 .

WARNING

♦ Before handling pyrotechnic components (e.g. unplugging

the electrical connector) the mechanic must discharge static electricity by briefly touching the door striker plate, or similar.

84 Rep. gr.69 - Passenger protection

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General body repairs, interior - Edition 07.2010

– Open catch at connector -1-.

– Unplug connector -1-.

– Unscrew nuts -3- (3x) from studs.

– Detach airbag control unit -J234- -2- from studs.

Installing

Install in reverse order of removal. Observe the following:

WARNING

♦ Observe safety regulations for pyrotechnic components

⇒ page 42 .

♦ Before handling pyrotechnic components (e.g. plugging in

the electrical connector) the mechanic must discharge static electricity by briefly touching the door striker plate, or similar.

Note

Audi TT 2007 ➤

Make sure electrical connectors are fitted correctly (as far as stop) and engage audibly.

– Switch on ignition.

WARNING

The battery must be connected with the ignition switched on. If pyrotechnic components (e.g. airbag or belt tensioner) are inexpertly repaired, this may result in unwanted triggering after connecting the battery. There must not be anyone in the vehi‐ cle while you are connecting the battery.

– Connect battery earth wire with ignition switched on ⇒ Elec‐

trical system; Rep. gr. 27 .

– If airbag warning lamp -K75- indicates a fault following instal‐

lation, you must interrogate, erase and then re-interrogate the fault memory ⇒ Vehicle diagnostic, testing and information system VAS 5051.

Note

♦

Control unit must be encoded after renewal ⇒ Vehicle diag‐ nostic, testing and information system VAS 5051.

♦

Earth connection for airbag control unit -J234- is provided by securing housing to body.

Tightening torque ⇒ page 83

5. Servicing airbags 85

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Audi TT 2007 ➤ General body repairs, interior - Edition 07.2010

5.4 Exploded view of battery isolation igniter -N253-

1 - Nut

❑ 2x ❑ 6 Nm

2 - Battery positive terminal

❑ With additional wires

3 - Battery isolation igniter N253-

❑ Removing and installing

⇒ page 86

4 - Nut

❑ 15 Nm

5 - Battery

5.5 Removing and installing battery isola‐ tion igniter -N253-

Special tools and workshop equipment required

♦ Vehicle diagnostic, testing and information system -VAS

5051B-

86 Rep. gr.69 - Passenger protection

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General body repairs, interior - Edition 07.2010

Removing

WARNING

♦ Observe safety regulations for pyrotechnic components

⇒ page 42 .

♦ Observe disposal regulations for pyrotechnic components

⇒ page 43 .

Note

♦

If airbag warning lamp -K75- is illuminated after an accident, use ⇒ Vehicle diagnostic, testing and information system VAS 5051 to check whether crash data have been stored. If this is the case, check whether the fault »001 Resistance too high« is stored in the fault memory of the battery isolation ig‐ niter -N253- . If this fault is stored in the memory, the battery isolation igniter -N253- must be renewed.

♦

Each time the airbag is triggered, the battery isolation igniter

-N253- electrically isolates the circuit. Battery isolation igniter

-N253- must always be renewed after triggering.

Audi TT 2007 ➤

– Switch off ignition and remove ignition key.

– Take the cover panel out of the luggage compartment floor.

– Disconnect battery earth strap ⇒ Electrical system; Rep. gr.

27 .

5. Servicing airbags 87

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Audi TT 2007 ➤ General body repairs, interior - Edition 07.2010

– Disconnect the battery positive strap -1- and detach it with the

auxiliary fuse box.

– Unscrew nuts -2-.

– Detach battery isolation igniter -N253- -5-.

WARNING

♦ Before handling pyrotechnic components (e.g. unplugging

the electrical connector) the mechanic must discharge static electricity by briefly touching the door striker plate, or similar.

– Release connector -3- at battery isolation igniter -N253- with

a screwdriver -4-.

Installing

Install in reverse order of removal. Observe the following:

WARNING

♦ Observe safety regulations for pyrotechnic components

⇒ page 42 .

♦ Before handling pyrotechnic components (e.g. plugging in

the electrical connector) the mechanic must discharge static electricity by briefly touching the door striker plate, or similar.

Note

Make sure electrical connectors are fitted correctly (as far as stop) and engage audibly.

– Switch on ignition.

WARNING

The battery must be connected with the ignition switched on. If pyrotechnic components (e.g. airbag or belt tensioner) are inexpertly repaired, this may result in unwanted triggering after connecting the battery. There must not be anyone in the vehi‐ cle while you are connecting the battery.

– Connect battery earth wire with ignition switched on ⇒ Elec‐

trical system; Rep. gr. 27 .

– Finally read out fault memory for airbag control unit using

⇒ Vehicle diagnostic, testing and information system VAS 5051 and rectify faults as necessary.

Tightening torque ⇒ page 86

88 Rep. gr.69 - Passenger protection