VOLKSWAGEN Phaeton User Manual

Service.

Self-Study Programme 270

The Phaeton

The Phaeton — Volkswagen's flagship — is
based on developments in the international mar­ket for luxury goods: a product's quality alone is
no longer sufficient to guarantee success in
highly-developed markets. The prestige and
value of the brand are decisive in influencing
purchase decision-making.

Customers' brand awareness is becoming
increasingly manifest, thereby necessitating
Volkswagen's entry into the higher-class seg­ment.
The launch of the Phaeton witnesses the develop­ment of a product which meets customers' techni­cal requirements as well as satisfying the value
and prestige demands made on the Volkswagen
brand.

There are separate self-study programmes on the following topics:

W-engines (SSP248/250),
Air-conditioning/Heating (SSP271),
On-board network (SSP272),
Convenience and safety electronics (SSP273),
Infotainment (SSP274),
Air suspension (SSP275),
Automatic distance control ADC (SSP276),
Chassis (SSP277).

The self-study programme illustrates the structure

and operation of new developments!

Contents will not be updated.

2

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NEW Caution

Note

Please refer to the appropriate service material for current
test, setting and repair instructions.

At a Glance

In a nutshell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

Bodywork . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Passenger protection. . . . . . . . . . . . . . . . . . . . . . . . . . .26

Engines. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32

Gearbox . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38

Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50

Convenience electronics . . . . . . . . . . . . . . . . . . . . . . . .52

Electrics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56

Heating/air-conditioning system . . . . . . . . . . . . . . . . .66

Infotainment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70

Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

3

In a nutshell

The Phaeton name

The Phaeton or Phaethon name is originally
derived from Greek mythology. Phaeton (the
'incandescent') was the son of the sun god
Helios, who was the owner of the sun chariot.

Derived from this, Phaetons also refer to the
four-wheeled walking coaches which have been
popular since the 18th century. This refers to open
owner-driver carriages, featuring a trestle seat
for 2 persons with or without a canopy top.
Behind the trestle seat there is a seat for one or
two passengers facing forwards.

Even nowadays, these Phaetons are driven at
special tournaments - original specimens having
become extremely coveted collector items.

At the onset of the 20th century, the term
Phaeton stood for touring carriages with a fabric
canopy and without side windows.

The name’s phonetics*

Phaeton - How’s it pronounced?

Phaeton is pronounced as follows:

Fay - ton.

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The ending is spoken with an unvoiced 'N', comparable with the pronunciation of the word Futon, Fla-
con or Anton.

*Phonology

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4

4

Phaeton’s place in
automotive history

Since 1910, August Horch endowed some of
his models with the “Phaeton” suffix.
The Horch 18/90 bhp 450 Phaeton 1931, the
Horch 12/28 bhp Phaeton 1911 as well as the
Horch 853A Parade Phaeton with only three
specimens dating from 1937, the last remain­ing model of which is being traded at
US$ 334,000, are just a few examples.

The fact that Volkswagen has chosen the
name Phaeton for the group's flagship is an
indication of the continuation of a tradition of
making superior quality-control requirements
in the production phase, thus providing the
ultimate in exclusivity for each future owner of
a Phaeton.

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Horch 18/90 bhp 450 Phaeton, 1931-32

Horch 12/28 bhp Phaeton, 1910-11

Horch 853A Parade Phaeton, 1937

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5

In a nutshell

The concept

The transparent factory represents a further
significant milestone for Volkswagen's cus­tomer-oriented manufacturing and delivery.
Not only has the exclusive Phaeton led to the
building of an impressive production line in
Dresden, but it has also engendered the
inception of a polished and precisely-func­tioning logistics concept. In addition to these
outstanding technical production details, pur­chasers of this high-grade automobile can
expect a perfectly-arranged vehicle transfer
corresponding to an event of superlative
pomp.

The Transparent

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The production

Contrary to the popular opinion that automobile
manufacture is irrevocably linked with dirt and oil,
the vision of manufacturing evident in Dresden
depicts production in an almost noble light. The core
element of the manufacturing process features over­lapping conveyor belts with fine wood parquet
instead of metal lines. This high-grade optical char­acteristic in the production line is reminiscent of a
manufacturing atmosphere otherwise witnessed
only in elite luxury sports car forges.

6

6

Factory

The logistics

An automated system steers the baskets con­taining the vehicles' individual components
through the factory. The basket 'accompanies'
the corresponding vehicle throughout the
assembly stage. This avoids unnecessary jour­neys. The chassis, including the engine, gear­box and exhaust system, as well as the body
are simultaneously mounted on different
floors, being transported to a different level in
a glass elevator, before being finally assem­bled into the complete vehicle. Once the man­ufacturing process has been completed, the
Phaeton is once again placed on the overlap­ping conveyor belt before receiving its finish­ing touches and its final check.

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The event*

An exclusive automobile cries out for the
appropriate stage-management of its deliv­ery. Customers are the centre of attention in
the transparent factory's emotionally and
technologically impressive discovery area.
Potential Phaeton owners are treated to a
birds-eye view of production via livecam dur­ing a Virtual Production Tour.

*happening, show

7

7

In a nutshell

The Phaeton

This two-page spread affords an overview of technical innovations. Detailed descriptions of the individ­ual topics can be found in this and other Phaeton self-study programmes.

Phaeton innovations

● Rear window heated by practically invisible

tungsten threads

● Mudguards and spare tyre recess made of plastic

● Fully-galvanised body

● Tail lights with

2-colour LED technology

● Antennae invisibly

integrated in the rear window

● Extremely narrow body jointing, PVC-free

underbody protection

● Doors, engine bonnet and tailgate

made of aluminium

● Superior paintwork, anti-scratch,

exceptional brilliancy

● Air-conditioned 12- and

18-position seats, keyless access
function, automatic distance control,
multifunctional steering wheel

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● Infotainment system with navigation, TV and radio/CD, CD changer in the glove

compartment, 4-zone air-conditioning, solar roof

8

● Surrounding illumination via front, rear and forward lighting

simplifies orientation when getting out of the car in the dark

● 4-corner air suspension with automatic control

● Electro-mechanical high-pressure nozzles for cleaning headlights

● Xenon headlights with

automatic headlight range
control

● Heated, heat-insulating and infrared-reflecting windscreen

● Side and rear windows made of twin-pane laminated safety glass

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9

Technical data

1450

1628

1903

1612

2881 10511121

5055

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10

Dimensions and weights

Length 5,055 mm

Width 1,903 mm

Height 1,450 mm

Wheelbase 2,881 mm

Turning circle 12 m

Ta nk vo lu me 9 0 l

Front track width 1,628 mm

Rear track width 1,612 mm

Total permitted weight 2,600 - 2,990 kg*

Empty weight 1,995 -2,413 kg*

Luggage compartment
space

Drag coefficient 0.32 c

500 l

w

*depending on the engine

Aerodynamics

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The aerodynamics

The Phaeton has a low drag coefficient of 0.32 cw — a level which was achieved by applying various
measures:

● The underbody has an extremely smooth design,

● The windscreen wipers are embedded,

● The body gap dimensions are very low,

● The front has an arrow-shaped design and

● The body is lowered at higher speeds.

Small features such as the retractable headlight cleaning nozzles, the antenna-free body and the smooth
body transitions are also responsible for this low drag coefficient.

11

Bodywork

The raw bodywork of the Phaeton

The body structure

The Phaeton's bodywork is a complete innova­tion.

The core design focus involved a high level of
crash safety and body rigidity. The gap dimen­sions of the flaps and doors prove to be very low
due to the high body rigidity.

Static rigidity

The extremely high static rigidity is a
prerequisite for:

- optimal chassis design
due to almost complete lack of inherent
movement within the bodywork and

- excellent door and flap functioning
with the tightest of gap dimensions.

Doors and flaps are made of aluminium and the
front mudguards are made of plastic in order to
limit the weight while still observing the high
safety and comfort requirements.

Furthermore, the bodywork consists of high­grade and super high-strength steels and is com­pletely galvanised.

12

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Safety features of the raw bodywork

● High energy absorption at the front and

rear of the vehicle

● Stable passenger compartment

● High protection in event of side impact

due to the:

- bonding of the B-pillar made of super
high-strength steel with the side member,

- high-strength aluminium profiles in
the doors

● Partner protection: Due to the relatively soft

external bodywork areas, the crash
performance is designed to afford maximum
protection to other parties involved in
an accident.

● Use of high-grade and super

high-strength steel
in important areas

Dynamic rigidity

The high dynamic rigidity is a
prerequisite for:

- advantageous vibration
characteristics and thus for a high
level of comfort and

- acoustic comfort
(no noises caused by movement of

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the interior panelling).

Key:

red = main frontal crash area
yellow = passenger compartment
green = main rear crash area
dark blue = epoxy resin foam
light blue = plastic reinforcement

13

Bodywork

Bodywork attachments

Aluminium parts

● Engine bonnet

● Reinforced doors

● Ta il g at e

Plastic parts

● Front mudguard

● Fuel cap

● Spare tyre recess

● Front and rear bumpers

14

Key:

blue = aluminium parts
brown = plastic

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Glued-in-place plastic spare tyre recess

The following components are integrated in the spare tyre recess:

- Compressor for air suspension,

- Activated carbon filter and

- Spare wheel.

Doors with high-strength inner sections made
of die casting, laser-welded

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Detailed view of spare tyre cavity, from below

15

Bodywork

The silencers

Sound deadening was already a major issue when developing the body-in-white. The consistent deploy­ment of absorption materials in the engine compartment, tunnel, luggage compartment and behind the
panelling has led to the attainment of an above-average reduction in noise.

Diesel and petrol engine

The two-tone insulating foils demonstrate the different insulation methods in the diesel and petrol engine.

16

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Key:

blue = aluminium expansion foil, 4.5 mm sandwich
green = bitumen plastic-foil, pressure-sensitive bonding, 2 mm
red = bitumen plastic-foil, magnetised, thermoplastic bonding 2 mm
orange = bitumen plastic-foil, thermoplastic bonding 2 mm
pink = bitumen foil with aluminium foil, magnetised, 3 mm
blue/red = blue - diesel, red - petrol engine
blue/orange = blue - diesel, orange - petrol engine

High-insulation glazing & laminated glass

The high-insulation glazing made of laminated
glass distinguishes itself with its improved reduc­tion of thermal exposure, however, without influ­encing permeability to light.
The glazing reduces ultraviolet radiation and
contributes to an improved noise insulation. This
is facilitated by two foils incorporated into the
glazing. The rear and side windows are also
manufactured with thermally-tempered lami­nated glass with an infrared reflective coating.
This improves safety as laminated glass panes
cannot shatter due to their incorporated safety
foils.

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Ultraviolet protective foil

Infrared reflective coating
(heated windscreen)

Windscreen

● Two-layer, burglar-inhibiting,

heat-insulating, laminated safety glass

● Electric windscreen heating

(optional) with invisible filaments
through an electrically conductive
infrared reflective coating.

● The heated windscreen is switched on and off

using the 'Defrost' button at the
display and operating unit at the front

Rear window with tungsten threads

The rear window is heated by practically invisible
tungsten threads which are embedded between
the inner and outer pane. Furthermore, all anten­nae are integrated in the upper third of the rear
window. The external streamlined quality is there­fore not impeded by bothersome antennae.

Heating duration depending on
outside temperature:

5 to 0 °C = 2 minutes

-20 °C = 4 minutes

-40 °C = 6 minutes

In order not to overload the on-board network,
the heating is switched off after a specific time­frame, depending on the outside temperature.

Antennae Heated sections

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17

Bodywork

The tailgate

Power-assisted closing of the tailgate

The Phaeton is also available with a system allowing the
driver to automatically open and close the tailgate.

This power-assisted closure is not only a comfort feature
but is also an enhancement of the entire locking mecha­nism.

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Retractable rear lock with closing aid

The lock is retracted when opening the tailgate,
thereby eliminating the risk of injury. The retrac­tion of the lock also prevents the possible soiling
of clothing by the oil or grease present in the
lock.

When closing the tailgate, the lock re-emerges
from the tailgate into locking position during the
final third of the closing procedure. Then it pulls
the tailgate the final centimetres into the lock and
locks it (closing aid).

18

Retractable rear lock

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Function of the power-assisted closing

Closing

The power-assisted closing is based on an elec­tro-hydraulic system. Oil is pumped into the
hydraulic line system by an electric pump. The
feeding of oil to the piston or piston-rod end of
the hydraulic cylinder facilitates the opening or
closing of the flap via a driving shaft at the door
hinge. The pump is incorporated at the right of
the tail section.

Opening

To open the tailgate, operate either the switch in
the door panelling, the microswitch in the VW
emblem on the tailgate or the radio-wave remote
control.

The switch in the tailgate serves the purpose of
closing the tailgate.

Safety equipment

The power-assisted closing has an anti-trap fea­ture. If the electric motor in the hydraulic compo­nent perceives resistance which exceeds a
defined level, power-assisted closure is not
merely stopped but reversed* a little in order to
release the jammed object. The same procedure
is adopted when opening. If, for example, it hits
a low garage roof, the motor stops for a moment.
However, the tailgate then remains in this posi­tion without reversing. Renewed actuation is then
required.

*moves back

Door hinge

Gas-assisted shock
absorber

Oil supply, left
hydraulic element

Oil supply, right
hydraulic element

Hydraulic
component

Electric motor

Hydraulic cylinder

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19

Bodywork

The sliding roof

The Phaeton is available with a solar sliding roof with a fixed inside roof lining and a sliding roof / lifting
roof with a separate electrically-sliding inside roof lining.

Solar sliding roof

The solar roof's 28 monokristallin solar cells supply an electrical output of 37 watts. This energy is used to
operate the interior ventilator which is capable of reducing the temperature by up to 20 °C, when the
vehicle is parked, by feeding fresh air into the vehicle's interior.

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If the interior ventilation has been activated via
the Infotainment system, the interior ventilator
starts operating when there is sufficient sunlight.

This cools down the interior at high temperatures.
The circulation of air prevents the windows from
misting in winter.

20

Sliding roof / lifting roof with solar shading and an electrical wind deflector

A separate electric motor moves the inside roof
lining at the same time as the glass roof is
opened or closed. This can also be adjusted
regardless of the glass roof's position.
All closing procedures are electronically moni­tored and have an anti-trap feature.

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Depending on the driving speed and the roof opening, the wind deflector is controlled electro­mechanically in order to prevent wind noise and draughts.

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21

Seats

The front seats

The Phaeton is also available with air-condi­tioned seats. Air-conditioning is provided
through the interaction between the seat heating
and ventilators.
The ventilators, which are integrated in the seat
frames, feed the air heated by the seat heating
to the occupants through fine perforations in the
seat leather. The massage function is imple-

The 12-position seat

Adjustment function

As standard, the Phaeton comes with 12-position
seats. The following functions are electrically
adjustable: longitudinal direction, seat height
and inclination, as well as the backrest inclina­tion. Furthermore, the movement direction of the
lumbar support is adjustable both backwards/
forwards and up/down.

mented by a slow adjustment of the lumbar sup­port. The belt mechanism integrated in the seat
endows the Phaeton with an even greater level of
comfort. Furthermore, the optional second auto­matic belt in the 18-position seat gives increased
belt comfort and improved safety. The Phaeton
also has an active headrest system (AKS).

Memory functions

The memory package for the 12-position seats
includes a range of saveable functions. In addi­tion to the seat settings, the memory function can
also save the positions of the steering column,
the mirror and the seat belts.

Easy-entry function

The easy-entry function facilitates the convenient
getting in and out of the vehicle by automatically
moving the steering column into its uppermost
and furthest-forward position.

Air-conditioning / massage function

Air-conditioning in the 12-position seats is pro­vided by ventilators - which are integrated in the
seats - and which feed temperate air through the
fine perforations in the leather. The massage
function is implemented through the mechanical

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4-position lumbar support.
The lumbar support is moved automatically up
and down, thus facilitating the relaxation of the
spine and back muscles.

22

The 18-position seat

Adjustment function

As an optional extra, the Phaeton comes with
high-quality 18-position seats.
They also offer the option of adjusting the back­rest head and the seat depth, as well as an elec­trical adjustment of the headrest.

The 18-position seat can be equipped with an
automatic lap belt on request.

Memory functions

In addition to the functions featured in the 12­position seat, the memory package for the 18­position seat also offers the option of saving the
positions of the headrest, the seat depth and the
backrest head.

Air-conditioning / massage function

The range of air-conditioning functions in the
18-position seats is equivalent to that of the
12-position seats.

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23

Seats

The rear seats

The Phaeton comes with three seating versions for rear-seat occupants:
individual seats, back seat and the 'Premium' back seat

The individual seats

The Phaeton version with the 18-position seat also
comes with the option of 10-position individual
rear seats.
The individual seats can be adjusted electrically
with regard to longitude and inclination. The
headrests and 4-position lumbar support are
also electrically adjustable. The individual seats
are air-conditioned with temperate air which is
fed through the perforations in the leather.

Moreover, the memory function in the version
with individual seats also offers the option of
saving several seat positions.
The control unit for the rear seats is incorporated
into the centre console at the rear.
This is also the location of the control dial for the
rear seat heating. Moreover, the passenger seat
can be moved forward with a separate button.

24

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The back seat

The back seat in the standard version can com­fortably accommodate three people. Side air­bags and manual headrests (adjustable in height
and inclination) are also provided.

The following features have been added to the
comfort-orientated 'Premium' back seat system:
electrical lumbar support in the outside seats
including ventilation, massage and seat heating,
as well as headrests whose height can be electri­cally adjusted.

The controls for the rear seats are attached later­ally to the seat cushion.

The control dials for the back seat heating are
located in the centre console at the rear.

Moreover, the passenger seat can be moved for­ward with a separate button.

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25

Passenger protection

General passenger protection

The Phaeton has sophisticated active and passive
safety equipment. Volkswagen has redefined
safety standards in luxury class cars by deploy­ing lighter but high-strength materials, improved
deformation features, curved edges and shatter­proof plastics, all-round safety glazing, improved
airbag sensory mechanism and optimised belt
tensioning systems. Phaeton not only places an

Airbag systems

The Phaeton is equipped with 4 different airbag
systems. All airbags are triggered by the airbag
control unit which registers the gravity of the
accident via the early-crash sensors, thus pre­venting the unnecessary triggering of the airbags
in the event of a minor accident. Details of the
type and gravity of a collision are fed to the con­trol unit by sensors which are located at the front
headlight mounting.

emphasis on your own safety, but also on the
safety of other vehicles involved in the event of a
collision. The improved deformation behaviour
of the Phaeton's bodywork decreases the dam­age incurred by other vehicles involved in an
accident situation.

Furthermore, all airbags are 'depowered' in
order to prevent injury when the air sacks are
being opened.
'Depowered' means that the airbag opening
flaps and the folding of the airbags have been
optimised to an extent which reduces the agres­sive effect of the triggering of the airbags on the
occupants.

26

Airbag deactivation

The front and side airbag for the front passenger
can be deactivated with the ignition key. For this
purpose, a lock is located in the centre console
next to the selector for the automatic transmis­sion. Here one can use the ignition key to select
one of two positions (Airbag on/Airbag off).

On the other hand, the side airbags at the rear
and the head airbag at the passenger side can­not be deactivated. However, they only receive a
trigger signal from the airbag control unit when
the lateral crash sensors register a corresponding
impact.

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The Phaeton is available with the following airbag systems:

- Driver and front passenger
airbag (ca. 75l/120l),

- Side airbag at front and rear (ca. 12l),

- Head airbag (ca. 31l).

of a crash by an internal and two external longi­tudinal acceleration sensors. The side airbags
are triggered by the airbag control unit which
has one internal and four external traverse

acceleration sensors at its disposal. The head air­The driver and front passenger airbags are trig­gered by the airbag control unit. The control unit

bags are triggered electrically in conjunction

with the side airbags.
is fed information regarding the type and gravity

Rear side airbag Front side airbag

Front passenger airbag Driver airbag

270_023 270_025

Head airbag

270_026270_019

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27

Passenger protection

Belt system

All seats on the Phaeton possess three-point
retracting seat belts with belt tension limiters. Fur­thermore, all outside seats are fitted with pyro­technical seat belt tensioners which are triggered
by the central control unit if the gravity of the
accident is deemed sufficient.
The 18-position seat version is also available with
an optional belt system which is fitted with an

The comfort mechanism
on the shoulder belt tensioner

A force greater than that used in conventional
belt buckles is required in order for the automatic
'Rollgurt' to retract the compound insertion
tongue into its starting position in the double
retractor system on the 18-position seat. However,
in order not to transmit this force to the vehicle
occupants, a mechanism in the automatic shoul­der seatbelt is used which can vary the force
exerted on the belt.

additional automatic lap belt. This extra auto­matic belt is attached to the side of the seat. In
conjunction with the automatic shoulder seatbelt,
it facilitates the simultaneous tightening of the
belt in the occupants' shoulder and lap area. In
the event of a collision, this leads to an early and
extremely effective coupling of the occupants
and vehicle.

If a seat allocation is recognised by means of a
belt buckle check, the mechanism reduces the
force in the automatic shoulder seatbelt when it
is being used. This prevents the seatbelt from
exerting too much pressure on the occupant's
upper body. The full force is once again availa­ble when the seatbelt is released.
The mechanism is incorporated into the auto­matic shoulder seatbelt.

28

Comfort
mechanism

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Front automatic shoulder seatbelt

In the standard version — the 12-position seat —
an automatic shoulder seatbelt ensures optimal
safety. This means that in the event of a collision,
the seatbelt is tightened around the occupant's
shoulders via the B-pillar.
The shoulder belt has a spherical tensioner.

Automatic lap belt (optional)

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The second automatic belt, which is attached to
the side of the seat in the 18-position seat, affords
increased safety as it simultaneously applies
additional tension to the lap belt along with the
automatic shoulder seatbelt. The automatic lap

belt also results in an increase in comfort as it is

attached to the seat and is suitable for all seat

positions. The ensuing increase in freedom of

movement brought about by this gives one the

sensation of not being belted in.

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29

Passenger protection

Headrests

The front seats in the Phaeton are fitted with an
active headrest system (AKS). Through a forward
displacement of the headrests and the ensuing
avoidance of relative accelerations between the
shoulders and the head, this system lowers the
risk of cervical spine injury in the event of a
crash. The reversible system continues to be fully
operable after the triggering of the AKS.

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The mode of operation

The AKS is triggered only by a collision at the
vehicle's rear. In the event of a frontal crash, its
triggering is prevented by a safety block.

If an accelerating force in the travelling direction
is applied to the rear of the vehicle, the move­ment of the occupants is delayed by inertia. The
body is therefore pushed into the seat. Due to this
increased pressure on the backrest, a bent lever
is turned in a way which causes the headrest to
move upwards and forwards. This direction is
determined by a rail guide in which the headrest
is located.

Impeding weight

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30

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The full range of functions as well as the correct protective function of the active headrest system
requires a body-specific seat setting for the respective occupants.

Installation/removal
(Only applies to 18-position seats with the 'lap-belt tensioner' option.)

The seatbelt has to be separated from the seat in
order to remove the seats. This is done by
detaching the insertion tongue's plastic covering
and the subsequent removal of the metal pin
which is secured with a sheet metal lock. As seen
in the illustration, the insertion tongue's housing

Original closed state

is sawn open at the two joints with a little hack-

saw. The topside can then be removed.

Once the pin has been removed, the belt can be

separated from the insertion tongue and the seat

can be removed.

Saw the joints

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Opened state with removed metal pin

Remove the pin

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When carrying out assembly tasks on the lap-belt winders, please ensure that the underpart of
the housing is not damaged!
If damage should occur, the complete lap-belt winder is to be replaced!

31

Engines

The Phaeton engines

The Phaeton is available with a choice between
two petrol engines and one diesel engine.

The entry-level motor is a 3.2l V6 petrol engine.
This motor is an advancement of the 2.8l V6 pet­rol engine.

The launch of the Passat W8 witnessed the intro­duction of a new Volkswagen engine series:
W-engines. The absolute highlight of this engine

3.2l V6 petrol engine

series — a W12 petrol engine with a 6.0l dis­placement — is available in the Phaeton. All pet­rol engines work with 4-valve technology and
conform with the EU4 exhaust emission standard.

A 5l V10 TDI diesel engine with a pump-jet injec­tion system is the top engine version available in
the Phaeton.
It is the most powerful series passenger-vehicle
diesel engine in the world.

32

6.0l W12 petrol engine 5l V10 TDI engine

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270_058270_056

The 3.2l V6 petrol engine

is an advancement of the Volkswagen 2.8l V6
engine. The construction principle of applying a
narrow V-angle of 15°, and its associated advan­tages resulting in a low overall length and width,
has been adhered to. The displacement increase
to 3.2l, in conjunction with its first-ever longitudi­nal mounting in a vehicle, required a complete
overhaul of the engine. The engine's increased
displacement was rendered possible by extend­ing the piston stroke while simultaneously aug­menting the cylinder bores.

Innovations in engine mechanics with respect to the 2.8l V6 petrol engine

270_142

● Continuous intake and exhaust camshafts - adjusted by vane pump regulator

● Intake and escape channels with considerably increased flow capacity

● Inlet and escape valves with enlarged diameter

● Crankshaft with enlarged stroke

● Cylinder crankcase with larger bore

● Optimised variable intake manifold with pressure-regulated crankcase ventilation

● Water-cooled alternator

● Oil filter and cooler unit integrated in the engine bracket

Technical features of the “Bosch Motronic ME 7.1.1” engine management system

● Electrical throttle valve operation

● Constant Lambda regulation by 4 Lambda sensors with 2 pre-catalytic-converters and

2 post-catalytic-converters

● Control of the inner exhaust gas recirculation via the camshaft adjustment

● Secondary air injection

● European On Board Diagnostic System (EOBD) with exhaust gas indicator light

● Electronically-regulated fan control

33

Engines

Technical data 3.2l V6 engine

Engine code AYT

Construction VR engine

Displacement 3189 cm

Bore 84 mm

Stroke 95.9 mm

Compression ratio 11.25:1

Valves per cylinder 4

Max. output 177 kW at 6200 1/min.

Max. torque 315 Nm at 2400 1/min.

Engine management Bosch Motronic ME 7.1.1

Fuel ROZ 98 (reduced performance with ROZ 95)

Exhaust treatment Three-way catalytic converters with constant Lambda regulation

3

Exhaust emission standard EU 4

Torque and performance chart

Torq ue (Nm) Pe rforma nc e (kW)

360

320

280

240

200

160

120

160

120

100

180

140

80

60

The 3.2l V6 engine achieves its maximum
torque of 315 Nm at an engine speed of just
2400 1/min.
This facilitates changing up to the next gear at
low engine speeds, thus increasing fuel effi­ciency.

The nominal output of 177 kW/241 bhp is
achieved at 6200 1/min.

34

80

40

0

2000

4000 6000

40

20

1/min.

270_032

The 6.0l W12 petrol engine

With the W12 engine, Volkswagen is offering a
12-cylinder engine in its range for the first time
ever. It is the most powerful engine version avail­able in the Phaeton.

Engine mechanics technical features

● Cylinder block made of aluminium

● Bottom crankshaft bearing in grey cast iron

bearing blocks

● Oil pump driven by a chain

● Very com p act en gin e

Engine management technical features

● Two motor controllers

● Secondary air injection

● Exhaust gas recirculation

Technical data

Engine code BAN

Construction W engine

Displacement 5998 cm

Bore 84.0 mm

Stroke 90.186 mm

Valves per cylinder 4

Compression ratio 10.75:1

Max. output 309 kW at 6000 1/min.

Max. torque 550 Nm at 3500 1/min.

Engine management Bosch Motronic M 7.1.1

Fuel ROZ 98

Exhaust treatment Three-way catalytic converter with

constant stereo Lambda regulation

Exhaust emission
standard

EU 4

3

270_056

Torque and performance chart

Torque (Nm) Performance (kW)

660

600

540

480

420

360

300

240

180

120

60

0

2000

4000 6000

330

300

270

240

210

180

150

120

1/min.

90

60

30

270_172

Please refer to the self-study programmes nos. 248 and 250 for detailed information on the
W engine concept.

35

Engines

The 5l V10 TDI engine

The V10 TDI engine is a recently developed die­sel engine. Combining an innovative lightweight
construction with enormous power, it is equipped
with the pump-jet injection system.

Engine mechanics technical features

● Cylinder block made of aluminium with a

grey cast iron bearing tunnel

● Joining of cylinder head and cylinder

block via tie-rod screw connection

● Balancer shaft for reducing vibrations

● Control and ancillary unit driven by

gearwheels

Engine management technical features

● Two motor controllers

● Charged by two adjustable turbochargers

Technical data

Engine code AYH

Construction V engine, 90° V-angle

Displacement 4921 cm

Bore 81 mm

Stroke 95.5 mm

Valves per cylinder 2

Compression ratio 18.5:1

Max. output 230 kW at 4000 1/min.

Max. torque 750 Nm at 2000 1/min.

Engine management Bosch EDC 16

Fuel Diesel 49 CZ min. or biodiesel

Exhaust treatment Exhaust gas recirculation and

oxidation catalytic converter

Exhaust emission
standard

EU 3

3

270_058

● Exhaust gas recirculation effected with

pneumatically-controlled exhaust gas
recirculation valves in conjunction with

Torque and performance chart

Torq ue (Nm) Pe rforma nc e (kW)

1000

800

600

400

200

0

2000

3000

4000

1/min.

250

200

150

100

50

0

36

270_173

The fuel tank

The fuel tank is mounted on the vehicle's under­body close to the rear axle. It has a filling volume
of 90 litres. Due to its external shape, it consists
of a main and secondary chamber.

Both fuel tank chambers have an electrical fuel
pump and a sucking-jet fuel pump.

Reserve tank
(only in vehicles with petrol engine)

Each electrical fuel pump is assigned two send-

ers for fuel supply, a fuel sender and a lever

sender.

The four senders for fuel supply directly transmit

their signals to the dash panel insert.

Main chamber

Fuel filter

270_112

Fuel pump 1

Sucking-jet pump 1

Fuel pump 2

Secondary
chamber

Sucking-jet pump 2

37

Automatic transmission

The automatic transmission

Depending on the engine, the Volkswagen Phaeton is fitted with one of two 5-speed automatic transmis­sions or a 6-speed automatic transmission.

The 5-speed automatic transmission

Both 5-speed automatic transmissions are cur­rently already in use in other vehicles from the
Volkswagen Group. They have been modified
and adapted for installation in the Phaeton. An
electronic/hydraulic system is used for control­ling the two automatic transmissions.

Furthermore, both 5-speed automatic transmissions have:

- a dynamic shift programme and also a sport programme,

- a regulated torque converter lockup clutch,

- and a Tiptronic shift programme with steering wheel switches.

The 5-speed automatic transmission 01V

Installed in the front-wheel drive Phaeton in con­junction with the

To this end, the automatic transmission's control
unit registers operating conditions, the driver's
wishes as well as external influences such as
travelling uphill or downhill. Shifting between the
5 gears is effected by the control unit with
regards to all incoming data.

- 3.2l V6 engine.

Maximum torque transmission: 310 Nm

The 5-speed automatic transmission 01L

Installed in the Phaeton 4-Motion with the

6.0l W12 engine.

A Torsen centre differential (PAT) is integrated in
the gearbox in order to distribute the torque to
all four wheels.
Maximum torque transmission: 560 Nm

270_104

270_105

38

The 6-speed automatic transmission

The Phaeton is the first Volkswagen vehicle to be
fitted with a 6-speed automatic transmission.
The specially-developed automatic transmission
is installed in the Phaeton in conjunction with the
new 5l V10 TDI engine with 4-Motion.

Compared with the 5-speed automatic transmis-

Technical features

sions, it is especially characterised by:

Gearbox description: 09F

- an improved driving performance,

- a reduction in fuel consumption and

Max. input torque: 750 Nm

exhaust emissions,

- a weight reduction of approx. 14 kg,

- a reduction in the number of components by

approx. 30% and by a high shifting
spontaneity with excellent shifting quality.

Furthermore, the automatic transmission has:

- a dynamic shift programme and also a sport programme,

- a regulated torque converter lockup clutch and

- a Tiptronic shift programme with steering wheel switches.

270_135

39

Automatic transmission

The six automatic transmission gears are shifted via a Ravigneaux planetary gear set with a series-con­nected simple planetary gear set.
This arrangement is known as the Lepelletier gear-set concept.

Lepelletier gear set

Simple planetary gear set Ravignaux planetary gear set

Internal gear 1

Planet gear

Sun gear 1

Turbine shaft

Control of the automatic transmission is effected
by a control unit known as mechatronics. This is a
combination of an electronic control unit and a
hydraulic switching device (control valve assem­bly).
Gear changes can be controlled more exactly
than before due to mechatronics. This provides
drivers with an optimised shifting quality and an
increased level of driving comfort. Using the

Internal gear 2

Planet gear, short

Planet carrier

Sun gear 2

Sun gear 3

Planet gear, long

270_221

incoming sensor signals, the control unit recog­nises the current state of the gearbox and the
driver's intention, reacting to these with adjusted
shift points.
Driver wishes ranging from an extremely sporty
to a very economical driving style are recognised
and taken into consideration. Mechatronics is
arranged within the gearbox, located directly at
the control valve assembly.

40

Multifunctional switch F125

Control unit for

automatic transmission J217

Hydraulic switching device
(control valve assembly)

270_240

Selector lever positions

The selector lever and Tiptronic functions are the same in the 5-speed automatic transmission and the 6­speed automatic transmission.

P - Parking

In order to move the selector lever from the 'P'

position, the ignition has to be turned on and

both the brake and the selector lever's locking

key have to be pressed.

R - Reverse

The brake and the selector lever's locking key

have to be pressed in order to apply the reverse

gear.

N - Neutral

The gearbox is idling in this position. No power is

being transmitted to the wheels.

D - Automatic gear changing

When the selector lever is positioned at 'D', gear

change from gear 1 to 5, or gear 1 to 6 in the 6-

speed automatic transmission, is effected auto-

matically.

S - Sport

In this selector lever position, the automatic trans-

mission shifts according to sporty characteristics.

The gears are extended further and the shift

points occur at higher engine speeds.

41

Automatic transmission

Shift programme and gear indicator in the
dash panel insert

In both the 'D' and 'S' automatic shift pro­gramme, the engaged selector lever position and
the gear being currently used are displayed in
the dash panel insert.

P
R
N
D3
S

123.4 km 12.3°C 123456 km

The respective gear being used is displayed in
the dash panel insert if the automatic transmis­sion is in the Tiptronic shift programme.

270_109

P
R
3
D
S

123.4 km 12.3°C 123456 km

42

270_108

Tiptronic

The Phaeton's Tiptronic is available as a selector­lever Tiptronic and also comes with switches on
the steering wheel for operating the Tiptronic.

Selector-lever Tiptronic

The automatic transmission is switched to Tip­tronic mode by moving the selector lever from
the 'D' position into the Tiptronic aisle.

Gear change now has to be effected by moving
the selector lever.

Moving the gear-shift lever forward switches up
a gear, moving it back moves down a gear.

Steering wheel - Tiptronic switches

These steering wheel switches, which have been
tried and tested in the world of motor sport, offer
an optimally ergonomic actuation for gear selec­tion. Here you use:

- the switch on the right to move up a gear and

- the switch on the left to move down a gear.

If the selector lever is in the 'D' or 'S' positions
when the steering wheel switches are pressed,
the automatic transmission control moves into
Tiptronic mode. Control automatically reverts to
the previously selected 'D' or 'S' programme if
the steering wheel switches are not pressed
again.

270_029

270_096

43

Automatic transmission

The selector lever block

The magnet for selector lever block N 110

is located on the selector lever frame below the
selector lever. It prevents the actuation of the
selector lever from the positions 'P' and 'N' when
the brake is not being applied.

How it works

Once the ignition has been turned on, the mag­net for the selector lever block is put under cur­rent by the control unit for automatic
transmission, thus blocking the selector lever. If
the control unit receives the signal 'brake
applied', it cuts off current to the magnet and the
selector lever can be moved.

Magnet for selector lever block

CAN-bus signal

'brake applied'

Control of

magnet N110

270_222

44

Effects of drop-out

If one of these two signals fails or if the magnet is
faulty, the selector lever can be moved out of 'P'
and 'N' without applying the brake — when the
ignition is turned on.

270_224

The magnet for selector
lever block 'P' N380

Also located at the selector lever. It prevents the
selector lever from moving out of the 'P' position
when the ignition is switched off. The brake
therefore has to be pressed and the ignition
switched on in order to move the selector lever
from the 'P' position.

It is possible to switch on the ignition via the switch for access and start authorisation and via
the button E408 for access and start authorisation.

How it works

The magnet for selector lever block 'P' is without cur­rent when the ignition is switched off, thus disabling
the selector lever in 'P' position. Once the ignition
has been switched on, a signal flows from the switch
for access and start authorisation E415 or from the
button for access and start authorisation E408 to the
access and start authorisation relay J 518. This then
sends current to the magnets for selector lever block
'P' and the disablement is removed. The switch F319
signals to the access and start authorisation relay
that the selector lever is in 'P' position.

270_157

Signal

'Ignition

switched on'

Signal to the

magnets for

selector lever block 'P'

Effect of drop-out

If one of the signals fails or the magnet for selector
lever block 'P' is defective, then the selector lever
cannot be moved out of the 'P' position. The disable­ment has to be manually unlocked for towing the
vehicle. For this purpose, the selector lever covering
is to be removed and the magnet actuated by hand.
The selector lever has to be simultaneously moved
out of the 'P' position.

270_225

270_157

45

Automatic transmission

The magnet for ignition key pull-out lock N376

It is located within the switch for access and start
authorisation E415 and prevents the ignition key
from being removed when the selector lever is in
a driving position. Compared with the previous
mechanical systems (by cable control), the igni­tion key pull-out lock in the Phaeton operates on
an electromechanical basis.

270_111

Extended inside tract

How it works

The ignition lock contains two spring-loaded
locking pins which engage in the extended inside
tract of the inserted ignition key.
The locking pins engage in the extended inside
tract of the ignition key if the selector lever is not
in 'P' position. The ignition key cannot be with­drawn.

When the selector lever is in 'P' position, a signal
travels from the switch for selector lever in 'P'
F319 to the access and start authorisation relay
J518. The control unit then sends current to the
magnet for the ignition key pull-out lock. The
locking pins are pulled out by the magnets and
thus removed from the extended inside tract of
the ignition key. The ignition key can be with­drawn.

Without current

Spring

Locking pins

Magnet for ignition key pull-out lock N334

270_152

Under current

J518

46

270_153

If the vehicle is equipped with a Start/Stop button, the driver receives a visual and acoustic
warning upon leaving the vehicle if the selector lever is not in the 'P' position.

Electrical circuitry

If the ignition is switched off and the selector
lever is in 'P' position, a signal travels from the
switch F319 to the access and start authorisation
relay J518. The control unit then sends current to
the magnets for the ignition key pull-out lock
N376 and the locking pins are released. The igni­tion key can be withdrawn.

In vehicles with a Start/Stop button, the control
unit signals to the dash panel insert that the
selector lever is not in 'P' position. The control unit
for the dash panel insert then triggers a visual
and acoustic warning. The driver is thus informed
that the selector lever is not in 'P' position.

'Selector lever in P' signal

Dash panel insert

270_226

Effects of drop-out

The electromechanical lock cannot be released
and the key cannot be withdrawn if the signal
from the selector lever to the control unit J 518 or
the signal from the control unit to the ignition lock
fails. In these circumstances, the ignition lock has
an emergency release for the ignition key.

Emergency release

Press the emergency release button with a pen or
similar object. While keeping the button pressed,
then turn the ignition key to the left and remove
it.

270_110

Emergency release

47

Manual gearbox

The 6-speed manual gearbox FWJ

The 6-speed manual gearbox has already
proven itself as the basic gearbox for the front­wheel and four-wheel drives in the engines lon­gitudinal mounting.
In the Phaeton, it is deployed as the front-wheel
drive gearbox in conjunction with the V6 engine.
In order to maximise convenience of use, actua­tion by means of a control cable is used instead
of a linkage gearshift. An appropriate support
has been specially developed on the gearbox
housing for the control cable mounting and for
the actuation of the shifter shaft in the gearbox.

Adjustment drift T10027

The ends of the cable are attached with locknuts
to the steering levers. Mass dampers support the
shifting movements and absorb vibrations.

In order to adjust the control cables, the gear­shift lever is locked in place in the left neutral
position by the adjustment drift T10027 when the
shift cables are loosened.
A stopping drift is located on the bearing hous­ing of the shifter shaft end on the gearbox hous­ing. This is turned to the right in order to secure
the shifter shaft in the left neutral position. The
cable ends can now be attached again.

Gear-shift lever

270_219

270_175

48

Shift cable

Mass damper

Steering lever

Locknut

Locknut

270_176

Stopping drift

270_218

Shifter shaft bearing housing

49

Chassis

The chassis in the Phaeton

The chassis with front-wheel and 4-motion drive
is combined with a 4-corner air suspension. This
facilitates an extremely sensitive activation of the
suspension even on slightly uneven driving sur­faces.

Electrically adjustable steering column
with electrical steering column locking

Tandem brake servo

4-corner air suspension with

Servotronic as standard

Bosch 5.7 with ESP and
braking assistant

regulated attenuation

Four-link front suspension

270_089

Assembled brake discs with
8-piston brake calliper

50

Tyres, extra-load design

Foot parking brake with mechanical
loosening device in the dash panel

Trapezoidal wishbone rear suspen­sion for front-wheel and four-wheel
drive

Alloy wheels

The chassis is described in detail in
SSP 277 “Phaeton - The Chassis”.

270_090

51

Convenience electronics

The memory functions

The vehicle offers a large variety of memory functions which are saved and accessed via various operat­ing panels. In addition to the functions controlled via the seat memory, user settings can be created using
the ignition key with radio-wave remote control.

These user profiles communicate via the main information display and operating unit and the access
and start authorisation relay.

Seat memory

Component Storable components/functions

Driver's seat Seat settings: Longitudinal adjustment, inclination adjustment, backrest inclination,

height adjustment, legrest adjustment, backrest head adjustment, headrest adjust­ment, vertical and horizontal lumbar support, outside mirror, remote control,
steering column (height and length adjustment), seatbelt height and interior mirror

Front passenger seat Seat settings: Longitudinal adjustment, inclination adjustment, backrest inclination,

height adjustment, legrest adjustment, backrest head adjustment,
headrest adjustment, vertical and horizontal lumbar support, seatbelt height

Rear seats (left / right) Seat settings: Longitudinal adjustment, inclination adjustment, vertical and

horizontal lumbar support, headrest

Main information display and operating unit

Component Storable components/functions

Air-conditioning system Air-conditioning functions right / left, front / back, air recirculation automatic

operation, solar ventilation and weekly timer for auxiliary heater

Tele p hone Activating the telephone functions: caller display

Navigation Display (map / symbol), route options, announcements (on / off), traffic jam alert

Audio - TV Preselection of radio station, CD, TV and volume, GALA, sound settings

Settings Units of measurement, volume, system language and settings for

orientation illumination (fade-out time)

Vehicl e Tyre pressure control, spare tyre monitoring

52

Board PC Choice of representation (from start, until destination, long-term)

The graphic below provides an overview of the controls and their associated memory function compo­nents. Please consult the appropriate chapters for a more precise description of the main information
display and operating unit controls and for information regarding seat adjustments.

Overview of memory components

Main information display and operat­ing unit at the front

Interior mirror

External mirror

Belt height adjustment

External mirror

Steering
column

Seat memory
control panel

Multifunctional
steering wheel

Memory control panel at the rear

270_208

53

Convenience electronics

The access and start authorisation system

The vehicle can be locked or unlocked and the engine can be started or switched off, without the active
deployment of the radio-wave remote control ignition key, by using the optional comfort features of the
access and start authorisation system.
The components and functions listed in the table are constituent parts of the access and start authorisa­tion system.

Ignition key with radio­wave remote control

Electromechanical
steering column locking
(ELV)

Switch for access and
start authorisation

Immobiliser III Immobiliser III as before, acting together with the switch for access and start

Softstart Via the CAN data bus drive and the access and start authorisation relay; also for

Fitting positions for
access and start authori­sation components

Radio-wave remote control as before, the access and start authorisation relay
analyses the radio signals; central locking functions via the
central control unit for the convenience system; tailgate remote control

Locking and unlocking of the steering column when inserting and removing the key
by the access and start authorisation relay, ELV is off-circuit as long as the key is
neither removed nor inserted, ignition can be activated only when the steering
column is unlocked

Automatic resetting of the ignition key to the neutral position after switching on the
engine, electrical pull-out lock: each key mechanically fits into the switch for access
and start authorisation and can be rotated; ignition occurs only once the ignition
key has been identified by the access and start authorisation relay

authorisation, the engine control unit and the ELV

prolonged stops in the starting position (terminal 50 on), in the switch for access
and start authorisation the starter is engaged only until the engine is running ­leading to improved starter protection and less noise

Access and start authorisation relay: left footwell under the carpet
Switch for access and start authorisation: on the right of the steering wheel
Electromechanical steering column locking: steering column
Rear antennae: bumpers
Shift-shaft antenna: shift-shaft covering panel
Tunnel antenna: rear tunnel on the cable channel
Central armrest antenna: rear seat central armrest / ski-bag cover
Hat rack antenna: modular hat rack
Button for access and start authorisation: shift-shaft covering panel
Electronic door handles: external door handles

54

Please consult self-study programme 273 “The Phaeton - Convenience and Safety Electron­ics” for further information on “Access and start authorisation”.

Convenience electronics

Button for access and

start authorisation

Switch for access and

start authorisation

Electromechanical

steering column

locking

Shift-shaft

antenna

Tunnel antenna

Central

armrest antenna

Hat rack

antenna

Access and start

authorisation relay

Electronic door

handles

Additional functions of the comfort features for access and start authorisation

Vehicle access without active
deployment of the ignition key

Starting the engine without
active deployment of the
ignition key

Turning off the engine
without active deployment of the
ignition key

Opening with radio-wave remote control using antenna and sensor in the
external door handle, key identification by the access and start authorisa­tion relay, unlocking via central control unit for the convenience system
and door control unit

Ignition key check in the vehicle interior via interior antennae, starting the
engine with the button for access and start authorisation, unlocking the
steering column with the access and start authorisation relay once ignition
key has been positively identified

Pressing the button for access and start authorisation

Rear antennae

270_209

Vehicle locking without active
deployment of the ignition key

Pressing the locking button in the external door handle

55

Electrics

Automatic distance control (ADC)

ADC is a driver-assistance system which enhances cruise control.
By reducing motor torque and the possible application of the brake, an ADC-vehicle is kept at a conven­ient distance behind a slower-moving vehicle in front.
Its function is clarified by the four traffic scenarios presented below.

Steady speed

There are no vehicles driving ahead within the
distance-regulator sensor's detection area. The
driver's desired speed is maintained.

Delay

When the ADC-vehicle approaches a slower­moving vehicle, speed is slackened by reducing
the engine torque and, if necessary, through a
moderate application of the brake. The driver is
prompted to take over the braking operation if
the delay is insufficient.

100 km/h

270_197

80 km/h

100 km/h

→ 80 km/h

270_198

56

Effects

The ADC-vehicle adapts itself to the speed of the
vehicle in front.

Acceleration

80 km/h

80 km/h

270_199

The ADC-vehicle accelerates to the desired
speed once the vehicle in front leaves the traffic
lane or the detection area.

80 km/h

80 km/h

→ 100 km/h

270_200

57

Electrics

Conditions for switching on and off the ADC

ADC system status is influenced by the left bank of buttons on the multifunctional steering wheel, the
accelerator, the brake pedal, the selector lever, as well as by the engagement of the vehicle's built-in
braking system.
The ADC system is always in a 'non-ready state' when the engine is started and has to be switched to
stand-by by pressing the ON/OFF key.

Switching on

The ADC system can be switched on at a driving
speed of between 30 and 180 km/h.
The keys have the following functions:

- The SET key adopts the current speed
as the desired speed. Repeated pressing
reduces the desired speed by 1 km/h each time.

- The RES key adopts the previous desired speed.
Repeated pressing increases the desired
speed by 1 km/h each time.

- The +GRA key or the -GRA key increases
or reduces the desired speed in increments of
10 km/h.

Switching off

- ON/OFF key, desired speed is lost

- CANCEL key, desired speed is maintained

- Stepping on the brake pedal

- Excessive application of the accelerator

- Selector lever in P, R, N

- Driving speed outside of the range
of 30 to 180 km/h

- Application of ESP, ASR, MSR, ABS

270_201

58

New components

The ADC function is made possible by the deployment of a distance sender in accordance with the radar
principle and by an active electronic brake servo.

Important data regarding the distance control sender include:

Transmit frequency: 76.5 GHz
Visual range: 150 m
Horizontal viewing angle: 12 °
Vertical viewing angle: 4 °
Speed measuring range: ± 180 km/h

Computer part

The electronic brake servo is a well-known tan­dem amplifier in which an integrated electro­magnet controls the pressure distribution in such
a manner that approx. 30% of the braking force
can be activated electrically.

The necessary braking convenience is ensured by
a brake pressure control with a separate sender
for brake pressure and a membrane position
control with a separate membrane position
sender.
The electronics associated with the amplifier are
accommodated in the control unit for braking
force amplification.

mm-wave section

Lens

Control unit for
braking force
amplification

270_196

270_195

59

Electrics

Headlights

Various headlight designs are available. The
basic equipment consists of an xenon headlight
with gas discharge lamps for the dipped beam
and a HB 3 lamp for the high beam.

Double xenon headlights are available as an
optional extra with the V6 engine or W12 engine
series. With this system the dipped beam and
high beam light is generated by gas discharge
lamps.

A gas discharge lamp for high beam is also
turned on when switching from dipped beam to
high beam light.

The indicator lights are integrated in the head­light; the H21W bulb is not visible under the cov­ering.
This makes possible a level of homogeneity
which is unique for such unusual dimensions.

Fog lights

270_237

The gas discharge headlights are diagno­sis-capable via the VAS 5051 measuring
and diagnostic system.

60

The fog lights are built into the bumper. They are
based on reflection technology with a H11 lamp
and a transparent cover disk.

Fog lights

270_238

Rear lights

The rear lights are designed with light-emitting
diodes (LED). Lower energy consumption, shorter
response times and a longer service life are
among the advantages.

A malfunction is detected in the event of the LEDs
becoming defective. The driver receives notifica­tion of the problem in the dash panel insert.

270_236

Brake light

Red glass with rear fog lights
26 LEDs 13.5 V 5.7 W

Without rear fog lights
90 LEDs 13.5 V 13 W

Rear fog lights

Red glass
48 LEDs 13.5 V 9.7 W

Rear light

Red glass
123 LEDs 13.5 V 1.8 W
90 red LEDs 33 red/yellow LEDs

Direction indicator

Red glass
33 LEDs 13.5 V 8.9 W

Reversing lights

Clear glass
Bulb HPL 13.5 V 16 W

61

Electrics

Battery design

The battery has the task of guaranteeing the
electrical energy for starting the engine and of
feeding the electrical consumer units. One bat­tery is not sufficient for fulfilling this requirement
in all models.

In order to ensure a sufficient energy supply for
the electrical consumer units and the starter, a

● one-battery on-board network

and a

● two-battery on-board network are deployed.

One-battery on-board network

Vehic l es with

● V 6 engines

are fitted with one battery.

The electrical consumer units are supplied by one
battery in all operating conditions.

The repair instructions on the subject of
battery removal and installation are to
be observed in order to avoid malfunc­tions in some electrical components
after a complete voltage failure.

62

270_232

BatterySeries fuse box

Two-battery on-board network

Vehic l es with

● W 12 and

● V 10 TDI engines

Additional feature for vehicles with

● V 6 engines

The two-battery on-board network consists of a
starter battery, an on-board network battery, a
relay for parallel wiring battery (J581) and a bat­tery monitor control unit (J367).

The starter battery feeds the starting current cir­cuit for starting the engine; the on-board network
battery feeds the 12V on-board network.

Starting with a discharged on-board network or
starter battery is possible. Control is effected via
the battery monitor control unit and the relay for
parallel wiring battery.

Both batteries are wired in parallel at tempera­tures below 0°C in order to satisfy the cold start
requirements of the V10 TDI engine.

Relay for parallel
wiring battery

Series fuse box

Starter battery

On-board
network battery

270_231

Battery monitor control unit

63

Electrics

Jump-start

Starting with an external voltage source is possi­ble if the battery in a one-battery on-board net­work is discharged or both batteries in a two­battery on-board network are discharged. The
voltage source may only be attached to the
starter side terminal 30a at the jump-start con­nection.
This method only supplies consumer units rele­vant to the starting procedure and protects the
on-board network.

270_230

Please observe the safety instructions in the workshop and operating manuals.

Adjusting headlights

The headlights have to be locked in place in the
'basic setting' function prior to adjustment with
the measuring and diagnostic system 5051.
Mechanical access to the headlight adjustment is
opened via the control unit for front information
display and operating unit (J523).

Changing the wiper blades

To change the wiper blades, they first have to be
moved into the service position via the control
unit for front information display and operating
unit, 'Maintenance & Service' function.

The service position can only be reached by
observing particular preconditions. Please
observe the instructions in the applicable work­shop manuals.

64

Wiper

change

Head-

lights

Back

°C PROJECT TP °C

Other/Maintenance & Service

Moves the wiper blades to the

Opens the mechanical access to

SETTINGS

change position.

headlight adjustment.

270_235

Battery

Plate group

The on-board network battery is maintenance­free due to the use of non-woven fabrics contain­ing latent sulphuric acid. The cells' fill plugs can­not be opened. The emerging gases are fed into
the wheel housing via a lateral outlet and a sup­ply pipe.

Safety battery terminal

In the event of a crash, the starter battery's bat­tery lead is separated pyrotechnically from the
battery. The trigger thresholds are dependent on
the gravity of the accident and on the direction
of impact and they are stored in the airbag con­trol unit.

Fabric

Positive plate

Positive grid

Non-triggered system

Press-fitted cone pin

Negative plate

Negative grid

272_240

B+ lead to the starter

Trigger ed sys tem

Plastic clip-on cover

B+ terminal

270_233

65

Heating/air-conditioning system

The 4C Climatronic

As a luxury-class saloon, the Phaeton has a four­zone air-conditioning system as standard. Thanks
to the 4C Climatronic (4 corners), both the driver
and passengers can enjoy their own desired air­conditioning settings independently of each
other. The temperature range available is
between 18 °C and 28 °C.

The air-conditioning system is controlled via the
Infotainment with the air-conditioning row and
the 'AC' main-menu button.
Pressing this button calls up the main air-condi­tioning menu on the Infotainment's display.

Air-conditioning row

270_210

'AC' main-menu button Main air-conditioning

menu

66

24° C

18° C

23° C

22° C

270_103

More comprehensive and detailed information on the heating and air-conditioning system
can be found in self-study programme 271.

Special functions

● Automatic and manual air-conditioning

control for each air-conditioner zone

● Air-conditioner synchronisation:

all air-conditioner zones will be tuned to the
settings of the driver's seat

● ECON function

● Automatic and manual recirculating air

function with air-quality monitoring

● Automatic and manual defrost function

with window-mist recognition

● Provision for direct sunlight

during climatic regulation

Driver temperature

Manual defrost function

If the Phaeton is equipped with the
optional extra of an electrical wind­screen heating, this will also be
switched on or off via the button for
manual defrost.

Front-passenger temperature

Manual recirculating air function

Air-conditioner synchronisation

Automatic climatic regulation,
driver-side

270_217

Rear window heater

Automatic climatic regulation,
front-passenger-side

270_174

67

Heating/air-conditioning system

Air distribution in the vehicle

The blower sucks in fresh air through the dust
and pollen filter and conducts it to the vaporiser.
The airflow in the air-conditioning device is sepa­rated for the first time behind the vaporiser:
the main part flows through the heat exchangers
and a smaller part bypasses the heat exchangers
and is fed to the air flaps in the air-conditioning
device.
Its structural design with two adjacent heat
exchangers results in a right-left distribution for
the ventilation of the vehicle's interior.

The temperature of both of these airflows for the
left and right-half of the vehicle is to a great
extent determined by the temperature settings for
the front seats.

The subsequent division of the air behind the
heat exchangers to the individual air outlets is
effected by electro-mechanical flaps on the air­conditioning device and in the dash panel.

In doing so, the air for the outlets in the B-pillars
and for the rear footwell air outlets can be
heated further with additional heating elements.

Dust and pollen
filter Right heat exchanger

Fresh air

Air-conditioning

device

Vapo ri se r

Left heat exchanger

Additional heating elementFresh air blower

Centre console air outlet

270_239

Footwell air outlet and outlet for defrost and
direct ventilation in the B-pillar

68

The structural features

The heating/air-conditioning system can be subdivided into the following categories:

- Cooling circuit
with the sender for coolant pressure and tem­perature G395 and the temperature sensor
vaporiser G308,

-Heating circuit
with pump valve unit, two independent heat
exchangers regulated on the water-side, as
well as the two temperature sensor heat
exchangers G306 left and G307 right,

G395

G308

Cooling circuit

- Sub-assemblies for air distribution with an
air-conditioning device for realising the four
air-conditioner zones,

- Display and operating units at front and back,

- Climatronic control unit.

Climatronic control unit

Display and operating units

270_211 270_159 270_189

G307 G306

270_208

Heating circuit

Air duct

Air-conditioning device

270_185270_216270_212

69

Infotainment

The Infotainment system

The Phaeton Infotainment system supervises a range of functions which can be controlled via the operat­ing units in the dash panel and on the steering wheel and by a Climatronic display and operating unit at
the back. Please consult SSP 274 for more detailed information on the Phaeton Infotainment.

Infotainment functions are:

- Audio (AUDIO/TV)

(Radio, CD player, Television),

- Tel eph on e (PHONE)

(Mobile phone, Address-book management),

- Navigation (NAVI)

(Destination guiding, Destination information),

- Tel eme tr y (TRAFFIC)

(Traffic jam alert, Alternative routes),

- Travel data (BOARD-PC)

(Distance data, Consumption, Fuel stop),

Infotainment cockpit operating unit

- Air conditioner (AC)

(Regulating heating/air-conditioning system,
Solar roof function, Auxiliary heater),

- Setting variations (SETTINGS)

(Wiper blade change, Headlight setting,
Voice control, Service functions)

- Tyre pressure control (VEHICLE) and

- Chassis settings
(Level and shock absorber control).

70

270_086

In addition to the operating units in the cockpit,
steering wheel and at the back, the Infotainment
system is essentially composed of:

- the display in the dash panel insert,

- the navigational processor with CD-ROM
and CD player in the glove compartment,

- the antennae in the rear window and

- the microphone for voice control
and telephoning.

The microphone is built into a front console in the
roof lining.

Navigational processor
Display and
operating unit

and CD player in the

glove compartment

These main elements are interlinked in the CAN
data bus Infotainment.
This data bus network is one of a total of three
CAN data bus networks in the Phaeton:

- CAN data bus drive

- CAN data bus convenience and

- CAN data bus Infotainment.

All three networks exchange information with
one another. Infotainment can therefore access a
wide range of sensors and actuators.

Microphone above the
front seats

Antennae in the rear
window

Display in the
dash panel insert

Multi-function
steering wheel

270_074270_073270_071270_072

270_066

270_077270_076270_075

Display and
operating unit, rear

71

Infotainment

Display and operating unit, front

Air-conditioning row

Function buttons
with display

Welcome

Main menu row

Audio row

270_068

The display and operating unit is integrated into the centre console and is subdivided into various
sections:

Air-conditioning row

Its keys have set functions for controlling the
heating/air-conditioning system.

Function buttons with display

The various menus and information are shown
on the display.
The function of the buttons is menu-dependent
and it is shown on the display as a lateral inscrip­tion.

Main menu row with knob / button

The selection of the main menu is made with this
row's buttons. Menu items, e.g. from the address
list, are selected using the knob / button and the
selection is confirmed by pressing the button.

Audio row

Here you can change between radio, CD player
and television.
The selection of transmitting stations or volume,
for example, is made using the appropriate but­tons.

72

270_067

Steering wheel control

In addition to the horn, the inside of the multi­functional steering wheel accommodates two
keypads for actuating the following functions:

- Cruise control system (GRA),

- Automatic distance control system (ADC),

- Infotainment subfunctions,

- Menu selection for the display in the
dash panel insert, as well as

- Voice input activation.

270_069

The dash panel insert display

Some versions are also equipped with a 3" mon­ochrome display or a 5" colour display. They can
display 7 different menus for the various Infotain­ment functions.
In doing so, the displayed function from a menu
list can be selected. A menu is selected via the
multifunctional steering wheel. The display in the
display and operating unit at the front is not
affected by this selection.

Controls for the display
control at the steering
wheel

270_070

73

Service

Inspection service innovations

● Inspections after every 60,000 km or after four years for the petrol engines

● Oil change in versions with the flexible service interval display after approx. 30,000 km or

after 15,000 km in versions with a non-flexible display

● New VW oil standard 503 01 for W12

● Replace ATF oil after 30,000 km in the W12

● Replace gearbox top mounting in the W12

(with automatic transmission and towbar) after 150,000 km

● To replace the window wiper blades, move them into the service position

via a menu item in the main display and operating unit.

● To adjust the headlights, move the headlight washer jets into a service position

via a menu item in the main display and operating unit.

New special tools for Phaeton expertise centres

● Engine hoist VS 6100

● Engine and gearbox bracket VAS 6095

● Bracket for seat repair VAS 6136

● Upholsterer tool set VAS 6137

● Scissor lifting table VAS 6131

● Adapter for V.A.G. 1342

● Exhaust gas analyser probe VAS 1787/7A

● Exhaust gas analyser probe VAS 1788/13A

● Adapter for remote control V.A.G. 1348/3-3

● Cooling system filling device VAS 6096

● Fill plug set VAS 6122

● Upgrade set for PAX tyres VAS 6134/1

● Attachment set VAS 6130

● Portal calibre supplement VAS 5007/14

● Mudguard protector / front covering

VAS 6133

● Masking film for dash panel VAS 1474/18

● ADC adjustment appliance VAS 6041

● Compression tool for buckle assembly T10150

74

Notes

75

270

Only for internal use © VOLKSWAGEN AG, Wolfsburg

All rights reserved

140.2810.89.20 Issued 03/02

❀ No chlorine was used to bleach this paper

during manufacture.