Daewoo DE, DV Service Manual
INTRODUCTION
This manual has been prepared with the assistance of service and engineering specialists
to provide you, Daewoo heavy commercial vehicle mechanics, with the information on the
electrical equipment of Daewoo heavy duty trucks. We like to assure you that you will be
acquainted with more suitable maintenance techniques. It contains a variety of illustrations
and diagrams for the electrical equipment to help you easily understand.
Utilizing adequately this manual for you maintenance operations will not only greatly relieve
you from unnecessary effort but also enhance maintenance reliability.
Should you have any questions or doubt as to the contents of this manual, do not hesitate
to contact us.
Finally, we like to advise you that the specifications and other details on our Daewoo heavy
commercial vehicles and are subject to change without prior notice for the purpose of product upgrading, and also we hope that this manual would be of a great help to you in your
maintenance operations.
2003. 12
DAEWOO COMMERCIAL VEHICLE CO, LTD
CONTENTS
- DE / DV -
SECTION 1.
GENERAL DESCRIPTIONS .............................................................................................. 5
SECTION 2.
CIRCUIT DIAGRAM BY SYSTEMS ............................................................................... 24
1. GENERAL DESCRIPTIONS
SECTION 1
GENERAL DESCRIPTIONS
1. ELECTRIC CIRCUIT DIAGRAM ......................................................................................................6
1-1. HOW TO USE CIRCUIT DIAGRAM
1-2. POWER SUPPLY NUMBER
1-3. COLOR SYMBOLS FOR WIRING
1-4. HOW TO KNOW CONNECTOR PIN NUMBER
2. LOCATIONS OF ELECTRICAL HARNESSES .............................................................................. 8
2-1. ROOF / DASH / DOOR HARNESS
2-2. FRAME HARNESS (DE/DV)
2-3. CONNECTOR CONDITION
2-4. LOCATIONS OF GROUND CONNECTIONS
2-5. FUSE AND RELAY LAYOUT
2-6. AUXILIARY FUSE AND RELAY BOX
5
1. GENERAL DESCRIPTIONS
1. ELECTRIC CIRCUIT DIAGRAM
1-1. HOW TO USE CIRCUIT DIAGRAM
A
30
15
15A
15B
58
15A
F31
B
LOCATION
CONTENTS
• The power supply line on the circuitry are found in
A
the upper space of the circuit diagram.
• Power supply lines are #30, 15, 15a,15b, 58
B
• F31 : Fuse number, 15A : Electric capacity.
HEAD
LAMP
RELAY
31
86 30
85 87
DRIVER ASSIST
E
BR
F
G101
C
D
C201
3
HEAD
LAMP
G
H
C
• This section shows the parts name and the pin
number.
• This section represents the connector where different
D
wirings are connected to each other.
C201 indicates the kind of connector, while the #3
means that it is the third terminal of the connector.
E
F
• This section shows the color of the applicable wire.
- BR - : Red stripes on black ground.
•
This section indicates the location of ground Connection.
• The bottom line is a battery(-) line or ground(#31).
( G : ground )
• There are a number of cross lines.
A crossing having a dot as in “ ” means that the
G
lines A and B are connected to each other. On the
A
B
other hand, a crossing having no dot indicates that
the lines A and B are separate lines.
•
H
This section indicates the body ground Connection.
so, there is no wire ground like Gxxx.
CIRCUIT DAIGRAM
1-2. POWER SUPPLY NUMBER
NUMBER
30
15
15A
15B
58
• The battery(+) line.
• Electric power is supplied when the starter switch is turned to the "ON" position
before the engine starts.
• Electric power is supplied when the starter switch is turned to the "ACC" position.
• Electric power is supplied from the starter switch "ON" relay #87.
• #58 is switched ON when the head lamp switch is ON.
CONTENTS
6
1. GENERAL DESCRIPTIONS
1-3. COLOR SYMBOLS FOR WIRING
• To make it easy to read the circuit diagram, each wiring is given a unique color on the circuit diagram.
EX) B(black) R(red) Red wiring on black ground
Ground
SYMBOL
R
B
Br
W
COLOR
Red
Black
Brown
White
SYMBOL
Main color
Y
Lg
Gr
G
COLOR
Yellow
Yellowish green
Gray
Green
1-4. HOW TO KNOW CONNECTOR PIN NUMBER
1) CONNECTOR PIN FIGURE
Connector pin figure is the total hole number of the connector
2) CONNECTOR PIN NUMBER
EX) NO.4 of the 6 pin connector
SYMBOL
L
V
O
P
COLOR
Blue
Vilocet
Orange
Pink
LOCKING
CXXX
NO.4 of the 6-pin connector
MALE CONNECTOR
4
FEMALE CONNECTOR
7
1. GENERAL DESCRIPTIONS
2. LOCATIONS OF ELECTRICAL HARNESSES
2-1. ROOF HARNESS/ DASH HARNESS/ DOOR HARNESS
2-1-a. ROOF HARNESS
Mood
Lamp
Air Horn, LH
FRT Speaker, LH
H.F.K MIC
TR
Clock
Reading
Lamp
RR
Speaker
Air Horn, RH
RR Speaker
Room&Spot Lamp
Large Room Lamp
FRT Speaker, RH
Door switch
Cab lock
switch
Door switch
Dash Harness
Dash Harness
EL001
8
2-1-b. DASH HARNESS (DE/DV)
Meter
Switch
Tachograph
Speed Meter
Ignition
S/W
Split
S/W
Key hole
Lamp
Tension Reducer
Combi
Seat Heater
C101
Door Harness
C102
C103
Customer
use
Keyless
entry unit
Roof harness
C112
C111
H.F.K MIC
Dump Control
Complete
Clutch
S/W
S/W
Stop S/W
Accel S/W
Cassette
H.F.K Jack
Fre&Rec SW
Blower S/W
Parking S/W
Seat Belt
A/C SW
Cigar
Lighter
Remote
con kit
Bed Heater
Customer use
Blower
resistor
Air heat
Fuse&Relay
T/M split
ZF-T14 Knob
Ashtray ill
12V outlet
Auto grease
unit
Diagnostic
connector
Blower
motor
unit
Timer
Q.O.S
ECU
(DE12TIS)
Speed limit unit
P.T.O
DC-DC
Converter
1. GENERAL DESCRIPTIONS
Dumping relay
Keyless relay
Ignition relay
ENG stop relay
Roof harness
ECU-ABSResister
CPT Customer
H.F.K Unit
Noise Filter
Wiper
Motor
C113
Lift axle relay
Chime bell
One touch
Muiti
connector
Door Harness
C104-107
EL002-1
unit
ALLISON (AUTO T/M)
Customer
use
Keyless
entry unit
Roof harness
C112
C111
H.F.K MIC
Dump Control
C101
Door Harness
C102
C103
Meter
Complete
Switch
Tachograph
Speed Meter
Ignition
S/W
Combi
S/W
Key hole
Stop S/W
Lamp
Tension Reducer
Accel S/W
Seat Heater
Cassette
H.F.K Jack
Fre&Rec SW
Blower S/W
Parking S/W
Seat Belt
Blower
A/C SW
resistor
Cigar
Lighter
Fuse&Relay
Ashtrayill
Preselect dowm S/W
VIW-S
12V outlet
Bed Heater
Auto grease
unit
Customer use
Diagnostic connector
Blower
motor
Air heat
unit
Timer
Q.O.S
VIM-V Auto T/M
VIM
Speed limit unit
Resister
Connector
DC-DC
Converter
Wiper
Motor
Oil cooler relay
Keyless relay
ECU (DE12TIS)
Noise Filter
Ignition relay
H.F.K Unit
Exhaust brake relay
Lift axle relay
Muiti
connector
Roof harness
C113
Door Harness
C104-107
ECU-ABS
EL002-1-1
Chime bell
One touch
unit
9
1. GENERAL DESCRIPTIONS
2-1-c. DOOR HARNESS
Power Window
Switch
Door lock Actuator
Auto Mirror
Power Window Motor
Dash Harness
2-2. FRAME HARNESS (DE/DV)
Front Combi lamp(RH)
Head lamp(RH)
Front
Front Combi lamp(LH)
Head lamp(LH)
Speed limiter
Air compressor
(DV15TIS)
ST relay(DV15)
ST motor(DV15TIS)
Fan motor
Washer Motor
Horn
Air cleaner
Air heater relay
(DE08/12Tis)
ST relay
(DE08/12Tis)
ST motor
(DE08/12Tis)
Multi connector
Ground(110)
Auto mirror
Dual press S/W
Ground
Compressor
sensor(DV)
P.C.V
Air tank(FAB)
Air master(AOH)
Cab air sus. M/V
Sub start S/W
Alternator(DV)
Speed limit(DE)
Alternator(DE)
Tacho
Sensor
Air dryer (FAB)
Cab tilt box(DE08/12TIS)
Cab tilt box(DV15TIS)
P.C.V
Exhaust M/V
Wheel sensor
ENG harness(DE08/12TIS)
ENG(DV15)
Ground
Air master
(AOH)
Differential
lock M/V
Wheel sensor
Door Signal Lamp
P.T.O M/V
Parking S/W
Auto grease
Fuel Sensor
Aux fuse box
P.C.V
P.C.V
Wheel sensor
Lift axle
M/V
Back up buzzer
RR Combi lamp(LH)
EL002-4
RR Combi lamp(RH)
Back up lamp(RH)
Customer use
License lamp
Back up lamp(LH)
* The location of harness is different by the vehicle type.
EL005-1
10
2-3. CONNECTOR CONDITION
1. GENERAL DESCRIPTIONS
Connector for dash harness and driver's seat door harness
1
5
C101(10pin) C102(8pin)
Connector for dash harness and assist seat door harness
12
4
C104(8pin)
4
10
Based on dash harness
3
8
1
4
1
3
C105(4pin)
3
8
2
4
Connector for dash harness and driver's seat door harness
2
1
3
4
C103(4pin)
Based on dash harness
Connector for dash harness and assist seat door harness
2
1
1
3
4
C106(4pin)
2
C107(2pin)
Based on dash harness
Connector for dash harness and driver's seat roof harness
1
4
C111(7pin)
Connector for dash harness and tachograph harness
3
7
Based on dash harness
1
C112(2pin)
1
6
2
1
H.F.K MIC
5
11
3
C114
Based on dash harness
Connector for dash harness and assist seat roof harness
1
10
C113(14pin)
Based on dash harness
Connector for dash harness and switch harness
156
11 16 17
4
95
14
10
22
C121(11pin)
Based on dash harness
C131(22pin)
Based on dash harness
11
1. GENERAL DESCRIPTIONS
Connector for dash harness and frame harness
10
22
Connector for dash harness and frame harness
18
65 1
17 16
C201(22pin)
Based on dash harness
8
1314
C203(18pin)
11
145
9
Connector for dash harness and frame harness
965
20
C202(20pin)
Based on dash harness
Connector for dash harness and frame harness
4
8
12
C204(12pin)
1
5
9
1
101516
1
2
3
4
C205(4pin)
Speed sensor
Based on dash harness
Connector for dash harness and frame harness
2
1
3
4
C206(4pin)
Based on dash harness
Connector for dash harness and frame harness
21
21
C207(2pin)
1
5
9
4
8
12
C208(1pin)
1
4
7
Based on dash harness
Connector for dash harness and frame harness
1
Connector for dash harness and frame harness
3
6
9
11
C209(22pin)
ECM(ABS)
Based on dash harness
156
11 16 17
156
10
221617
10
22
C210(2pin)
ABS for trailer
C211(12pin)
Based on dash harness
C212(9pin)
C213(22pin)
ECM(ABS/ASR)
Based on dash harness
12
1. GENERAL DESCRIPTIONS
Connector for engine harness and frame harness
13
6
4
C302(6pin)
Split
Based on frame harness
Connector for frame harness and trailer harness
1
3
4
6
C401(6pin)
Connector for frame harness and engine harness
1
5
9
C311(12pin) C312(4pin)
Connector for frame harness and trailer harness
1
3
C402(4pin)
ABS
4
8
12
Based on frame harness
2
4
1 1
C403(1pin)
ABS
1
2
4
3
Speed sensor
C404(1pin)
ABS
Based on frame harness
Connector for frame harness and ABS PCV harness
4
1
2
3
P.C.V
Connector for frame harness and auxiliary fuse box harness
1
5
C601(8pin)
1
23
C501~504
Based on frame harness
4
8
Based on frame harness
2
1
Wheel Speed sensor
2
1
C602(2pin)
Based on frame harness
Connector for dash harness and instrument harness
1
9
A(White)
1
11
Connector for frame harness and auxiliary fuse box harness
1
C603(1pin)
KEY ON Power
: Green
8
16
C(White)
Based on dash harness
1
9
10
20
1
C604(1pin)
B+ Power
Based on frame harness
Trailer ABS Power
(tractor/Pull Cargo)
B(Black)
1
C605(1pin)
: Blue
8
16
13
1. GENERAL DESCRIPTIONS
2
1
5
3
Facia Switch Connector
Based on dash harness
1
2
3
4
Ignition switch
(Engine stop motor)
1
2
Customer service/Clutch/
Stop SW/Cigar lighter
/Seat connector
1
4
Ignition switch
(Sub starter)
3
6
1
6
Combination
wiper S/W(RH)
1
9
Keyless unit connector
Based on dash harness
5
11
Based on dash harnessBased on dash harness
34
1
7
Combination
light S/W(LH)
13
6
8
18
1
2
Key hole
lamp
5
11
51
"A"
84
VDO Tachograph connector
1
4
Blower switch Fre&Rec switch
3
6
Based on dash harness
51
"B"
84
(behind instrument)
1
3
1
6
"C"
2
5
Dash
51
Body
84
1
3
Blower resisstor
switch
13
1
6
21
1
11
6
Dash
Body
1
23
DC-DC converter/
ZF-T14 knob/
T/M Spliter connector
5
21
11
10
20
CASPO Digital tachograph connector
2
1
7
(behind instrument)
4
One touch unit
Based on dash harness
14
1. GENERAL DESCRIPTIONS
11
Based on dash harness
37264
1
5
Air heat unit
Based on dash harness
1
9
Diagnostic connector
8
Timer Q.O.S unit
8
16
1
7
H.F.K unit
12
6
1
4
H.F.K jack
Based on dash harness
C1 C2 C3 C4
16
1
5
4
9
18 1512
ABS/ASR ECM(D-version)connector
1
9963 66339
C1
113
1512
ABS/ASR ECM(E-Version, D-version basic)connector
Based on dash harness
11 113
74
C4
16
18 1512963963
1512
3
6
1
87
85 86
30
Starter switch "ON"/Keyless
relay connector
(Inside groove box)
Based on dash harness
13
26
DE12TIS ECM Frame harness(connector)
Based on dash harness
abc def
ghi j kl m
Chime bell connector
1
14
2
1
5
3
Wiper motor connector
Based on dash harness
DE12TIS Memory clear
connector(Black)
DE12TIS Diagnostic
connector(white)
37
47
DE12TIS ECM dash harness(connector)
Based on dash harness
1
2
Bed-heater
27
38
11
15
1. GENERAL DESCRIPTIONS
14
5 8
Wiper intermittent/
Door lock/
mirror heater unit
Fuse relay box
1
2
3
Engine stop motor
connector
Based on frame harness
13
4 6
Key hole lamp unit
1
2
ASR valve connector
1
3
4
6
FRT/RR
combination lamp
Based on frame harness
4
1
2
3
ABS pressure control
valve connector
Based on frame harness
connector
2
1
3
4
Head lamp
connector
1 2
Air dryer
1
2
3
4
Clock
connector
1
3
Air horn
1
Room/Spot
connector
Based on roof harness
3
2
2
4
Cab lock S/W
Based on roof harness
1
2
Large room lamp
connector
2
1
1
4
Auto mirror
switch connector
A
1
3
8
Based on door harness
2
Seat belt tension reducer
/Speaker connector
Based on roof harness
1
3
Mirror heater/
mirror motor connector
2
6
1 2
Reading/Mood lamp
16
1. GENERAL DESCRIPTIONS
1
5
Driver seat power
window switch
1
4
VIW-S
4
9
3
7
Based on dash harness(Auto T/M)
1
4
Assist seat power
window switch
Based on door harness
3
7
21
Power window
motor connector
3
1
4
6
Prestroke actuator
& sensor
2
1
3
4
Rack sesnsor
DE12TIS Engine
Based on Frame harness
87
85 86
30
Exhaust brake relay
Based on dash harness
10
1
4
7
VIM
6
13
1
5
VIW-V T/M oil cooler relay
85 86
31
NE(Pick-up) sensor
87
30
1
2
3
4
Auto grease /
Pump connector
Based on frame harness
1
3
Exhaust brake/
Preselect down switch
21
Dual
pressure S/W
2
5
Based on dash harness
1
4
Auto grease unit
21
Temperature
S/W
3
6
21
Cab tilt motor
1
7
PTO Actuator
1
Chime bell
Cab tilt box
Based on frame harness
156
6
15
11
PTO Controler
Based on dash harness
2
1
Cab tilt PBS switch
10
23
17
1. GENERAL DESCRIPTIONS
1
6
Speed limit unit
12
ZF
5
12
Based on dash harness
1
7
1
T/M Split high switch
Based on engine harness
Cassette
2
T14
13
634
Based on dash harness
12
Neutral/
Back up lamp
Based on engine harness
12
Resistor 120 ohm
1
Air heater relay
2
1
Limit switch
3
ESCS actuator connector
Based on frame harness
3
2
1
4
Water pump relay
Based on frame harness
1
3
46
Step motor
1
2
Preheater relay
1
12
Back up/Keyless buzzer
connector
Based on frame harness
1
1
2
3
Back up lamp/
License lamp
2
4
2
1
ABC
Switch box
Based on frame harness
18
1. GENERAL DESCRIPTIONS
1
2
T/M oil temp switch
Based on frame harness
21
T/M oil cooler
4
1
Door lock actuator
Based on door harness
12
21
Door turn
signal lamp
19
1. GENERAL DESCRIPTIONS
2-4. LOCATIONS OF GROUND CONNECTIONS
2-4-a. DASH HARNESS
G104
(+)Power Supply
G105
Battery
(Ground)
G100
G101
G103
G100
G102
G106
G109
EL002-2
G101
G102
Ground No
G100
G101
G102
G103
G104
G105
G106
G109
G103
G104
G105
G106
G109
Location of the ground earth connector wiring
Near the blower motor
Near the blower motor
Near the wiper motor on passenger's side
Near the bed heater behind the passenger seat
Near the clutch pedal switch
Near the switch connector wiring at the right side of the driver's seat
Near the ECU (DE12TIS)
Near the PTO unit
20
2-4-b. FRAME HARNESS
CAB GROUND
This is located at the right, upper end of the
front lid.
It is fastened firmly to the wiper motor housing cover.
FRAME GROUND (DRIVER'S SEAT)
This is located inward the left frame .
It is fasted to the inner frame of the battery
1. GENERAL DESCRIPTIONS
FRAME GROUND (ASSIST SEAT)
This is located inward the right frame :
It is fstened to the inner frame of the
receiver dryer
AUX. FUSE BOX GROUND
This is located outward the aux fuse box frame.
It is fastened to the outer frame of the aux
fuse box.
Battery
(-)cable
21
1. GENERAL DESCRIPTIONS
2-5. FUSE AND RELAY LAYOUT
87
8685 8685
30
Aircon relay
87
8685
30
Head lamp low relay
30
Horn relay
30
Head lamp high relay
Wiper intermittent control relay
Accessory relay
87
8685
Converter relay
87
8685
Front fog lamp relay Tail lamp relay
FuseNoCapa-
city
F1
15A
Ignition switch, Meter, Tachograph
87a
DBR relay
30
30
30
87
Wiper high/low relay
87
8685
Wiper on/off relay
87
8685
DE/DV(ECU)
87
8685
Key hole lamp unit
Description
87a
87a
87
3030
87
30
87
30
87
30
15A
1
8685
30A15A10A
20A
8685
8685
8685
2
3
4
5
6
7
8
9
10
11
Fuse
No
F18
10A
15A
10A
10A
10A
10A
15A
15A
10A
20A
Capa-
city
20A
10A
12
10A
13
10A
14
10A
15
10A
16
15A
17
20A
18
10A
19
10A
20
10A
21
10A
22
Auto door lock
23
24
25
26
27
28
29
30
31
32
33
10A
5A
5A
15A
20A
5A
15A
15A
10A
mirror heater unit
87a
Back up lamp
Blinker unit
Working relay
stop lamp relay
Description
Air con, Blower motor, Fre & Rec SW
87
8685
30
87
8685
30
87
8685
30
87
8685
30
F2
F3
F4
F5
F6
F7
F8
F9
F10
F11
F12
F13
F14
F15
F16
F17
Large Room lamp, Door step lamp, Keyhole unit, Diagnosis
10A
15A
DC-DC converter
10A
Clock(B+),Cassette(B+),Noise Fitter
10A
Engine stop motor, Key box
15A
ABS C1-8(ABS/ASR:10A, ABS:15A)
10A
ABS C1-9
Blinker unit
15A
15A
Door lock,Horn,Keyless,Keyhole lamp,Auto T/M(E-module)
10A
Fog lamp relay
20A
Dual one touch unit
10A
Power window switch, Mirror heater unit/switch
10A
PTO, Diff lock(L/R), Split, Dump control, Lift axle, ELM
Differential lock(F/R), ZF-T14 Knob, Lock brake SW, Buzzer unit
15A
10A
Stop lamp, Auxiliary fuse box
10A
Reverse R/S, Water pump switch
Working lamp switch/relay
15A
F19
F20
F21
F22
F23
F24
F25
F26
F27
F28
F29
F30
F31
F32
F33
10A
10A
10A
10A
10A
5A
5A
15A
20A
5A
15A
15A
10A
Cab tilt, Cab lock SW
Preheater U, Key hole lamp, Seat belt
Cassette, clock, Hands free kit unit
Bed heater, Cigar, Seat heater
T/M oil cooler(Auto T/M), Customer service
Customer service
Auto grease unit
ABS C1-7, DBR Relay
Trailer ABS(IGN+)
Wiper system, Combi SW
DE12TIS Power R #30
ECM memory clear C, Prest R, ECM Power
R #85 Air heater R(DE12TIS)
Head lamp high R #30/85
Head lamp low R #30/85
Tail lamp
R #30/85
22
2-6. AUXILIARY FUSE AND RELAY BOX
1. GENERAL DESCRIPTIONS
FuseNoCapa-
city
1
2
30(A)
3
20(A)
4
50(A)
5
50(A)
Fan motor relay
87
85
The room fuse #31 - #33 B+(light)
Trailer ABS B+
Starter switch "IG" relay #30
The room fuse #1 - #11,23,24 B+
Accessary Relay #30
86
30
Description
30A
7
30A
8
15A
9
Parking lamp relay
86
30
87
85
86
85
87
Fuse
No
6
7
8
9
30
Capa-
30(A)
30(A)
15(A)
Rear fog lamp relay
5
6
50A 50A 20A 30A
city
Cab tilt box B+
Mixer switch box B+
Condenser fan motor relay #30
3
4
Description
1
2
2-7. THE OTHERS RELAY
1. IG relay
2. Keyless relay
3. Engine stop relay
4. Lift axle relay
5. Dumping relay
23
2. CIRCUIT DIAGRAM BY SYSTEMS
CONTENTS
SECTION 2
CIRCUIT DIAGRAMS BY SYSTEMS
1. STARTER MOTOR AND STARTER SWITCH "ACC" CIRCUIT DIAGRAM......................... 26
2. CHARGING AND STARTER SWITCH "ON" /ENGINE STOP MOTOR CIRCUIT DIAGRAM 28
3. LIGHT CIRCUIT DIAGRAM ....................................................................................................... 30
4. HEATING SYSTEM CIRCUIT DIAGRAM ................................................................................. 32
5.
12V CONVERTER, CIGAR LIGHTER, BED HEATER, SEAT HEATER CIRCUIT DIAGRAM
6. BACK UP LAMP CIRCUIT DIAGRAM ..................................................................................... 36
7. CAB TILT (MECHANIC), CHIME BELL CIRCUIT DIAGRAM ................................................. 38
8. CAB TILT (HYDRAULIC), CHIME BELL CIRCUIT DIAGRAM ............................................... 40
9. P.T.O, FOG LAMP CIRCUIT DIAGRAM .................................................................................. 42
............ 34
10. STOP LAMP, TRAILER STOP LAMP CIRCUIT DIAGRAM ................................................... 44
11. CLEARANCE, LICENSE PLATE, ASHTRAY, AIR HORN LAMP CIRCUIT DIAGRAM ....... 46
12. PARKING LAMP CIRCUIT DIAGRAM ..................................................................................... 48
13. SEAT BELT TENSION REDUCER, STEP LAMP, LARGE ROOM LAMP, READING/
MOOD LAMP CIRCUIT DIAGRAM ........................................................................................... 50
14. KEY HOLE ILLUMINATION LAMP, ROOM & SPOT LAMP CIRCUIT DIAGRAM ............... 52
15. TURN SIGNAL LAMP, HAZARD WARNING LAMP CIRCUIT DIAGRAM ............................. 54
16. CORNERING LAMP, AUTO GREASE CIRCUIT DIAGRAM .................................................. 56
17. CASSETTE, DIGITAL CLOCK CIRCUIT DIAGRAM ............................................................... 58
18. DOOR LOCKING DEVICE, HORN CIRCUIT DIAGRAM ......................................................... 60
19. KEYLESS ENTRY SYSTEM CIRCUIT DIAGRAM ................................................................... 62
20. EXHAUST BRAKE, DBR CIRCUIT DIAGRAM ........................................................................ 64
21. SPLIT SYSTEM(ZF T/M, T-14 T/M) CIRCUIT DIAGRAM ....................................................... 66
22. POWER WINDOW CIRCUIT DIAGRAM ................................................................................... 68
23. WIPER CIRCUIT DIAGRAM ...................................................................................................... 70
24. AUTO MIRROR AND MIRROR HEATER CIRCUIT DIAGRAM .............................................. 72
25. TACHOGRAPH CIRCUIT DIAGRAM (VDO, CASPO) ............................................................. 74
26. HEATER, AIR CONDITIONER CIRCUIT DIAGRAM ............................................................... 76
27. SPEED LIMITER CIRCUIT DIAGRAM ...................................................................................... 78
28. LOCK BRAKE, DIFFERENTIAL LOCK CIRCUIT DIAGRAM
(EXCEPT HUB REDUCTION) .................................................................................................... 80
29. DIFFERENTIAL LOCK(HUB REDUCTION) CIRCUIT DIAGRAM .......................................... 82
24
2. CIRCUIT DIAGRAM BY SYSTEMS
CONTENTS
30. WATER PUMP-MIXER DRUM CIRCUIT DIAGRAM ................................................................ 84
31. WORKING LAMP, AIR DRYER HEATER CIRCUIT DIAGRAM .............................................. 86
32. TRAILER CONNECTOR CIRCUIT DIAGRAM ......................................................................... 88
33. LIFT AXLE CIRCUIT DIAGRAM
..........................................................................................................
90
34. ABS/ASR ELECTRIC CIRCUIT DIAGRAM(D-VERSION) ....................................................... 92
34-1. ABS/ASR PRESSURE CONTROL VALVE, WHEEL SPEED SENSOR CIRCUIT DIAGRAM
(4 SENSOR / 4 CHANNEL) ............................................................................................. 94
34-2. ABS/ASR PRESSURE CONTROL VALVE, WHEEL SPEED SENSOR CIRCUIT DIAGRAM
(4 SENSOR / 3 CHANNEL) ............................................................................................. 96
35. ABS ELECTRIC CIRCUIT DIAGRAM(D-VERSION BASIC) ................................................... 98
35-1.
ABS PRESSURE CONTROL VALVE, WHEEL SPEED SENSOR CIRCUIT DIAGRAM
. 100
36. TRAILER ABS CIRCUIT DIAGRAM ....................................................................................... 102
37. ABS BLINKCODE DESCRIPTION .......................................................................................... 104
38. SERVICE ELECTRIC EQUIPMENTS FOR USER CIRCUIT DIAGRAM ............................... 110
39. DE12TIS ECM POWER, RACK SENSOR, RPM SENSOR CIRCUIT DIAGRAM ................ 112
40. DE12TIS DIAGNOSTIC, PREST SENSOR AND ACTUATOR CIRCUIT DIAGRAM ........... 114
41. INSTRUMENT SYSTEM CIRCUIT DIAGRAM
........................................................................ 116
41-1. INSTRUMENT SYSTEM FOR DE ENGINE CIRDUIT DIAGRAM ................................ 116
41-2. INSTRUMENT SYSTEM FOR DV ENGINE CIRDUIT DIAGRAM ................................ 118
41-3. INDICATOR LAMP OF INSTRUMENT CIRCUIT DIAGRAM
(PREHEAT, LIFT AXLE, CAB TILT ETC) .................................................................... 120
41-4. INDICATOR LAMP OF INSTRUMENT CIRCUIT DIAGRAM
(PTO LAMP, DIFFERENTIAL LOCK LAMP ETC) ...................................................... 122
41-5. SWITCH AND WARNING LAMP CIRCUIT DIAGRAM ............................................... 123
41-5-1. SWITCH AND WARNING LAMP CIRCUIT DIAGRAM(FOR A.O.H) .............. 124
41-5-2. SWITCH AND WARNING LAMP CIRCUIT DIAGRAM(FOR F.A.B) .............. 125
41-5-3. SWITCH AND WARNING LAMP CIRCUIT DIAGRAM ................................... 126
42. HANDS FREE KIT CIRCUIT DIAGRAM ................................................................................. 128
43. ENGINE SPEED CONTROL SYSTEM (ESCS) ...................................................................... 130
43-1. ENGINE SPEED CONTROL SYSTEM(ESCS) ............................................................. 132
44. OIL COOLER CIRCUIT DIAGRAM(ALLISON AUTO TRANSMISSION) .............................. 134
44-1. AUTO TRANSMISSION OIL COOLER CIRCUIT DIAGRAM ....................................... 134
44-2. AUTO TRANSMISSION OIL COOLER CIRCUIT DIAGRAM ....................................... 136
25
2. CIRCUIT DIAGRAM BY SYSTEMS
1. STARTER MOTOR AND STARTER SWITCH "ACC" CIRCUIT DIAGRAM
30(Fuse box #1-#11)
2
R
1
50A
C207
C604
Af5
Auxiliary
fuse box
W
1. Converter relay
2. Keyless unit
R LR
LR
30
87 86
85
F1
15A
WR
1
LOCK
ACC
ON
R
START
Starter switch
"ACC" relay
(Fuse box)
1.Tachograph
2. Instrument panel A-4
Starter switch
ACC ON R ST
25 4
BW
C201
4
15a (Fuse box #21-#22)
LO
1
2
Sub starter switch
1. Preheat unit #3
2. DE12TIS-ECM#40
LO
C201
5
LO
C311
10
W
Battery
Alternator
#B
B
G101
2
1
Transmission
1. Start switch"ON" relay #85
neutral switch
2. Instrument panel C-10, B-2
3. Tachograph
4. Chime bell #7
R
5. Alternator "R"
C311
9
6. Speed limiter
GL
Starter
M
motor
Starter
relay
31
26
1) CONNECTOR AND PIN NUMBER
2. CIRCUIT DIAGRAM BY SYSTEMS
10
22
65 1
17 16
C201, 22pin
Dash - Frame harness
(Based on dash harness)
1
C604, 1pin
Frame - Aux fuse box
(Based on frame harness)
11
21
C207, 2pin
Dash - Frame harness
(Based on dash harness)
1
4
3
6
Starter switch
(Based on dash harness)
1
5
9
4
8
12
C311, 12pin
Frame - Engine harness
(Based on frame harness)
87
85 86
30
"ACC" Relay
(Fuse relay box)
27
2. CIRCUIT DIAGRAM BY SYSTEMS
2. CHARGING AND STARTER SWITCH "ON"/
ENGINE STOP MOTOR CIRCUIT DIAGRAM
30(Fuse box#1-#11)
C207
2
R
C604
1
Af5
50A
Aux
fuse box
W
1
W
1
50A
W
C208
C603
Af4
WW
30
R
Starter
motor(B+)
LOCK
ACC
ON
R
START
85
8687
R
F1
15A
WR
1
BW
1.Tachograph
2. Instrument panel A-4
ACC ON R ST
5
Starter switch
"ON" relay
(Inside the stowage)
G
B
E
Alternator
Starter switch
14
RL
L
15b(Fuse box#12-#20,
R
F5
10A
LY
1. Sub starter
3
switch
#23-#30)
2. Instrument
panel C-10,B-2
3. Tachograph
4. Chime bell
5. Speed limiter
Instrument A-7
charge warning lamp
C201
14
WL
C202
1
1
LY
C202
10
Battery
B
G102
28
G104
B B
Engine
M
stop
motor
23
LY
31 Ground
1) CONNECTOR AND PIN NUMBER
2. CIRCUIT DIAGRAM BY SYSTEMS
10
22
Dash - Frame harness
(Based on dash harness)
21
C207, 2pin
Dash - Frame harness
(Based on dash harness)
65 1
17 16
11
C201, 22pin
1
C208, 1pin
Dash - Frame harness
(Based on dash harness)
1
2
3
965
20
C202, 20pin
Dash - Frame harness
(Based on dash harness)
1
C603, 1pin
Frame - Aux fuse box
(Based on frame harness)
87
85 86
30
1
101516
1
C604, 1pin
Frame - Aux fuse box
(Based on frame harness)
1
2
3
4
Engine stop motor
(Based on frame harness)
Starter S/W
"ON" relay
(Inside the stowage)
Starter switch
(Based on dash harness)
29
2. CIRCUIT DIAGRAM BY SYSTEMS
3. LIGHT CIRCUIT DIAGRAM
L
F33
10A
YR
30
85
87 86
RB
L
C206
2
L
GR
Tail lamp
relay
GR
Head
lamp
low
relay
L
F32
15A
GY
85
86 87
LR
RY
30
Head
lamp
high
relay
L
F31
15A
LW
85
86 87
R
30
58
Instrument A-16
(Head lamp high
indicator lamp)
30
RB
RB
C601
2
Af2
30A
Aux.
Fuse box
Battery
Light switch
OFF
Lignt 1
Lignt 2
1
B
C202
7
2
R
LR
2
3
PASS
Low
High
Head lamp
S/W
1
Driver's
seat
RY
Assist
seat
RY
Driver's
seat
Head
lamp
B
low
B
B
RB
B
C202
6
Assist
seat
Head
lamp
High
RB
B
G104
G104
31
30
1) CONNECTOR AND PIN NUMBER
965
20
2. CIRCUIT DIAGRAM BY SYSTEMS
1
1
101516
2
3
4
C202, 20pin
Dash - Frame harness
(Based on dash harness)
1
5
4
8
C601, 8pin
Frame - Aux fuse box harness
(Based on frame harness)
1
3
Head-Lamp high/low
(Based on frame harness)
1
6
5
11
Light/head lamp combi S/W
(Based on dash harness)
C206, 4pin
Dash - Frame harness
(Based on frame harness)
2
4
34
1
7
13
87
85 86
30
Tail lamp relay
Head lamp high
/low relay
(Fuse relay box)
6
31
2. CIRCUIT DIAGRAM BY SYSTEMS
4. HEATING SYSTEM CIRCUIT DIAGRAM
W
10A
RB
F20
LOCK
ACC
ON
P
START
R
F1
15A
1
BACCON R ST
1. Tachograph
2. Instrument A-4
WR
4
LO
30
15b
1. Transmission neautrol S/W
2. DE12TIS ECM #40
LO
RB
1. Seat belt
2. Key hole
lamp unit
134
TIMER Q.O.S
2
(DE12~12TI)
5
Coolant
Temperature
B
9
C
RB
6
B+
Engine preheater unit Preheater control unit
3
OB
C203
12
C311
12
LO
ST
DV ENGINE
8
(preheater indicator
B
7
GR
Instrument
lamp)
4
"L" terminal
Alternator
Starter
motor B+
5
GrW
Cable
C203
11
C311
11
Engine
preheater
control relay
Cable
Engine
pre-heater
heater oil
G102
G102
31
32
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