46-pin connector, black, CAN separating connector right
372
Earth connection 7, in main wiring harness
B163
Positive connection 1 (15), in interior wiring harness
B272
Positive connection (30), in main wiring harness
B273
Positive connection (15), in main wiring harness
B279
Positive connection 3 (15a), in main wiring harness
B304
Positive connection 8 (30), in main wiring harness
B305
Positive connection 9 (30), in main wiring harness
•
CAN bus (data wire)
*
Front information display and operating unit
**
models with petrol engines
***
models with diesel engines
#
up to model year 2004
##
from model year 2005
Wiring Diagram AUDI A8 2005 - Climatronic control unit - coolant circulation pump - air conditioning system compressor regulating valve - heat regulation valve - air quality sensor
Wiring Diagram AUDI A8 2005 - Climatronic control unit - sunlight penetration photosensor - centre vent temperature sender - dash panel left and right vent illumination bulb - front seat temperature sender
Earth connection 1, in air conditioning system/Climatronic operating unit wiring harness
367
Earth connection 2, in main wiring harness
369
Earth connection 4, in main wiring harness
373
Earth connection 8, in main wiring harness
388
Earth connection 23, in main wiring harness
B340
Connection 1 (58s), in main wiring harness
B341
Connection 2 (58s), in main wiring harness
L23
Connection (58s), in Climatronic operating unit wiring harness
L46
Connection (5 Volt), in Climatronic operating unit wiring harness
*
Front information display and operating unit
Wiring Diagram AUDI A8 2005 - Climatronic control unit - heated windscreen - heated windscreen control unit - rear left and right footwell heater element
17-pin connector, brown, under front passenger seat
Z2
Heated windscreen
Z42
Rear left footwell heater element
Z43
Rear right footwell heater element
367
Earth connection 2, in main wiring harness
368
Earth connection 3, in main wiring harness
392
Earth connection 27, in main wiring harness
B342
Connection 3 (58s), in main wiring harness
B346
Connection 1 (75), in main wiring harness
B468
Connection 4 in main wiring harness
*
Front information display and operating unit
**
operating and display unit for rear Climatronic only
***
models with heated windscreen
Wiring Diagram AUDI A8 2005 - Climatronic control unit - fresh air intake duct temperature sensor - air recirculation flap control motor - dash panel temperature sensor - temperature sensor blower
Potentiometer for air recirculation flap control motor
G150
Left vent temperature sender
G151
Right vent temperature sender
G263
Evaporator out-flow temperature sender
J255
Climatronic control unit
V42
Temperature sensor blower
V113
Air recirculation flap control motor
97
Earth connection 1, in air conditioning system wiring harness
L31
Connection (5V), in air conditioning system wiring harness
*
Front information display and operating unit
Wiring Diagram AUDI A8 2005 - Climatronic control unit - air flow flap control motor - defroster flap control motor - front left defrost and chest vent shut-off flap control motor
Potentiometer for front left defrost and chest vent shut-off flap control motor
J255
Climatronic control unit
V71
Air flow flap control motor
V107
Defroster flap control motor
V200
Front left defrost and chest vent shut-off flap control motor
97
Earth connection 1, in air conditioning system wiring harness
L31
Connection (5V), in air conditioning system wiring harness
*
Front information display and operating unit
Wiring Diagram AUDI A8 2005 - Climatronic control unit - left and right footwell flap control motor - front right defrost and chest vent shut-off flap control motor
Potentiometer for front right defrost and chest vent shut-off flap control motor
J255
Climatronic control unit
V108
Left footwell flap control motor
V109
Right footwell flap control motor
V199
Front right defrost and chest vent shut-off flap control motor
97
Earth connection 1, in air conditioning system wiring harness
L31
Connection (5V), in air conditioning system wiring harness
*
Front information display and operating unit
Wiring Diagram AUDI A8 2005 - Climatronic control unit - temperature flap control motor - central vents control motor - rear left vent warm air and cold air flap control motor
Potentiometer for rear left vent warm and cold air flap control motor
J255
Climatronic control unit
V68
Temperature flap control motor
V102
Central vents control motor
V220
Rear left vent warm air and cold air flap control motor
97
Earth connection 1, in air conditioning system wiring harness
L31
Connection (5V), in air conditioning system wiring harness
*
Front information display and operating unit
**
operating and display unit for rear Climatronic only
Wiring Diagram AUDI A8 2005 - Climatronic control unit - left and right central vents control motor - rear right vent warm air and cold flap air control motor
Front passenger side rear seat ventilation control unit
T17k
17-pin connector, grey, under rear seat, left
T17m
17-pin connector, grey, under rear seat, right
T46a
46-pin connector, black, CAN separating connector left
Z10
Heated rear left seat
Z12
Heated rear right seat
244
Earth connection (sender earth), in Climatronic wiring harness
373
Earth connection 8, in main wiring harness
B323
Positive connection 9 (30a), in main wiring harness
B485
Connection 21, in main wiring harness
•
CAN bus (data wire)
*
operating and display unit for rear Climatronic only
**
only applies to heated rear seats, see Current Flow Diagram heated rear seats
***
models without seat ventilation
#
models with seat ventilation
Wiring Diagram AUDI A8 2005 - Rear Climatronic operating and display unit - rear left and right centre console temperature sensor - rear left and right vent control motor
J431 - Headlight range control regulator V48 - Left headlight range control motor V49 - Right headlight range control motor
15
5
-
SB5 - Fuse 5 on fuse holder B
10 A 5 A¹)
-
J285 - Control unit with display in dash panel insert J533-Data bus diagnostic interface²)
30
6
-
SB6 - Fuse 6 on fuse holder B
10 A
-
J527 - Steering column electronics control unit
30
7
-
SB7 - Fuse 7 on fuse holder B
5 A
-
T16 - 16-pin connector, diagnostic connector
30
8
-
SB8 - Fuse 8 on fuse holder B
5 A
-
G266 - Oil level and oil temperature sender¹) T16 - Connector, 16-pin diagnostic connector
15
9
-
SB9 - Fuse 9 on fuse holder B
10 A 5 A¹)
-
J104 - ABS control unit J527 - Steering column electronics control unit
15
10
-
SB10 - Fuse 10 on fuse holder B
5 A
-
G266 - oil level and oil temperature sender²) J533 - Data bus diagnostic interface¹)
15
11
-
SB11 - Fuse 11 on fuse holder B
10 A
J759 - Lane departure warning control unit³)
15
12
-
SB12 - Fuse 12 on fuse holder B
5 A
-
F - Brake light switch
30
¹) from model year 2004
²) up to model year 2003
³) from September 2007
Audi A8
Fitting Locations
No. 802 / 6
No.
Current Flow Diagram designation
Nominal value
Function/component
Terminal
25
-
SB25 - Fuse 25 on fuse holder B
40 A
-
J400 - Wiper motor control unit
30
26
-
SB26 - Fuse 26 on fuse holder B
15 A³) 30 A²)
-
J608 - Special vehicle control unit³) U18 - 12 V socket 2²) U19 - 12 V socket 3²)
30
27
-
SB27 - Fuse 27 on fuse holder B
25 A
-
J104 - ABS control unit
30
28
-
Vacant
29
-
SB29 - Fuse 29 on fuse holder B
1 A
-
- Switch illumination
58s
30
-
Vacant
31
-
SB31 - Fuse 31 on fuse holder B
30 A
-
J519 - Onboard power supply control unit
30
32
-
SB32 - Fuse 32 on fuse holder B
5 A⁵)
-
J685 - Display unit for front information display and operating unit control unit ⁵)
30
33
-
SB33 - Fuse 33 on fuse holder B
25 A
-
Z42-Rear left footwell heater element
75
34
-
Vacant
35
-
Vacant
36
-
SB36 - Fuse 36 on fuse holder B
5 A
J769 - Lane change assist control unit⁴)
15
37
-
SB37 - Fuse 37 on fuse holder B
15 A
-
J698 - Refrigerator box³)
15
38
-
SB38 - Fuse 38 on fuse holder B
30 A
-
J519 - Onboard power supply control unit
30
39
-
SB39 - Fuse 39 on fuse holder B
15 A 7.5 A¹)
-
J386 - Driver door control unit
30
¹) from model year 2004
²) up to model year 2004
³) from model year 2006
⁴) from September 2007
⁵) from September 2008
Audi A8
Fitting Locations
No. 802 / 8
Audi A8
Fitting Locations
No. 802 / 9
No.
Current Flow Diagram designation
Nominal value
Function/component
Terminal
8
-
SB8 - Fuse 8 on fuse holder B
10 A
-
J544 - Throttle valve module 2 J725 - Turbocharger 2 control unit N144 - Left electrohydraulic engine mounting solenoid valve N205 - Inlet camshaft control valve 1 N208 - Inlet camshaft control valve N213 - Exhaust gas recirculation valve 2 N321 - Exhaust flap 1 valve N382 - Torque rod valve V51 - Continued coolant circulation pump V275 - Intake manifold flap 2 motor
87
9
-
SB9 - Fuse 9 on fuse holder B
5 A
-
J104 - ABS control unit J527 - Steering column electronics control unit
15
10
-
SB10 - Fuse 10 on fuse holder B
10 A
-
J197 - Adaptive suspension control unit
15
11
-
SB11 - Fuse 11 on fuse holder B
10 A
-
J759 - Lane departure warning control unit
15
12
-
SB12 - Fuse 12 on fuse holder B
5 A
7.5 A¹)
-
J523 - Front information display and operating unit control unit J794 - Control unit for information electronics 1¹)
30
13
-
SB13 - Fuse 13 on fuse holder B
10 A
-
J412 - Telephone operating electronics control unit J526 - Mobile telephone operating electronics control unit R36 - Telephone transmitter and receiver unit R115 - Chip card reader for telephone - Preparation for mobile telephone
30
5 A¹)
-
R86 - Aerial amplifier for mobile telephone¹) R126 - Telephone bracket¹)
30
¹) from September 2008
Audi A8
Fitting Locations
No. 802 / 11
No.
Current Flow Diagram designation
Nominal value
Function/component
Terminal
28
-
SB28 - Fuse 28 on fuse holder B
5 A
-
J17 - Fuel pump relay J49 - Electric fuel pump 2 relay J248 - Diesel direct injection system control unit J569 - Brake servo relay J623 - Engine control unit
15
29
-
SB29 - Fuse 29 on fuse holder B
15 A
-
N30.. - Injector
87
30
-
SB30 - Fuse 30 on fuse holder B
30 A
-
N...- Ignition coils with output stage J623 - Engine control unit
87
31
-
SB31 - Fuse 31 on fuse holder B
20 A
40 A
-
G23 - Right fuel pump N115 - Active charcoal filter system solenoid valve 2 (USA) V144 - Fuel system diagnostic pump (USA) J538 - Fuel pump control unit
87
32
-
SB32 - Fuse 32 on fuse holder B
10 A 5 A
-
J217 - Automatic gearbox control unit 01J, 01T J217 - Automatic gearbox control unit 09E, 09L
F189 - Tiptronic switch F305 - Gear selector position P switch N110 - Selector lever lock solenoid
15
4
-
SC4 - Fuse 4 on fuse holder C
15 A
-
J217 - Automatic gearbox control unit 01J/01T
87
5
-
SC5-Fuse 5 on fuse holder C
15 A
-
G70 - Air mass meter J299 - Secondary air pump relay J338 - Throttle valve module J724 - Turbocharger 1 control unit N18 - Exhaust gas recirculation valve N112 - Secondary air inlet valve N145 - Right electrohydraulic engine mounting solenoid valve N382 - Torque rod valve V157 - Intake manifold flap motor
R41 - CD changer R92 - CD ROM drive R129 - Video recorder / DVD player
30
15
-
SC15 - Fuse 15 on fuse holder C
5 A
-
J644 - Energy management control unit
30
16
-
SC16 - Fuse 16 on fuse holder C
5 A 7.5 A³)
-
N79 - Heater element for crankcase breather
87
17
-
SC17 - Fuse 17 on fuse holder C
5 A¹)
-
- Vacant V7 - Radiator fan V177 - Radiator fan 2
87
18
-
SC18 - Fuse 18 on fuse holder C
5 A
-
- Vacant (from January 2003) J234 - Airbag control unit²) J706 - Seat occupied recognition control unit (only USA)²) L34 - Map reading light bulb (up to December 2002)
15
19
-
SC19 - Fuse 19 on fuse holder C
5 A
-
G70 - Air mass meter
15
20
-
SC20 - Fuse 20 on fuse holder C
5 A
-
J526 - Telephone and telematics control unit (USA) J672 - Driver seat ventilation control unit J673 - Front passenger seat ventilation control unit
75
21
-
SC21 - Fuse 21 on fuse holder C
15 A 5 A
-
J248 - Diesel direct injection system control unit J271 - Motronic current supply relay J623 - Engine control unit
Digital sound package control unit -J525-, TV tuner -R78-, navigation system with CD drive control unit -J401-, parking aid control unit -J446-, radio -R-, speech input control unit -J507- and digital radio -R147-
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