AUDI A8 2002 – Anti-lock brake system (ABS) with electronic differential lock (EDL), traction control system (ASR/TCS) and electronic stability program (ESP) . Wiring diagrams, Pin Connector, Location

Wiring Diagram AUDI A8 2002 - ABS with EDL control unit - speed sensors - brake light switch - hydraulic pump for electronic stability program

F	Brake light switch
F47	Cruise control system brake pedal switch (diesel direct injection system)
G45	Front right speed sensor
G47	Front left speed sensor
J104	ABS with EDL control unit
S7	Fuse in fuse carrier
S9	Fuse in fuse carrier
T4ad	4-pin connector, black, in engine compartment, left
T4ae	4-pin connector, black, in engine compartment, right
V156	Electronic stability program hydraulic pump
44	Earth point, lower part of left A pillar
100	Earth connection -1-, in ABS wiring harness
A18	Connection (54), in dash panel wiring harness
E109	Connection (30, central electrics), in dash panel wiring harness
*	Models with front-wheel drive
**	Models with four-wheel drive

Wiring Diagram AUDI A8 2002 - ABS with EDL control unit - handbrake warning switch - TCS/ESP button

D	Ignition/starter switch
E256	TCS/ESP button
F9	Handbrake warning switch
G44	Rear right speed sensor
G46	Rear left speed sensor
J104	ABS with EDL control unit
J285	Control unit with display in dash panel insert
S10	Fuse in fuse carrier
T16a	16-pin connector, diagnosis connection
T32	32-pin connector, blue, on dash panel insert
T32b	32-pin connector, grey, on dash panel insert
A2	Positive (+) connection (15), in dash panel wiring harness
A19	Connection (58s), in dash panel wiring harness (switch illumination)
A76	Connection (diagnosis wire K), in dash panel wiring harness
A124	Connection (handbrake warning), in dash panel wiring harness
B235	Positive (+) connection -4- (15a), in interior wiring harness
E115	Earth connection (centre console), in dash panel wiring harness
*	Only applies to 12-cylinder engine, AZC
**	Does not apply to 12-cylinder engine, AZC

Wiring Diagram AUDI A8 2002 - ABS with EDL control unit - ABS hydraulic unit - ABS return flow pump relay - relay for ABS solenoid valves

J104	ABS with EDL control unit
J105	ABS return flow pump relay
J106	Relay for ABS solenoid valves
N55	ABS hydraulic unit
N99	ABS inlet valve, front right
N100	ABS outlet valve, front right
N101	ABS inlet valve, front left
N102	ABS outlet valve, front left
N133	ABS inlet valve, rear right
N134	ABS inlet valve, rear left
N135	ABS outlet valve, rear right
N136	ABS outlet valve, rear left
N225	Electronic stability program switch valve -1-
N226	Electronic stability program switch valve -2-
N227	Electronic stability program high pressure valve -1-
N228	Electronic stability program high pressure valve -2-
V39	ABS return flow pump
44	Earth point, lower part of left A pillar

Wiring Diagram AUDI A8 2002 - ABS with EDL control unit - steering angle sender - ABS hydraulic pump fuse - ABS valves fuse

A	Battery
G85	Steering angle sender
J104	ABS with EDL control unit
J285	Control unit with display in dash panel insert
S53	ABS hydraulic pump fuse
S54	ABS valves fuse
S204	Fuse -1- (30)
T10d	10-pin connector, red, connector point, electronics box, plenum chamber
T32b	32-pin connector, grey, on dash panel insert
A121	Connection (high bus), in dash panel wiring harness
A122	Connection (low bus), in dash panel wiring harness
E105	Earth connection, in dash panel wiring harness, left
•	CAN bus (data wire)

Wiring Diagram AUDI A8 2002 - Lateral acceleration sender - brake pressure sender - yaw rate sender

G200	Lateral acceleration sender
G201	Brake pressure sender -1-
G202	Yaw rate sender
J104	ABS with EDL control unit
J402	Operating electronics control unit, navigation
J431	Headlight range control, control unit
T15	15-pin connector, black, in centre console
T26c	26-pin connector, black, on operating electronics control unit, navigation
J3	Connection -1-, in ABS wiring harness
J7	Connection -3-, in ABS wiring harness
*	Models with radio navigation system