AUDI A4 2001 – Anti-lock brake system 5.3 (ABS), ABS with EDL and traction control system (ASR/TCS), with electronic throttle . Wiring diagrams, Pin Connector, Location

Wiring Diagram AUDI A4 2001 - Combi-processor in dash panel insert - ABS with EDL control unit - fuse - traction control system switch

D	Ignition/starter switch
E132	Traction control system switch
J104	ABS with EDL control unit
J218	Combi-processor in dash panel insert
K86	Traction control system warning lamp
N55	ABS hydraulic unit
S7	Fuse in fuse box/relay plate
T10b	10-pin connector, orange, left connector point, A pillar
T10ap	10-pin connector, grey, right connector point, A pillar
T32	32-pin connector, blue, on dash panel insert
T32a	32-pin connector, green, on dash panel insert
81	Earth connection -1-, in dash panel wiring harness
135	Earth connection -2-, in dash panel wiring harness
A2	Positive (+) connection (15), in dash panel wiring harness
A19	Connection (58d), in dash panel wiring harness
A91	Connection (signal for dash panel insert), in dash panel wiring harness
A104	Positive (+) connection -2- (15), in dash panel wiring harness
*	Only models with ABS, EDL and ASR/TCS
**	Applicable up to 1999 model year
***	Applicable from model year 2000

Wiring Diagram AUDI A4 2001 - ABS with EDL control unit - speed sensors - diagnostic connector

G44	Rear right speed sensor
G45	Front right speed sensor
G46	Rear left speed sensor
G47	Front left speed sensor
J104	ABS with EDL control unit
N55	ABS hydraulic unit
T10b	10-pin connector, orange, left connector point, A pillar
T16	16-pin connector, diagnostic connector
A76	Connection (diagnosis wire K), in dash panel wiring harness

Wiring Diagram AUDI A4 2001 - ABS with EDL control unit - navigation operating electronics control unit - ABS inlet valve - ABS outlet valve

J104	ABS with EDL control unit
J402	Operating electronics control unit, navigation
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
N166	EDL change-over valve, front right
N167	EDL outlet valve, front right
N168	EDL change-over valve, front left
N169	EDL outlet valve, front left
T10ap	10-pin connector, grey, right connector point, A pillar
44	Earth point, lower part of left A pillar
100	Earth connection -1-, in ABS wiring harness
A127	Connection (rear left speed sensor), in dash panel wiring harness
A128	Connection (rear right speed sensor), in dash panel wiring harness
*	Only models with radio navigation system

Wiring Diagram AUDI A4 2001 - ABS with EDL control unit - relay for solenoid valves - return flow pump relay - fuses - brake light switch

F	Brake light switch
J104	ABS with EDL control unit
J105	ABS return flow pump relay
J106	Relay for ABS solenoid valves
N55	ABS hydraulic unit
S13	Fuse in fuse box/relay plate
T10b	10-pin connector, orange, left connector point, A pillar
S53	ABS hydraulic pump fuse
V39	ABS return flow pump
100	Earth connection -1-, in ABS wiring harness
A18	Connection (54), in dash panel wiring harness
A32	Positive (+) connection (30), in dash panel wiring harness
A121	Connection (high bus), in dash panel wiring harness
A122	Connection (low bus), in dash panel wiring harness

Wiring Diagram AUDI A4 2001 - Brake lining/pad wear senders

G34	Brake lining/pad wear sender, front left
G35	Brake lining/pad wear sender, front right
T10ap	10-pin connector, grey, right connector point, A pillar
100	Earth connection -1-, in ABS wiring harness