AUDI A4 2002 – Anti-lock brake system (5.3) (ABS) with electronic stability program (ESP) . Wiring diagrams, Pin Connector, Location

Wiring Diagram AUDI A4 2002 - Fuses - brake light switch - ABS with EDL control unit

F	Brake light switch
J104	ABS with EDL control unit
S13	Fuse in fuse box/relay plate
S241	Fuse in fuse box
S242	Fuse in fuse box
T10b	10-pin connector, orange, left connector point, A pillar
T10ap	10-pin connector, grey, right connector point, A pillar
T10ar	10-pin connector, orange, connector point, electronics box, plenum chamber
A18	Connection (54), in dash panel wiring harness
A32	Positive (+) connection (30), in dash panel wiring harness
A106	Connection -2- (86s), in dash panel wiring harness
*	Only models with diesel engines
**	Only models with petrol engines, without electronic throttle
***	Only models with petrol engines, with electronic throttle
****	See applicable engine version

Wiring Diagram AUDI A4 2002 - Fuses - ABS with EDL control unit - 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
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
44	Earth point, lower part of left A pillar
100	Earth connection -1-, in ABS 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
A104	Positive (+) connection -2- (15), in dash panel wiring harness
*	Only models with petrol engines, without electronic throttle
**	Only models with petrol engines, with electronic throttle

Wiring Diagram AUDI A4 2002 - ABS hydraulic unit - ABS with EDL control unit

J104	ABS with EDL control unit
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-

Wiring Diagram AUDI A4 2002 - Fuses - steering angle sender - ABS relay - ABS with EDL control unit

G85	Steering angle sender
J104	ABS with EDL control unit
J106	Relay for ABS solenoid valves
J185	ABS hydraulic pump relay
N55	ABS hydraulic unit
S16	Fuse in fuse box/relay plate
S53	ABS hydraulic pump fuse
T10b	10-pin connector, orange, left connector point, A pillar
T10ap	10-pin connector, grey, right connector point, A pillar
V39	ABS return flow pump
44	Earth point, lower part of left A pillar
135	Earth connection -2-, in dash panel wiring harness
A40	Positive (+) connection -1- (30), in dash panel wiring harness

Wiring Diagram AUDI A4 2002 - Pressure sensor - speed sensors - yaw rate sender - ABS with EDL control unit

G44	Rear right speed sensor
G45	Front right speed sensor
G46	Rear left speed sensor
G47	Front left speed sensor
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
T10ap	10-pin connector, grey, right connector point, A pillar
V156	Electronic stability program hydraulic pump
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 quattro four-wheel drive
**	Does not apply to models with quattro four-wheel drive
***	Only models with radio navigation system

Wiring Diagram AUDI A4 2002 - ABS with EDL control unit - combi-processor in dash panel insert

F9	Handbrake warning switch
J104	ABS with EDL control unit
J218	Combi-processor in dash panel insert
K7	Dual circuit brake/handbrake warning lamp
K47	ABS warning lamp
K86	Traction control system warning lamp
T10b	10-pin connector, orange, left connector point, A pillar
T10ap	10-pin connector, grey, right connector point, A pillar
T16	16-pin connector, diagnostic connector
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
A24	Connection (brake system monitoring), in dash panel wiring harness
A76	Connection (diagnosis wire K), in dash panel wiring harness
A91	Connection (signal for dash panel insert), 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 2002 - Brake lining/pad wear senders

G34	Brake lining/pad wear sender, front left
G35	Brake lining/pad wear sender, front right
G36	Brake lining/pad wear sender, rear left
G37	Brake lining/pad wear sender, rear right
J218	Combi-processor in dash panel insert
T2	2-pin connector, red, rear right
T2a	2-pin connector, red, rear left
T10ap	10-pin connector, grey, right connector point, A pillar
T32	32-pin connector, blue, on dash panel insert
100	Earth connection -1-, in ABS wiring harness
*	Does not apply to RS4 models
**	Applies to RS4 models only