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AUDI A3 2004 – Anti-lock brake system (ABS), traction control system (ASR/TCS), electronic differential lock (EDL) and electronic stability program (ESP) for MK60 control unit . Wiring diagrams, Pin Connector, Location

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Wiring Diagram AUDI A3 2004 - Voltage supply - brake light switch



Wiring Diagram AUDI A3 2004 - Voltage supply - brake light switch https://portal-diagnostov.com/license.html
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ABattery
BStarter
DIgnition/starter switch
FBrake light switch
J104ABS with EDL control unit
S9Fuse in fuse box/relay plate
S13Fuse in fuse box/relay plate
S15Fuse in fuse box/relay plate
S162Fuse -1- (30), in fuse box/battery
S163Fuse -2- (30), in fuse box/battery
T3e3-pin connector, black, on main fuse box
   2 Earth strap, gearbox - body
   12 Earth point, in engine compartment, left
   A2 Positive (+) connection (15), in dash panel wiring harness
   A36 Connection (75a), in dash panel wiring harness
   A50 Positive (+) connection (30as), in dash panel wiring harness
   B131 Connection (54), in interior wiring harness
   B185 Connection -2- (54), in interior wiring harness
*Only applies to models with ESP
**Only applies to models with ASR/TCS

Wiring Diagram AUDI A3 2004 - Speed sensors - lateral acceleration sender - brake pressure sender -1- - yaw rate sender - longitudinal acceleration sender - ABS hydraulic pump



Wiring Diagram AUDI A3 2004 - Speed sensors - lateral acceleration sender - brake pressure sender -1- - yaw rate sender - longitudinal acceleration sender - ABS hydraulic pump https://portal-diagnostov.com/license.html
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G44Rear right speed sensor
G45Front right speed sensor
G46Rear left speed sensor
G47Front left speed sensor
G200Lateral acceleration sender
G201Brake pressure sender -1-
G202Yaw rate sender
G251Longitudinal acceleration sender
J104ABS with EDL control unit
V64ABS hydraulic pump
   D146 Connection (rear left speed sensor +), in engine compartment wiring harness
   D147 Connection (rear left speed sensor -), in engine compartment wiring harness
   D148 Connection (rear right speed sensor +), in engine compartment wiring harness
   D149 Connection (rear right speed sensor -), in engine compartment wiring harness
   J3 Connection -1-, in ABS wiring harness
   J5 Connection -2-, in ABS wiring harness
*Only applies to models with ESP
**Only applies to models with four-wheel drive, only equipped with ESP and ABS
***As of November 2001 no longer fitted

Wiring Diagram AUDI A3 2004 - ABS hydraulic unit - switch valves



Wiring Diagram AUDI A3 2004 - ABS hydraulic unit - switch valves https://portal-diagnostov.com/license.html
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J104ABS with EDL control unit
N55ABS hydraulic unit
N99ABS inlet valve, front right
N100ABS outlet valve, front right
N101ABS inlet valve, front left
N102ABS outlet valve, front left
N133ABS inlet valve, rear right
N134ABS inlet valve, rear left
N135ABS outlet valve, rear right
N136ABS outlet valve, rear left
N225Electronic stabilisation program switch valve -1-
N226Electronic stabilisation program switch valve -2-
N227Electronic stabilisation program high pressure valve -1-
N228Electronic stabilisation program high pressure valve -2-
   30 Earth point -1-, next to relay plate
   249 Earth connection -2-, in interior wiring harness
   277 Earth connection -3-, in interior wiring harness
*Only applies to models with front-wheel drive and ESP
**Only applies to models with four-wheel drive and ESP
***Only applies to models with ABS, ASR/TCS and EDL

Wiring Diagram AUDI A3 2004 - Steering angle sender - ESP sensor unit



Wiring Diagram AUDI A3 2004 - Steering angle sender - ESP sensor unit https://portal-diagnostov.com/license.html
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G85Steering angle sender
G200Lateral acceleration sender
G202Yaw rate sender
G251Longitudinal acceleration sender
G419ESP sensor unit
J...Engine control units
J104ABS with EDL control unit
J402Operating electronics control unit, navigation
T1010-pin connector, white, engine compartment, -in plenum chamber
T2626-pin connector, black, on radio
   249 Earth connection -2-, in interior wiring harness
   A121 Connection (high bus), in dash panel wiring harness
   A122 Connection (low bus), in dash panel wiring harness
   B139 Connection (PL (parking light, left)), in interior wiring harness
*Only applies to models with ESP
**Only applies to models with ESP and ASR/TCS
***Only applies to models with navigation system
****From November 2001 onwards
•CAN bus (data bus)

Wiring Diagram AUDI A3 2004 - Traction control system switch - warning lamps - dash panel insert



Wiring Diagram AUDI A3 2004 - Traction control system switch - warning lamps - dash panel insert https://portal-diagnostov.com/license.html
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E132Traction control system switch
G34Brake lining/pad wear sender, front left
J218Combi-processor in dash panel insert
K32Brake pad/lining warning lamp
K86Traction control system warning lamp
T1616-pin connector, black, centre console compartment (diagnostic connector)
T3232-pin connector, blue, on dash panel insert
T32a32-pin connector, green, on dash panel insert
   249 Earth connection -2-, in interior wiring harness
   277 Earth connection -3-, in interior wiring harness
   A76 Connection (diagnosis wire K), in dash panel wiring harness
   A132 Connection (TCS/ESP), in dash panel wiring harness
   B145 Positive (+) connection (58b), in interior wiring harness
*Only applies to models with ESP and ASR/TCS
**Only applies to models with ASR/TCS
•CAN bus (data bus)