Component Location Overview

ABS/ESP 

Fig 1: Identifying Electrical/Electronic Components And Installation Locations -- ABS TRW (ABS/EDS/ASR/ESP)

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

1. ABS Control Module -J104-
   • Component location: At hydraulic unit on right side of engine compartment.
   • Do not disconnect connector before successfully completing On Board Diagnostic (OBD). Turn the ignition off before separating connector.
   • Must not be separated from the ABS hydraulic unit -N55-
   • Removing and installing, refer to CONTROL MODULE AND HYDRAULIC UNIT 
2. ABS Hydraulic Unit -N55-
   • Component location: in engine compartment, right

     The hydraulic unit consists of the following components:

   • Brake pressure sensor -G201-
   • ABS hydraulic pump -V64-
   • Valve block (contains inlet and outlet valves)
   • The ABS hydraulic pump -V64- and valve block must not be separated from one another
   • Must not be separated from the ABS control module
   • Removing and installing, refer to CONTROL MODULE AND HYDRAULIC UNIT 
3. Brake Pad Wear Indicator Lamp -K32-
   • Component location: Inside the instrument cluster
4. ABS Indicator Lamp -K47-
   • Component location: Inside the instrument cluster
5. ASR/ESP Indicator Lamp -K155-
   • Component location: Inside the instrument cluster
6. Brake System Indicator Lamp -K118-
   • Component location: Inside the instrument cluster
7. Brake Lamp Switch -F-
   • Component location: On brake master cylinder
   • Removing and installing, refer to Brake Lamp Switch -F-
8. ASR/ESP Button -E256-
   • Component location: Inside center console
9. ESP Sensor Unit -G419- and Electromechanical Parking Brake Control Module -J540-
   • Component location: Beneath center console
   • Combined transverse acceleration sensor -G200-, rotation rate sensor -G202- and longitudinal acceleration sensor -G251-
   • Installed together in one housing with the electromechanical parking brake control module.
   • Removing and installing, refer to ESP Sensor Unit -G419- 
10. Data Link Connector (DLC)
    • Component location: driver side footwell cover
11. Steering Angle Sensor -G85-
    • Component location: On steering column between steering wheel and steering column switch
    • Removing and installing, refer to Steering Angle Sensor -G85- 
12. Wheel Bearing Housing
13. Right Front ABS Wheel Speed Sensor -G45- / Left Front ABS Wheel Speed Sensor -G47-
    • Removing and installing, refer to FRONT AXLE SPEED SENSOR OVERVIEW 
14. Wheel Hub with Wheel Bearing
    • The ABS sensor ring is installed in the wheel bearing
15. Right Rear ABS Wheel Speed Sensor -G44- / Left Rear ABS Wheel Speed Sensor -G46-
    • Removing and installing, refer to REAR AXLE SPEED SENSOR OVERVIEW 
16. Wheel Bearing Housing

    Front wheel drive shown

17. Wheel Hub with Wheel Bearing

    Front wheel drive shown

    • The ABS sensor ring is installed in the wheel bearing