Speed Sensor Wiring, Removing and Installing

Front speed sensor wiring, removing and installing

Special tools and equipment





- VAS 1978 Wiring harness repair set

Removing:
- Obtain radio code on vehicles with coded radio.
- Disconnect battery.





- Release control module connector (arrow -1-) and pull off (arrow -2-).





- Release multi-pin connector cover cap with a screwdriver and remove.





- Release secondary locking device (violet) in direction of arrow with a screwdriver.





Contact assignment of connector T47 wiring harness/ABS control module (w/EDL) -J104-.





- Push out relevant contacts with an ejection tool from wiring harness repair kit VAS 1978.
- Separate connector from speed sensor wiring and speed sensor.





- For vehicles with brake wear indicator separate connector -1-.
- Unclip the wiring from retainer -2-.
- Remove faulty speed sensor wiring and guide in new speed sensor wiring.
- Connect speed sensor to speed sensor wiring.





- Clip in speed sensor wiring -arrows-.
Make sure the wiring is not twisted when installing the speed sensor wiring in the wheel housing.
- Insert brake wear indicator connector into bracket on suspension strut.
- Guide contacts into connector housing.





- Push individual wiring seals in onto stop with an insertion tool from VAS 1978.
- Secure contacts with secondary locking device and install multi-pin connector cover cap.