Speedometer Vehicle Speed Sensor (VSS), Checking

Speedometer Vehicle Speed Sensor (VSS), checking

Location: left side of transmission housing next to drive flange.




- Disconnect 3-pin harness connector (arrow) from speedometer VSS.

Note: The connector is secured to the speedometer VSS with locking clips.

- Connect VW 1501 test harness to VSS.
- Set digital multimeter (Fluke 83 or equivalent) to the 2 kohm resistance measuring range.




- Connect multimeter between VW 1501 test harness flat terminal connectors -2- and -3-.
- Release parking brake and shift transmission into neutral.
- Move vehicle forward or backward slightly.
Specification: alternating between 0 Ohms (continuity) and infinite Ohms (no continuity)

If specification is not met:
- Replace speedometer Vehicle Speed Sensor (VSS).

If resistance is OK, and the speedometer is not working:
- Measure signal from speedometer VSS signal at instrument cluster. Speedometer Vehicle Speed Sensor (VSS) Signal, Checking

Once test is complete:
- Disconnect VW 1501 test harness and reconnect connector to speedometer VSS.