Wheel Speed Sensor: Testing and Inspection

Wheel Speed Sensor Inspection

1. Remove the driveshaft:

- Front driveshaft removal Front Driveshaft Removal.
- Rear driveshaft removal Rear Driveshaft Removal.

2. Check the magnetic encoder (A) after cleaning. If necessary, replace the wheel bearing.

- Front wheel bearing replacement Service and Repair.
- Rear wheel bearing replacement Service and Repair.
- Make sure no metal particles are stuck to the magnet (magnetic encoder).

Front





Rear





3. Measure the air gap between the wheel sensor (B) and the magnetic encoder all the way around while rotating the encoder.