Wheel Speed Sensor: Testing and Inspection

Wheel Sensor Inspection
1. Remove the appropriate front driveshaft or rear driveshaft.








2. Check the magnetic encoder after cleaning the encoder. If necessary, replace the encoder.
3. Measure the air gap between the wheel sensor and the magnetic encoder all the way around while rotating the encoder.
Standard:
Front/Rear: 0.5 - 1.5 mm (0.02 - 0.06 inch)

Note:
- Install the wheel brearing with the magnetic encoder (brown color) toward the inside of the knuckle.
- Remove any oil, grease, dust, or other foreign material from the encoder surface.
- Be carful not to damage the encoder surface when you insert them wheel bearing.