Wheel Speed Sensor: Testing and Inspection

Wheel Sensor Inspection





1. Check the magnetic encoder (A) after cleaning it. If necessary, replace the encoder.
2. Measure the air gap between the wheel sensor (B) and the magnetic encoder all the way around while rotating the encoder.
Standard:
Front: 0.5 - 1.2 mm (0.02 - 0.05 inch)
Rear: 0.4 - 1.1 mm (0.02 - 0.04 inch)