Wheel Speed Sensor: Service and Repair

VSA System Wheel Speed Sensor Replacement

Front

1. Turn the ignition switch to LOCK (0).

2. Release the clamp (A), then disconnect the wheel speed sensor connector (B).

3. Remove the bolts and the wheel speed sensor (C).

4. Install the wheel speed sensor in the reverse order of removal, and note these items:
- Do not twist the sensor wires.

- If the wheel speed sensor comes in contact with the wheel bearing, it is faulty.

- Make sure there is no debris in the sensor mounting hole.

5. Start the engine, and test-drive the vehicle. Make sure that the ABS and VSA indicators turn off during the test-drive and do not come back on.






Rear

1. Turn the ignition switch to LOCK (0).

2. Release the clamp (A), then disconnect the wheel speed sensor connector (B).

3. Remove the clamps, the bolt, and the wheel speed sensor (C).

4. Install the wheel speed sensor in the reverse order of removal, and note these items:
- Do not twist the sensor wires.

- If the wheel speed sensor comes in contact with the hub bearing unit, it is faulty.

- Make sure there is no debris in the sensor mounting hole.

- Lubricate the O-ring on the wheel speed sensor.

5. Start the engine, and test-drive the vehicle. Make sure that the ABS and VSA indicators turn off during the test-drive and do not come back on.