VSA System

VSA DTC Troubleshooting: 21-1, 22-1, 23-1, 24-1

DTC 21, 22, 23, 24:

Magnetic Encoder (Wheel Bearing) Malfunction

1. Turn the ignition switch to ON (II).

2. Clear the DTC with the HDS.

3. Test-drive the vehicle at 19 mph (30 km/h) or more.

NOTE: Drive the vehicle on the road, not on a lift.

4. Check for DTCs with the HDS.

Is DTC 21, 22, 23, or 24 indicated?

YES -

Go to step 5.

NO -

Intermittent failure, the system is OK at this time. Refer to intermittent failures troubleshooting.

5. Inspect the appropriate magnetic encoder for damage, debris, and correct installation.





Is the magnetic encoder OK?

YES -

Check for loose terminals in the VSA modulator-control unit 46P connector. If it is OK, replace the VSA modulator-control unit Service and Repair.

NO -

Remove the debris from the magnetic encoder, or replace the wheel bearing (front) or the hub bearing unit (rear):

- Front: Replace the front wheel bearing Service and Repair.
- Rear: Replace the rear wheel bearing Service and Repair.