Manufacturer Code Charts: 134

VSA DTC Troubleshooting: 134

DTC 134:

Steering Angle Sensor Malfunction

NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information.

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

2. Check for DTCs with the HDS.

Is DTC 91 indicated with DTC 134 at the same time?

YES -

Do the DTC 91 troubleshooting VSA System.�

NO -

Go to step 3.

3. Put the vehicle on a level surface, and center the steering wheel spokes.

4. Check STEERING ANGLE in the VSA DATA LIST with the HDS.

With the front wheels in the straight ahead position, is STEERING ANGLE 0 ° ± 5 °?

YES -

Go to step 5.

NO -

Check the installation of the steering angle sensor Service and Repair. If installation is good, do the VSA sensor neutral position memorization Programming and Relearning.�

5. Check the wheel alignment Service and Repair.

Is the wheel alignment within the specification?

YES -

Go to step 6.

NO -

Make sure the suspension is not modified, adjust the wheel alignment correctly, then go to step 6.

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

7. Clear the DTCs with the HDS.

8. Test-drive the vehicle around a number of corners.

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

9. Check for DTCs with the HDS.

Is DTC 134 indicated?

YES -

Go to step 10.

NO -

The system is OK at this time.�

10. Update the VSA modulator-control unit if it does not have the latest software Testing and Inspection. If the unit already has the latest software, substitute a known-good VSA modulator-control unit Service and Repair.

11. Test-drive the vehicle around a number of corners.

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

12. Check for DTCs with the HDS.

Is DTC 134 indicated?

YES -

Check for loose terminals in the VSA modulator-control unit 46P connector. Check for a loose connection at G303. If the VSA modulator-control unit was updated, substitute a known-good VSA modulator-control unit Service and Repair, then retest. If the VSA modulator-control unit was substituted, go to step 1.

NO -

If the VSA modulator-control unit was updated, troubleshooting is complete. If the VSA modulator-control unit was substituted, replace the original VSA modulator-control unit Service and Repair. If any other DTCs are indicated, go to the indicated DTCs troubleshooting.�