52-1

VSA DTC Troubleshooting: 52

DTC 52:

Motor Stuck

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

1. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.

2. Check the No. 1 (40 A) fuse in the auxiliary under-hood fuse/relay box.

Is the fuse blown?

YES -

Go to step 3.

NO -

Reinstall the checked fuse, then go to step 5.

3. Disconnect the VSA modulator-control unit 46P connector.

4. Check for continuity between VSA modulator-control unit 46P connector terminal No. 45 and body ground.





Is there continuity?

YES -

Repair a short to body ground in the wire between the No. 1 (40 A) fuse in the auxiliary under-hood fuse/relay box and the VSA modulator-control unit.�

NO -

Install a new No. 1 (40 A) fuse, then go to step 7.

5. Disconnect the VSA modulator-control unit 46P connector.

6. Measure the voltage between VSA modulator-control unit 46P connector terminal No. 45 and body ground.





Is there battery voltage?

YES -

Go to step 7.

NO -

Repair an open in the wire between the No. 1 (40 A) fuse in the auxiliary under-hood fuse/relay box and the VSA modulator-control unit.�

7. Reconnect the VSA modulator-control unit 46P connector.

8. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.

9. Clear the DTC with the HDS.

10. Test-drive the vehicle at 9 mph (15 km/h) or more, with the engine speed at 2,500 rpm or more.

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

11. Check for DTCs with the HDS.

Is DTC 52 indicated?

YES -

Go to step 12.

NO -

Intermittent failure, the system is OK at this time. Check for loose terminals at the VSA modulator-control unit 46P connector. Refer to intermittent failures troubleshooting.�

12. 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.

13. Test-drive the vehicle at 9 mph (15 km/h) or more, with the engine speed at 2,500 rpm or more.

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

14. Check for DTCs with the HDS.

Is DTC 52 indicated?

YES -

Check for loose terminals in the VSA modulator-control unit 46P connector. 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.�