VSA
VSA DTC Troubleshooting: 53
DTC 53:
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 ON (II), or press the engine start/stop button to select the ON mode.
Is the pump motor running?
YES -
Replace the VSA modulator-control unit Service and Repair.�
NO -
Go to step 2.
2. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.
3. Disconnect the VSA modulator-control unit 46P connector.
4. Check for continuity between VSA modulator-control unit 46P connector terminal No. 46 and body ground.
Is there continuity?
YES -
Go to step 5.
NO -
Repair an open in the wire between the VSA modulator-control unit and body ground (G302).�
5. Reconnect the VSA modulator-control unit 46P connector.
6. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.
7. Clear the DTC with the HDS.
8. 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.
9. Check for DTCs with the HDS.
Is DTC 53 indicated?
YES -
Go to step 10.
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.�
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 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.
12. Check for DTCs with the HDS.
Is DTC 53 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.�