VSA System

VSA DTC Troubleshooting: 53

DTC 53: Motor Stuck ON

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

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).

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 open in the wire between the VSA modulator-control unit and body ground (G303).






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

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

7. Clear the DTC with the HDS.

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

9. Check for DTCs with the HDS.

Is DTC 53 indicated?
YES - Check for loose terminals in the VSA modulator-control unit 46P connector. Check for a loose connection at G303. If necessary, substitute a known-good VSA modulator-control unit Service and Repair and retest.

NO - Intermittent failure, the system is OK at this time. Check for loose terminals at the VSA modulator-control unit 46P connector. Check for a loose connection at G303. Refer to intermittent failures troubleshooting. Initial Inspection and Diagnostic Overview