VSA System

VSA DTC Troubleshooting: 64

DTC 64: Sensor Power Voltage

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

2. Clear the DTC with the HDS.

3. Turn the ignition switch to LOCK (0), then turn it to ON (II) again.

4. Test-drive the vehicle around a number of corners.
NOTE: Drive the vehicle on the road, not on a lift.

5. Check for DTCs with the HDS.

Is DTC 64 indicated?
YES - Go to step 6.

NO - The system is OK at this time. Refer to intermittent failures. Reading and Clearing Diagnostic Trouble Codes


6. Turn the ignition switch to LOCK (0).

7. Disconnect the VSA modulator-control unit 47P connector and the yaw rate-lateral/longitudinal acceleration sensor 5P connector.

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

9. Measure the voltage between the VSA modulator-control unit 47P connector terminal No. 35 and body ground.

Is there 0.1 V or more?
YES - Repair a short to power in the wire between the VSA modulator-control unit and the yaw rate-lateral/longitudinal acceleration sensor.

NO - Go to step 10.






10. Turn the ignition switch to LOCK (0).

11. Check for continuity between the VSA modulator-control unit 47P connector terminal No. 35 and body ground.

Is there continuity?
YES - Repair a short to body ground in the wire between the VSA modulator-control unit and the yaw rate-lateral/longitudinal acceleration sensor.

NO - Go to step 12.






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

13. Clear the DTC with the HDS.

14. Turn the ignition switch to LOCK (0), then turn it to ON (II) again.

15. Test-drive the vehicle at 19 mph (30 km/h) or more.
NOTE: Drive the vehicle on the road, not on a lift.

16. Check for DTCs with the HDS.

Is DTC 64 indicated?
YES - Check for loose terminals or poor connections at the VSA modulator-control unit 47P connector. If connections are good, replace the VSA modulator-control unit, Service and Repair and recheck.

NO - The system is OK at this time. Refer to intermittent failures Reading and Clearing Diagnostic Trouble Codes and check connections at the VSA modulator-control unit 47P connector and body ground (G202).