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DTC 64

DTC 64: Steering Angle Sensor (Power Supply)

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. Check for DTCs with the HDS.

Is DTC 64 indicated?

YES - Go to step 5.

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 G202. Refer to intermittent failures troubleshooting.

5. Turn the ignition switch to LOCK (0).
6. Disconnect the VSA modulator-control unit 46P connector.
7. Turn the ignition switch to ON (II).
8. Measure the voltage between VSA modulator-control unit 46P connector terminal No. 33 and body ground.





Is there battery voltage?

YES - Repair short to power in the wire between the VSA modulator-control unit and the steering angle sensor.

NO - Go to step 9.

9. Turn the ignition switch to LOCK (0).
10. Check for continuity between VSA modulator-control unit 46P connector terminal No. 33 and body ground.






Is there continuity?

YES - Repair short to body ground in the wire between the VSA modulator-control unit and the steering angle sensor.

NO - Go to step 11.

11. Reconnect the VSA modulator-control unit 46P connector.
12. Disconnect the steering angle sensor 5P connector.
13. Turn the ignition switch to ON (II).
14. Measure the voltage between steering angle sensor 5P connector terminals No. 1 and No. 5.





Is there 5 V ?

YES - Replace the steering angle sensor.

NO - Check for loose terminals in the VSA modulator-control unit 46P connector. Check for a loose connection at G202. If necessary, substitute a known-good VSA modulator-control unit and retest.