VSA System

DTC 81: Central Processing Unit (CPU)

1. Turn the ignition switch to ON (II).
2. Check for other DTCs.

Is another DTC indicated?

YES - Do the appropriate troubleshooting for the DTC.

NO - Go to step 3.

3. Clear the DTC with the HDS.
4. Turn the ignition switch to LOCK (0), then disconnect the HDS.
5. Test-drive the vehicle.
6. Check for DTCs with the HDS.

Is DTC 81 indicated?

YES - Check for loose terminals in the VSA modulator-control unit 47P connector. If necessary, substitute a known-good VSA modulator-control unit, and retest.

NO - Intermittent failure, the system is OK at this time.