Symptom Troubleshooting

Symptom Troubleshooting: VSA activation indicator does not go off, and no DTCs are stored

VSA activation indicator does not go off, and no DTCs are stored

NOTE: If the VSA modulator-control unit was replaced prior to the activation indicator turning on, do the VSA sensor neutral position memorization. Programming and Relearning

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

2. Check the VSA activation indicator for several seconds when the ignition switch is turned to ON (II).

Does the indicator come on then go off?
YES - The system is OK at this time.

NO - Go to step 3.


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

4. Disconnect the VSA OFF switch 5P connector. Testing and Inspection

5. Check the VSA OFF switch. Testing and Inspection

Is the VSA OFF switch OK?
YES - Go to step 6.

NO - Replace the VSA OFF switch. Testing and Inspection


6. Disconnect the gauge control module (tach) 36P connector. Gauge Control Module Replacement

7. Check for continuity between VSA OFF switch 5P connector terminal No. 2 and body ground.

Is there continuity?
YES - Repair a short to body ground in the wire between the gauge control module (tach) and the VSA OFF switch.

NO - Substitute a known-good gauge control module (tach), Gauge Control Module Replacement then go to step 1 and recheck. If it is OK, replace the original gauge control module (tach). Gauge Control Module Replacement