VSA Activation Indicator Does Not Come on at Start-up (Bulb Check)

VSA activation indicator does not come on at start-up (bulb check)

If the VSA activation indicator does not come on and the ABS indicator, VSA indicator, and brake system indicator do not go off at the same time, do the ABS indicator circuit troubleshooting first, then recheck.

1. Turn the ignition switch ON (II), and watch the VSA activation indicator.

Does the VSA activation indicator come on and go off?

YES - The system is OK at this time.

NO - Go to step 2.

2. Check the DTCs with the HDS.

Are DTC 91 or 92 indicated?

YES - Troubleshoot the DTC indicated, and recheck.

NO - Go to step 3.

3. Do the gauge control module self-diagnosis function procedure.

Is the gauge control module OK?

YES - Go to step 4.

NO - Replace the gauge control module.

4. Turn the ignition switch OFF.
5. Substitute a known-good VSA modulator-control unit.
6. Turn the ignition switch ON (II), and watch the VSA activation indicator.

Does the VSA activation indicator come on and go off?

YES - Replace the original VSA modulator-control unit.

NO - Replace the gauge control module.