Symptom Troubleshooting

VSA System Symptom Troubleshooting - ABS indicator, brake system indicator, and VSA indicator do not go off

ABS indicator, brake system indicator, and VSA indicator do not go off

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

2. Check the No. 18 (15 A) fuse in the driver's under-dash fuse/relay box.

Is the fuse blown?

YES -

Go to step 3.

NO -

Reinstall the checked fuse, then go to step 8.

3. Disconnect the VSA modulator-control unit 47P connector Service and Repair.

4. Check for continuity between VSA modulator-control unit 47P connector terminal No. 4 and body ground.





Is there continuity?

YES -

Repair a short to body ground in the wire between the No. 18 (15 A) fuse in the driver's under-dash fuse/relay box and the VSA modulator-control unit.�

NO -

Install a new No. 18 (15 A) fuse in the driver's under-dash fuse/relay box, then go to step 5.

5. Reconnect the VSA modulator-control unit 47P connector.

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

7. Check the ABS indicator, brake system indicator, and VSA indicator for several seconds when the ignition switch is turned to ON (II).

Do the indicators come on then go off?

YES -

Troubleshooting is complete.�

NO -

Replace the VSA modulator-control unit Service and Repair.�

8. Disconnect the VSA modulator-control unit 47P connector Service and Repair.

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

10. Measure the voltage between VSA modulator-control unit 47P connector terminal No. 4 and body ground.





Is there battery voltage?

YES -

Go to step 11.

NO -

Repair an open in the wire between the No. 18 (15 A) fuse in the driver's under-dash fuse/relay box and the VSA modulator-control unit.�

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

12. Check for continuity between VSA modulator-control unit 47P connector terminal No. 16 and body ground.





Is there continuity?

YES -

Go to step 13.

NO -

Repair an open in the wire between the VSA modulator-control unit and body ground (G302).�

13. Disconnect gauge control module connector A (30P) Service and Repair.

14. Check for continuity between VSA modulator-control unit 47P connector terminal and gauge control module connector A (30P) terminal (see table).









Is there continuity?

YES -

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

NO -

Repair an open in the wire between the gauge control module and the VSA modulator-control unit.�