DTC 54

DTC 54: Fail-safe Relay

1. Clear the DTC using the HDS.
2. Disconnect the HDS from the 16P DLC.
3. Turn the ignition switch OFF, then turn it ON (II) again.
4. Test-drive the vehicle around a number of corners, and leave the ignition switch ON (II).

Does the VSA indicator come on and is DTC 54 stored?

YES - Go to step 5.

NO - The system is OK at this time. Refer to intermittent failures.

5. Turn the ignition switch OFF.
6. Disconnect the VSA modulator-control unit 47P connector.
7. Check for continuity between the VSA modulator control unit 47P connector terminal No. 47 and body ground.





Is there continuity?

YES - Go to step 8.

NO - Repair open or high resistance in the wire between the VSA modulator-control unit and body ground (G202).

8. Reconnect the VSA modulator-control unit 47P connector.
9. Clear the DTC using the HDS.
10. Turn the ignition switch OFF, then turn it ON (II) again.
11. Test-drive the vehicle.

Does the ABS indicator come on, and is DTC 54 indicated?

YES - Check for loose terminals or poor connections at the VSA modulator-control unit 47P connector. If connections are good, replace the VSA modulator-control unit, and recheck.

NO - The system is OK at this time. Refer to intermittent failures.