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.





5. Measure the voltage between the VSA modulator-control unit 47P connector terminal No. 47 and body ground.
Is there 0.1 V or less?
YES - Go to step 6.
NO - Repair open or high resistance in the wire between the VSA modulator-control unit and body ground (G203).
6. Clear the DTC using the HDS.
7. Turn the ignition switch OFF, then turn it ON (II) again.
8. Test-drive the vehicle.
Does the ABS indicator come on, and is DTC 54 indicated?
YES - Check for loose terminals in the VSA modulator-control unit 47P connector and repair if necessary. If the connections are OK, replace the VSA modulator-control unit.
NO - The system is OK at this time.