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. Turn the ignition switch ON (II).





6. Measure the voltage between the VSA control unit 47P connector terminal No. 47 and body ground.
Is there 0.1 Volts or less?
YES - Go to step 7.
NO - Repair open or high resistance in, the wire between the VSA modulator-control unit and body ground (G302).
7. Clear the DTC using the HDS.
8. Turn the ignition switch OFF, then turn it ON (II) again.
9. Test-drive the vehicle.
Does the ABS indicator come on, and is DTC 54 indicated?
YES - Check for loose connector terminals and repair if necessary. Replace the VSA modulator control unit.
NO - The system is OK at this time.