Operation CHARM: Car repair manuals for everyone.

DTC 54

DTC 54: Fail-safe Relay
1. Disconnect the VSA control unit 47P connector.





2. Measure resistance between the VSA control unit 47P connector terminal No. 47 and body ground.
Is there less than 1 Ohms?
YES - Go to step 3.
NO - Repair open or high resistance in the wire between the VSA modulator-control unit and body ground (G302).
3. Reconnect the VSA control unit 47P connector.
4. Clear the DTC.
5. Test-drive the vehicle.
Does the ABS indicator come on, and is DTC 54 indicated?
YES - Replace the VSA modulator-control unit.
NO - The system is OK at this time. Check for loose or poor connections.