DTC 51

DTC 51: Motor Locked
1. Check the ABS MTR PUMP (40A) fuse in the auxiliary fuse box.
Is the fuse OK?
YES - Reinstall the fuse, and go to step 2.
NO - Replace the fuse, and recheck.
2. Disconnect the ABS control unit 31P connector.





3. Measure the voltage between the ABS control unit 31P connector terminal No. 17 and body ground.
Is there battery voltage?
YES - Go to step 4.
NO - Repair open in the wire between the ABS MTR PUMP (40A) fuse and the ABS control unit.





4. Check for continuity between the ABS control unit 31P connector terminal No. 16 and body ground.
Is there continuity?
YES - Go to step 5.
NO - Repair open in the wire between the ABS control unit and body ground (G302).
5. Reconnect the ABS control unit 31P connector.
6. Clear the DTC.
7. Test drive the vehicle at 6 mph (10 km/h) or more.
Does the ABS indicator come on, and is DTC 51 indicated?
YES - Replace the ABS modulator-control unit.
NO - The system is OK at this time.