## DTC Troubleshooting: 51

DTC 51: | Motor Lock

1. | Check the No. 4 (40A) fuse in the under-hood fuse/relay box, and reinstall the fuse if it is OK. Is the fuse OK? YES - Go to 2. NO - Replace the fuse, and recheck.n

2. | Disconnect the ABS control unit 25P connector.

3. | Measure the voltage between the ABS control unit 25P connector terminal No. 25 and body ground. Is there battery voltage? YES - Go to 4. NO - Repair open in the wire between the No. 4 (40A) fuse and the ABS control unit.n

4. | Connect the ABS control unit 25P connector.

5. | Clear the DTC.

6. | 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.n NO - The system is OK at this time.n