DTC 51
DTC 51: Motor Lock1. Check the No. 10 (30A) fuse in the under-hood fuse/relay box, and reinstall the fuse if it is OK.
Is the fuse OK?
YES - Go to step 2.
NO - Replace the fuse, and recheck.
2. Disconnect the ABS control unit 25P connector.
3. Measure the voltage between the ABS control unit 25P connector terminal No. 9 and body ground.
Is there battery voltage?
YES - Go to step 4.
NO - Repair open in the wire between the No. 10 (30A) fuse and the ABS control unit.
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 5 indicated?
YES - Replace the ABS modulator-control unit.
NO - The system is OK at this time.