DTC 51: Motor Lock Check the No. 10 (40 A) 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. Disconnect the ABS control unit 25P connector. Measure the voltage between the No. 9 terminal and body ground. ABS CONTROL UNIT 25P CONNECTOR Wire side of female terminals Is there battery voltage? YES - Go to step 4. NO - Repair open in the wire between the No. 10 (40 A) fuse and the ABS control unit. Connect the ABS control unit 25P connector. Clear the DTC. 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.

DTC 52: Motor Stuck OFF Check the No. 10 (40 A) 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. Disconnect the ABS control unit 25P connector. Measure the voltage between the No. 9 terminal and body ground. ABS CONTROL UNIT 25P CONNECTOR Wire side of female terminals Is there battery voltage? YES - Check for loose terminals in the ABS control unit 25P connector. If necessary, substitute a known-good ABS modulator-control unit and recheck. NO - Repair open in the wire between the No. 10 (40 A) fuse and the ABS control unit.