| DTC 54: | ABS Fail-safe Relay |
| 1. | Check the No. 18 (20A) fuse in the under-hood fuse/relay box. Is the fuse OK? YES - Reinstall the fuse, and go to 2.n NO - Replace the fuse and recheck. |
| 2. | Clear the DTC. |
| 3. | Test-drive the vehicle. Does the ABS indicator come on, and are DTC 54 or DTC 61 indicated? YES - Go to 4. NO - Intermittent failure; the vehicle is OK at this time.n |
| 4. | Disconnect the ABS control unit 25P connector. |
| 5. | Measure the voltage between the ABS control unit 25P connector terminal No. 8 and body ground. Is there battery voltage? YES - Check for loose wires or poor connections at the ABS control unit 25P connector. If the connections are good, replace the ABS modulator-control unit.n NO - Repair open in the wire between the No. 18 (20A) fuse in the under-hood fuse/relay box and the ABS control unit,n |