YES - Go to step 5.
NO - Intermittent failure, the system is OK at this time. Check for loose
terminals at the ABS modulator-control unit 25P connector. Refer to
INTERMITTENT FAILURES TROUBLESHOOTING .
5. Turn the ignition switch to LOCK (0).
6. Disconnect the ABS modulator-control unit 25P connector.
7. Check for continuity between ABS modulator-control unit 25P connector
terminal No. 25 and body ground.
Fig. 22: Checking Continuity Between ABS Modulator-Control Unit 25P
Connector Terminal No. 25 And Body Ground
Is there continuity?
YES - Check for loose terminals in the ABS modulator-control unit 25P
connector. If necessary, substitute a known-good ABS modulator-control unit:
Except Si model (see REMOVAL - EXCEPT SI MODEL ), Si model (see
REMOVAL - SI MODEL ), and retest.
NO - Repair open in the wire between the ABS modulator-control unit and
body ground (G202).
DTC 54-03: FAIL-SAFE RELAY 1 STUCK ON
1. Turn the ignition switch ON (II).
2. Clear the DTC with the HDS.
3. Turn the ignition switch to LOCK (0), then turn it ON (II) again.
2008 Honda Civic GX
2006-08 BRAKES ABS System - Civic (All Except Hybrid)