Operation CHARM: Car repair manuals for everyone.

ABS Indicator Does Not Come ON

ABS indicator does not come on
1. Turn the ignition switch ON (II), and watch the ABS indicator. Does the ABS indicator come on?
YES - The system is OK at this time.
NO - Go to step 2.
2. Apply the parking brake.
Does the brake system indicator come on?
YES - Go to step 3.
NO - Repair open in the indicator power source circuit. If necessary, substitute a known-good gauge control module, and recheck.
3. Turn the ignition switch OFF.
4. Disconnect the ABS modulator-control unit 25P connector.
5. Turn the ignition switch ON (II).
Does ABS indicator come on?
YES - Check for loose terminals in the ABS modulator-control unit 25P connector. If necessary, substitute a known-good ABS modulator-control unit, and recheck.
NO - Go to step 6.
6. Turn the ignition switch OFF.
7. Remove the gauge control module.
8. Disconnect the gauge control module connector (30P) ('03-05 models), (36P) ('06-07 models).
9. Check for continuity between the gauge control module connector and body ground.
^ '03-05 models: Check between the gauge control module connector (30P) terminal No. 27 and body ground.
^ '06-07 models: Check between the gauge control module connector (36P) terminal No. 33 and body ground.








Is there continuity?
YES - Repair short to body ground in the wire between the gauge control module and the ABS modulator-control unit.
NO - Check for loose terminals in the gauge control module connector. If connector is OK, replace the gauge control module.