Test K: Abs Warning Light Is Always On
- Turn ignition off. Disconnect ABCM connector. Turn ignition switch to RUN position. If ABS warning light is on, go to next step. If light is not on, repair or replace instrument cluster (conventional) or indicator lamp module (electronic) as needed. Restore vehicle, clear DTCs and retest system.
- Turn ignition off. Reconnect ABCM connector. Turn ignition switch to RUN position. If ABS warning light comes on for 3 seconds, then goes out, indicator is working properly. Restore vehicle, clear DTCs and retest system. If indicator does not function normally, install new ABCM. Restore vehicle, clear DTCs and retest system.