Key Unlock Warning Switch Circuit
- Check key unlock warning switch. See STEERING COLUMN SWITCHES article. Replace switch as necessary. Retest system operation. If switch is okay, go to next step.
- Check circuits for faults between key unlock warning switch and body control ECU. See WIRING DIAGRAMS . Repair or replace as necessary. If circuits are okay, go to next test listed in appropriate SYMPTOM DIAGNOSIS table under TROUBLE SHOOTING .