Key Unlock Warning Switch Circuit Test

Ensure key is not in ignition switch. Backprobe for voltage between wireless door lock ECU terminal No. 10 (Blue/Black wire) and ground. See Figure. If battery voltage exists, go to next test listed in TROUBLE SHOOTING . If battery voltage does not exist, check circuit between wireless door lock ECU and key unlock warning switch. See WIRING DIAGRAMS . Repair or replace as necessary. Retest system operation.