Key Unlock Warning Switch Circuit Test

Ensure key is not in ignition. Leave electrical connector attached to remote door lock ECU. Check voltage between chassis ground and terminal No. 6 of remote door lock ECU connector (backprobe the terminal). See Figure. If voltage is 10-14 volts, circuit is okay. If voltage is not 10-14 volts, repair wiring circuit between remote door lock ECU and key unlock warning switch.