Symptom Related Diagnostic Procedures

SYMPTOM: Ambient sensor circuit is open or shorted. (21 or -21 is indicated on auto amp. as a result of conducting Self-diagnosis STEP 2.)




1. Check Voltage Between Ambient Sensor Harness Connector And Body Ground




2. Check Ambient Sensor Circuit Between Ambient Sensor And Auto AMP.(LCU)




3. Check Ambient Sensor




4. Check Ambient Sensor Circuit Between Ambient Sensor And Auto AMP.(LCU)