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RHA051GE DIAGNOSTIC PROCEDURE NBHA0041 SYMPTOM: Ambient sensor circuit is open or shorted. ( or − is indicated on the display as a result of conducting Self- diagnosis STEP 2.) 1 CHECK VOLTAGE BETWEEN AMBIENT SENSOR HARNESS CONNECTOR AND BODY GROUND Disconnect ambient sensor harness connector. RHA052G Yes or No Yes © GO TO 2. No © GO TO 4. 2 CHECK AMBIENT SENSOR CIRCUIT BETWEEN AMBIENT SENSOR AND AUTO AMP. (LCU) 1. Disconnect auto amp. (LCU) harness connector. or 9. RHA829H Continuity should exist. If OK, check harness for short. OK or NG OK © GO TO 3. NG © Repair harness or connector. TROUBLE DIAGNOSES Ambient Sensor Circuit (Cont’d) HA-130 |