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3 CHECK IN-VEHICLE SENSOR Refer to HA-135. OK or NG OK © 1. Replace auto amp. 2. NG © 1. Replace in-vehicle sensor. 2. 4 CHECK IN-VEHICLE SENSOR CIRCUIT BETWEEN AMBIENT SENSOR AND AUTO AMP. (LCU) 1. Disconnect auto amp. (LCU) harness connector. RHA832H Continuity should exist. If OK, check harness for short. OK or NG OK © 1. Replace auto amp. (LCU). 2. NG © Repair harness or connector. TROUBLE DIAGNOSES In-vehicle Sensor Circuit (Cont’d) HA-134 |