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2 CHECK AMBIENT SENSOR CIRCUIT BETWEEN AMBIENT SENSOR AND AUTO AMP. (LCU) 1. Disconnect auto amp. (LCU) harness connector. RHA475GC Continuity should exist. If OK, check harness for short. OK or NG OK © GO TO 3. NG © Repair harness or connector. 3 CHECK AMBIENT SENSOR Refer to HA-96. OK or NG OK © 1. Replace auto amp. (LCU). form self-diagnosis STEP 2. NG © Replace ambient sensor. GI MA EM LC EC FE AT AX SU BR ST RS BT SC EL IDX TROUBLE DIAGNOSES Ambient Sensor Circuit (Cont’d) HA-95 |