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MAIN POWER SUPPLY AND GROUND CIRCUIT CHECK =NCHA0132 Power Supply Circuit Check NCHA0132S01 Check power supply circuit for air conditioner system. A/C SYSTEM CIRCUIT NCHA0191 SYMPTOM: I A/C system does not come on. RHA093H Push Control Unit Check NCHA0191S01 Check power supply circuit for push control unit with ignition switch Disconnect push control unit harness connector. 2) Connect voltmeter from harness side. 3) Measure voltage across terminal No. 14 and body ground. Voltmeter terminal Voltage (+) (−) 14 Body ground Approx. 12V RHA094H Check body ground circuit for push control unit with ignition switch Disconnect push control unit harness connector. 2) Connect ohmmeter from harness side. 3) Check for continuity between terminal No. 17 and body Ohmmeter terminal Continuity (+) (−) 17 Body ground Yes GI MA EM LC EC FE CL MT AT AX SU BR ST RS BT SC EL IDX TROUBLE DIAGNOSES MANUAL A/C System (Cont’d) HA-151 |