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ATC-72 < SERVICE INFORMATION > TROUBLE DIAGNOSIS 3. Check continuity between BCM harness connector M3 terminal OK or NG OK >> GO TO 7. NG >> Repair harness or connector. 7. CHECK VOLTAGE FOR UNIFIED METER AND A/C AMP. (COMPRESSOR ON SIGNAL) 1. Reconnect BCM connector and unified meter and A/C amp. connector. 2. Turn ignition switch ON. 3. Check voltage between unified meter and A/C amp. harness OK or NG OK >> GO TO 8. NG-1 >> If the voltage is approx. 5 V when A/C switch is ON: Replace unified meter and A/C amp. NG-2 >> If the voltage is approx. 0 V when A/C switch is OFF: Replace BCM. 8. CHECK REFRIGERANT PRESSURE SENSOR WITH CONSULT-III 1. Start the engine. 2. Check voltage of refrigerant pressure sensor in “Data monitor”. Refer to EC-127, "CONSULT-III Reference EC-705, "CONSULT-III Reference Value in Data Monitor WITHOUT CONSULT-III 1. Start the engine. 27 – 42 : Continuity should exist. RJIA2006E RJIA2007E Terminals Condition Voltage (+) ( − ) Unified meter and A/C amp. connector Terminal No. M57 42 Ground A/C switch: ON Approx. 0 V OFF switch: ON SJIA1423J |