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MAGNET CLUTCH HAC-107 < COMPONENT DIAGNOSIS > [MANUAL A/C (TYPE 2)] C D E F G H J K L M A B HAC N O P 1. Reconnect BCM connector and front air control connector. 2. Turn ignition switch ON. 3. Turn A/C switch ON. 4. Check voltage between front air control harness connector M49 Is the inspection result normal? YES >> Replace BCM. Refer to BCS-54, "Removal and Installation" NO-1 >> If the voltage is approx. 5V when blower motor is ON, replace front air control. Refer to . NO-2 >> If the voltage is approx. 0V when blower motor is OFF, replace BCM. Refer to . 7. CHECK CAN COMMUNICATION Check CAN communication. Refer to LAN-14, "Trouble Diagnosis Flow Chart" . Is the inspection result normal? YES >> Inspection End. NO >> Repair or replace malfunctioning part(s). 8. CHECK VOLTAGE FOR FRONT AIR CONTROL (A/C COMPRESSOR ON SIGNAL) 1. Turn ignition switch ON. 2. Check voltage between front air control harness connector M49 Is the inspection result normal? YES >> GO TO 9. NO-1 >> If the voltage is approx. 5V when A/C switch is ON, replace front air control. Refer to . NO-2 >> If the voltage is approx. 0V when A/C switch is OFF, replace BCM. Refer to . 9. CHECK CIRCUIT CONTINUITY BETWEEN BCM AND FRONT AIR CONTROL Terminals Condition Voltage (Approx.) (+) (-) Front air con- trol connector Terminal No. M49 18 Ground A/C switch: ON 0V A/C switch: OFF Battery voltage WJIA1628E Terminals Condition Voltage (Approx.) (+) (-) Front air control con- nector Terminal No. M49 10 Ground A/C switch: ON 0V A/C switch: OFF Battery voltage WJIA1137E |