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HAC-156 < COMPONENT DIAGNOSIS > [MANUAL AIR CONDITIONER] MAGNET CLUTCH 1. Disconnect BCM connector and front air control connector. 2. Check continuity between BCM harness connector M18 terminal 27 and front air control harness connector M52 terminal 10. Is the inspection result normal? YES >> GO TO 10. NO >> Repair harness or connector. 10. CHECK INTAKE SENSOR CIRCUITS Check intake sensor. Refer to VTL-11, "Removal and Installation" . Is the inspection result normal? YES >> GO TO 11. NO >> Replace intake sensor. Refer to VTL-11, "Removal and Installation" . 11. CHECK CAN COMMUNICATION Check CAN communication. Refer to LAN-14, "Trouble Diagnosis Flow Chart" . Is the inspection result normal? YES >> Replace BCM. Refer to BCS-59, "Removal and Installation" NO >> Repair or replace malfunctioning part(s). 12. CHECK MAGNET CLUTCH CIRCUIT Check for operation sound when applying battery voltage to terminal. YES >> GO TO 13. NO >> Replace magnet clutch. Refer to Installation for Compressor Clutch" . 13. CHECK CIRCUIT CONTINUITY BETWEEN IPDM E/R AND A/C COMPRESSOR 1. Turn ignition switch OFF. 2. Disconnect IPDM E/R connector and A/C compressor (magnet clutch) connector. 3. Check continuity between IPDM E/R harness connector E119 terminal 11 and A/C compressor harness connector F3 terminal 1. Is the inspection result normal? YES . NO >> Repair harness or connector. 27 - 10 : Continuity should exist. WJIA1136E WJIA1472E 11 – 1 : Continuity should exist. WJIA1470E 2010 Pathfinder |