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TROUBLE DIAGNOSIS ATC-115 C D E F G H I K L M A B ATC 2007 Pathfinder 5. CHECK HEATER PUMP MOTOR POWER CIRCUIT 1. Turn ignition switch OFF. 2. Check continuity between heater pump relay harness connector 3. Check continuity between heater pump relay harness connector OK or NG OK >> GO TO 6. NG >> Repair harness or connector. 6. CHECK CIRCUIT BETWEEN HEATER PUMP RELAY AND FRONT AIR CONTROL 1. Disconnect front air control connector. 2. Check continuity between front air control harness connector (A) 3. Check continuity between heater pump relay harness connector OK or NG OK >> Replace front air control. Refer to . NG >> Repair harness or connector. COMPONENT INSPECTION Check continuity between terminals 3 and 5. If NG, replace relay. 3 - 1 : Continuity should exist. 3 - Ground : Continuity should not exist. WJIA1987E 1 - 44 : Continuity should exist. 1 - Ground : Continuity should not exist. WJIA1988E Conditions Continuity 12V direct current supply between terminals 1 and 2 Yes No current supply No LHA160 |