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B2632, B2633 AIR MIX DOOR MOTOR (DRIVER SIDE) HAC-57 < COMPONENT DIAGNOSIS > [WITHOUT 7 INCH DISPLAY] C D E F G H J K L M A B HAC N O P Diagnosis Procedure INFOID:0000000003846349 1. CHECK POWER SUPPLY FOR AIR MIX DOOR MOTOR (DRIVER SIDE) Check voltage between air mix door motor (driver side) harness connector and ground. Is the inspection result normal? YES >> GO TO 2. NO >> Repair the harnesses or connectors. 2. CHECK SIGNAL FOR AIR MIX DOOR MOTOR (DRIVER SIDE) Check the output waveform (LAN signal) between air mix door motor (driver side) harness connector and Is the inspection result normal? YES >> GO TO 3. NO >> Repair the harnesses or connectors. 3. CHECK AIR MIX DOOR MOTOR (DRIVER SIDE) GROUND CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect air mix door motor (driver side) connector. 3. Check continuity between air mix door motor (driver side) harness connector and ground. Is the inspection result normal? YES >> Replace air mix door motor (driver side). NO >> Repair harness or connector. (+) ( − ) Voltage Air mix door motor (driver side) — Connector Terminal M306 1 Ground Battery voltage (+) ( − ) Voltage Air mix door motor (driver side) — Connector Terminal M306 3 Ground SJIA1453J Air mix door motor (driver side) — Continuity Connector Terminal M306 2 Ground Existed |