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HAC-110 < DTC/CIRCUIT DIAGNOSIS > [AUTOMATIC AIR CONDITIONING] FRONT MODE DOOR MOTOR FRONT MODE DOOR MOTOR Diagnosis Procedure INFOID:0000000009652563 1. CHECK FRONT MODE DOOR MOTOR POWER SUPPLY 1. Turn ignition switch ON. 2. Check voltage between front mode door motor harness connector and ground. Is the inspection result normal? YES >> GO TO 2. NO >> GO TO 5. 2. CHECK FRONT MODE DOOR MOTOR GROUND CIRCUIT FOR OPEN 1. Turn ignition switch OFF. 2. Disconnect front mode door motor and A/C auto amp. connector. 3. Check continuity between front mode door motor harness connector and ground. Is the inspection result normal? YES >> GO TO 3. NO >> Repair harness or connector. 3. CHECK FRONT MODE DOOR MOTOR LAN SIGNAL 1. Connect front mode door motor and A/C auto amp. connector. 2. Turn ignition switch ON. 3. Confirm output waveform between front mode door motor harness connector and ground using oscillo- Is the inspection result normal? YES >> GO TO 4. NO >> GO TO 6. 4. CHECK INSTALLATION OF FRONT MODE DOOR MOTOR Check front mode door motor is properly installed. Refer to Is the inspection result normal? YES >> Replace front mode door motor. Refer to HAC-151, "FRONT MODE DOOR MOTOR : Removal . + − Voltage Front mode door motor Connector Terminal M310 1 Ground 9.5 – 13.5 V Front mode door motor — Continuity Connector Terminal M310 2 Ground Existed + − Output waveform Front mode door motor Connector Terminal M310 3 Ground SJIA1453J |