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B2661, B2662, B2663 UPPER VENTILATOR DOOR MOTOR HAC-67 < DTC/CIRCUIT DIAGNOSIS > [WITHOUT 7 INCH DISPLAY] C D E F G H J K L M A B HAC N O P 3. Check that the air blown from UPPER VENT does not greatly deviate from the air mix ratio. 4. Press the UPPER VENT switch again. 5. The UPPER VENT switch indicator is turned OFF. 6. The air blown from UPPER VENT stops. Does it operate normally? YES >> INSPECTION END NO >> Check upper ventilator door motor installation, and repair or replace the malfunctioning parts. Diagnosis Procedure INFOID:0000000005514632 1. CHECK POWER SUPPLY FOR UPPER VENTILATOR DOOR MOTOR Check voltage between upper ventilator door motor harness connector and ground. Is the inspection result normal? YES >> GO TO 2. NO >> Repair harness or connector. 2. CHECK SIGNAL FOR UPPER VENTILATOR DOOR MOTOR Confirm A/C LAN signal between upper ventilator door motor harness connector and ground using an oscillo- Is the inspection result normal? YES >> GO TO 3. NO >> Repair harness or connector. JPIIA0509GB (+) ( − ) Voltage Upper ventilator door motor — Connector Terminal M308 1 Ground Battery voltage (+) ( − ) Voltage Upper ventilator door motor — Connector Terminal M308 3 Ground SJIA1453J |