Component Function Check

AIR MIX DOOR MOTOR WITHOUT LEFT AND RIGHT VENTILATION TEMPERATURE SEPARATELY CONTROL SYSTEM





Component Function Check
1.CONFIRM SYMPTOM BY PERFORMING THE FOLLOWING OPERATIONAL CHECK
1. Turn temperature control dial clockwise until 32�C (90�F) is displayed.
2. Check for warm air at discharge air outlets.
3. Turn temperature control dial counterclockwise until 18�C (64�F) is displayed.
4. Check for cool air at discharge air outlets.
Is the inspection result normal?
YES - INSPECTION END
NO - Go to diagnosis procedure. .




Diagnosis Procedure
1.PERFORM SELF-DIAGNOSIS
Perform self-diagnosis function. Diagnosis Description Without Plasmacluster System.
Is the inspection result normal?
YES - GO TO 5.
NO - GO TO 2.
2.CHECK POWER SUPPLY FOR AIR MIX DOOR MOTOR
Check voltage between air mix door motor harness connector and ground.





Is the inspection result normal?
YES - GO TO 3.
NO - Repair harness or connector.
3.CHECK SIGNAL FOR AIR MIX DOOR MOTOR
Confirm A/C LAN signal between air mix door motor harness connector and ground using an oscilloscope.





Is the inspection result normal?
YES - GO TO 4.
NO - Repair harness or connector.
4.CHECK AIR MIX DOOR MOTOR GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect air mix door motor connector.
3. Check continuity between air mix door motor harness connector and ground.





Is the inspection result normal?
YES - Replace air mix door motor.
NO - Repair harness or connector.
5.CHECK INSTALLATION OF AIR MIX DOOR MOTOR
Check air mix door motor is properly installed. Door Motor.
Is it installed normally?
YES - INSPECTION END
NO - Repair or replace air mix door motor.