Diagnosis Procedure

AIR MIX DOOR MOTOR (PASSENGER SIDE)


Diagnosis Procedure

1.CHECK INSTALLATION OF AIR MIX DOOR MOTOR (PASSENGER SIDE)
Check air mix door motor (passenger side) is properly installed. Exploded View.
Is it installed normally?
YES - GO TO 2.
NO - Repair or replace air mix door motor.
2.CHECK POWER SUPPLY FOR AIR MIX DOOR MOTOR (PASSENGER SIDE)
Check voltage between air mix door motor (passenger side) 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 (PASSENGER SIDE)
Confirm A/C LAN signal between air mix door motor (passenger side) 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 (PASSENGER SIDE) GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect air mix door motor (passenger side) connector.
3. Check continuity between air mix door motor (passenger side) harness connector and ground.





Is the inspection result normal?
YES - Replace air mix door motor (passenger side).
NO - Repair harness or connector.