Diagnosis Procedure

AIR MIX DOOR MOTOR (DRIVER SIDE)


Diagnosis Procedure

1.PERFORM SELF-DIAGNOSIS
Perform self-diagnosis function. Refer to Diagnosis Description (WITHOUT
ACCS) or Diagnosis Description (WITH ACCS).
Is the inspection result normal?
YES - GO TO 5.
NO - GO TO 2.
2.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 3.
NO - Repair harness or connector.
3.CHECK SIGNAL FOR AIR MIX DOOR MOTOR (DRIVER SIDE)
Confirm A/C LAN signal between air mix door motor (driver 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 (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.
5.CHECK INSTALLATION OF AIR MIX DOOR MOTOR (DRIVER SIDE)
Check air mix door motor is properly installed (driver side). Refer to Exploded View.
Is it installed normally?
YES - INSPECTION END
NO - Repair or replace air mix door motor (driver side).