Air Mix Door Motor (Passenger Side)
AIR MIX DOOR MOTOR (PASSENGER SIDE)
Description
COMPONENT DESCRIPTION
Air Mix Door Motor
The air mix door motor (passenger side) (1) is attached to the heater
& cooling unit assembly. It rotates so that the air mix door is opened or closed to a position set by the unified meter and A/C amp. Motor rotation is then conveyed through a shaft and the air mix door position feedback is then sent to the unified meter and A/C amp. by PBR
built-in air mix door motor.
Component Function Check
1. CONFIRM SYMPTOM BY PERFORMING THE FOLLOWING OPERATIONAL CHECK
1.Turn temperature control dial (passenger side) clockwise until 32.0�C (90�F) is displayed.
2.Check for warm air at discharge air outlets.
3.Turn temperature control dial (passenger side) counterclockwise until 18.0�C (60�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. Without ACCS (WITHOUT
ACCS) or With ACCS (WITH ACCS).
Is the inspection result normal?
YES- GO TO 5.
NO- GO TO 2.
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.
5. CHECK INSTALLATION OF AIR MIX DOOR MOTOR (PASSENGER SIDE)
Check air mix door motor is properly installed (passenger side). Exploded View.
Is it installed normally?
YES- INSPECTION END
NO- Repair or replace air mix door motor (passenger side).