Manual Air Conditioning

INTAKE DOOR MOTOR

Description


INTAKE DOOR MOTOR






- The intake door motor (1) is installed to A/C unit assembly.





- The A/C control (built in A/C amp.) sends the control signal to
Intake door motor. When intake door motor receives the control signal, intake door is moved to appropriate position.


Diagnosis Procedure


POWER SUPPLY CIRCUIT


1. CHECK INTAKE DOOR MOTOR DRIVE SIGNAL

1.Turn the ignition switch ON.
2.Check voltage between intake door motor harness connector and the ground when intake switch is operated.





Is inspection result normal?
YES- GO TO 4.
NO- GO TO 2.

2. CHECK CONTINUITY BETWEEN A/C CONTROL AND INTAKE DOOR MOTOR

1.Turn the ignition switch OFF.
2.Disconnect the A/C control connector.
3.Disconnect the intake door motor connector.
4.Check continuity between A/C control harness connector and intake door motor harness connector.





Is inspection result normal?
YES- GO TO 3.
NO- Repair the harnesses or connectors.

3. CHECK CONTINUITY BETWEEN INTAKE DOOR MOTOR AND GROUND

Check continuity between intake door motor harness connector and the ground.





Is inspection result normal?
YES- Replace the A/C control.
NO- Repair the harnesses or connectors.

4. CHECK INTAKE DOOR MOTOR

Perform the intake door motor component inspection. .
Is inspection result normal?
YES- Replace the A/C control.
NO- Replace the intake door motor.


Component Inspection


1. CHECK INTAKE DOOR MOTOR

1.Turn the ignition switch OFF.
2.Disconnect the intake door motor connector.
3.Supply to the intake door motor terminal directly, confirm the motor operation by listening the sound or by visually.





Is inspection result normal?
YES- INSPECTION END
NO- Replace the intake door motor.