Mode Door Motor

MODE DOOR MOTOR

Description


COMPONENT DESCRIPTION

Mode Door Motor





The mode door motor (1) is attached to the heater & cooling unit assembly. It rotates so that air is discharged from the outlet set by the unified meter and A/C amp. Motor rotation is conveyed to a link which activates the mode door.







Component Function Check


1. CONFIRM SYMPTOM BY PERFORMING THE FOLLOWING OPERATIONAL CHECK

1.Press MODE switch and DEF switch.
2.Check that the air outlets change according to each indicated air outlet by placing a hand in front of the outlets. Air Distribution.
Is the inspection result normal?
YES- INSPECTION END
NO- Go to diagnosis procedure. .


Diagnosis Procedure


1. CHECK MODE DOOR CONTROL LINKAGE

Check mode door control linkage is properly installed. Door Motor.
Is it installed normally?
YES- GO TO 2.
NO- Repair or adjust control linkage.

2. CHECK POWER SUPPLY FOR MODE DOOR MOTOR

Check voltage between mode door motor harness connector and ground.





Is the inspection result normal?
YES- GO TO 3.
NO- Repair harness or connector.

3. CHECK SIGNAL FOR MODE DOOR MOTOR

Confirm A/C LAN signal between mode 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 MODE DOOR MOTOR GROUND CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect mode door motor connector.
3.Check continuity between mode door motor harness connector and ground.





Is the inspection result normal?
YES- Replace mode door motor.
NO- Repair harness or connector.