With ACCS

INTAKE DOOR MOTOR:_:WITH ACCS





Description

COMPONENT DESCRIPTION

Intake Door Motor





The intake door motor (1) is attached to the blower unit. It rotates so that air is drawn from inlets set by the unified meter and A/C amp.
Motor rotation is conveyed to a lever which activates the intake door.

Arrow :Vehicle Front




Component Function Check
1.CONFIRM SYMPTOM BY PERFORMING THE FOLLOWING OPERATIONAL CHECK
1. Press AUTO switch. AUTO INTAKE indicator and REC indicator turns ON (auto intake mode).
2. Press intake switch. AUTO INTAKE indicator and REC indicator turns OFF (fixed FRE mode).
3. Press intake switch again. REC indicator turns ON (fixed REC mode).
4. Press intake switch again. AUTO INTAKE indicator and REC indicator turns ON (auto intake mode).
5. Listen for intake door position change. (Slight change of blower sound can be heard.)

NOTE:
Confirm that the compressor clutch is engaged (sound or visual inspection) and the intake door position is at
FRE when D/F or DEF is selected.
Is the inspection result normal?
YES - INSPECTION END
NO - Go to diagnosis procedure. SEE Diagnosis Procedure.




Diagnosis Procedure
1.PERFORM SELF-DIAGNOSIS
Perform self-diagnosis function. Diagnosis Description With ACCS Unified Meter & A/C Amp.
Is the inspection result normal?
YES - GO TO 5.
NO - GO TO 2.
2.CHECK POWER SUPPLY FOR INTAKE DOOR MOTOR
Check voltage between intake door motor harness connector and ground.





Is the inspection result normal?
YES - GO TO 3.
NO - Repair harness or connector.
3.CHECK SIGNAL FOR INTAKE DOOR MOTOR
Confirm A/C LAN signal between intake 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 INTAKE DOOR MOTOR GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect intake door motor connector.
3. Check continuity between intake door motor harness connector and ground.





Is the inspection result normal?
YES - Replace intake door motor.
NO - Repair harness or connector.
5.CHECK INTAKE DOOR CONTROL LINKAGE
Check intake door control linkage is properly installed. Exploded View.
Is it installed normally?
YES - INSPECTION END
NO - Repair or adjust control linkage.