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Intake Door Motor

* Automatic Air Conditioning System *
TROUBLE DIAGNOSIS PROCEDURE FOR INTAKE DOOR


Inspection Flow:






SYSTEM DESCRIPTION
Component Parts
Intake door control system components are:
1. Auto amp.
2. Intake door motor
3. A/C LAN system (PBR built-in mode motor and air mix door motor)
4. In-vehicle sensor
5. Ambient sensor
6. Sunload sensor
7. Intake sensor





Intake Door Control Specification / Automatic A/C:





System Operation
The intake door control determines intake door position based on the ambient temperature, the intake air temperature and the in-vehicle temperature. When the ECON, DEFROST, or OFF switches are pushed, the auto amplifier sets the intake door at the "Fresh" position.






COMPONENT DESCRIPTION
The intake door motor is attached to the intake unit. It rotates so that air is drawn from inlets set by the auto amplifier. Motor rotation is conveyed to a lever which activates the intake door.


SYMPTOM:
* Intake door motor does not operate normally.


Intake Door Control Specification / Automatic A/C:




Step 1:




Step 2:




Step 3:




Step 4:





DIAGNOSTIC PROCEDURE

Perform Self-diagnosis STEPS 1 before referring to the test group.







CONTROL LINKAGE ADJUSTMENT
Intake Door
1. Install intake door motor on intake unit and connect it to main harness.
2. Set up code No. 41 in Self-diagnosis STEP 4.
3. Move intake door link by hand and hold it in REC position.
4. Attach intake door lever to rod holder.






5. Make sure intake door operates properly when changing from code No. 41 to 46 by pushing DEF switch.