Purpose
The blower unit switches between fresh air and recirculated air (FRESH/REC) and sends airflow into the cabin.
Function
Air is blown by the blower motor in the blower unit.
The blower unit switches the air intake port to FRESH or REC based on the position of the air intake door.
Construction
The blower motor consists of the following parts:
Blower motor
Air intake door
Air intake actuator
Air filter

Operation
When the blower motor rotates, air is taken in from the outside of the vehicle or the cabin.
The air taken in flows in the fresh air direction or recirculate direction according to the operation of the air intake link. The air intake port changes by the movement of the air intake door.

Fail-safe
Function not equipped.
Basic System
Blower Unit Disassembly/AssemblyRear Door Quarter Glass Removal/Installation
1. Fully lower the rear door glass.
2. Disconnect the negative battery cable..
3. Remove the rear door trim..
4. Remove the rear door weather strip arrow (1) shown in the figure.
5. Remove the service hole cover No.1 arrow (2) shown in the figure.
CAUTION:
When removing service ...
Driveline/Axle Abbreviations
AAS
Active Adaptive Shift
ABS
Antilock Brake System
ABDC
After Bottom Dead Center
ACC
Accessories
AFS
Adaptive Front Lighting System
ALC
...
Camshaft Position (CMP) Sensor Removal/Installation
CAUTION:
When replacing the CMP sensor, make sure there is no foreign material on
it such as metal shavings. If it is installed with foreign material, the sensor
output signal will malfunction resulting from fluctuation in magnetic flux and
cause a deterioration in engine control.
...