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/AssemblyManual Transaxle Oil Replacement [C66 M R]
1. Park the vehicle on level ground.
2. Remove the front under cover No.2..
3. Remove the drain plug and gasket, and drain the manual transaxle oil.
4. Install a new gasket and the drain plug.
Tightening torque
39—59 N·m {4.0—6.0 kgf·m, 29—43 ft·lbf}
5. Remove the ...
Intake Air System Removal/Installation
WARNING:
A hot engine and intake air system can cause severe burns. Turn off the engine
and wait until they are cool before removing the intake air system.
1. Disconnect the negative battery cable..
2. Remove in the order indicated in the table.
3. Install in the reverse order o ...
Differential Oil Replacement
1. Place the vehicle on level ground.
2. Remove the filler plug.
3. Remove the drain plug and drain the differential oil into a container.
4. Install a new washer and the drain plug, and tighten.
Tightening torque
40—53 N·m {4.1—5.4 kgf·m, 30—39 ft·lbf}
5. Add the ...