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 [C66 M R]
Purpose, Function
The MTX converts the drive force (speed, torque, rotation direction) input
from the engine according to the shift lever operation inside the vehicle.
Construction
Operation
...
Forced Ignition On
NOTE:
In order to perform a forced ignition ON, the M-MDS is necessary. If the
servicing is being done outside of an Authorized Mazda dealership, contact an
Authorized Mazda dealership for instructions.
The forced ignition ON procedure forces a power supply to each part when
...
Miller Cycle Engine
Outline
The Miller cycle engine is a high-efficiency engine which achieves high fuel
economy performance by obtaining a high-expansion ratio.
The Miller cycle engine achieves a high-expansion ratio without increasing
its effective compression ratio by retarding the intake air va ...