Purpose
The air filter removes pollen and dust in the intake air and purifies air flowing into the cabin.
Function
The air filter removes pollen and dust using a dust collecting filter.

Construction
The air filter is installed to the blower unit.
It is necessary to periodically replace the air filter because it cannot be reused by cleaning.
Fail-safe
Function not equipped.
General
Air Filter InspectionMultiplex Communication System
A controller area network (CAN) system has been adopted in which multiplex
communication is performed using a single communication path.
A high-speed controller area network (HS-CAN) has been adopted for the communication
between the following modules:
PCM
...
Fuel and Engine Exhaust Precautions
Fuel Requirements
Vehicles with catalytic converters or oxygen sensors must use ONLY UNLEADED FUEL,
which will reduce exhaust emissions and keep spark plug fouling to a minimum.
Your Mazda will perform best with fuel listed in the table.
Fuel with a rating lower than 87 octane (91 RON) could ...
Differential Oil Temperature Sensor
Purpose, Function
The differential oil temperature sensor detects the rear differential oil
temperature based on the resistance of the thermistor, and inputs it to the
AWD CM.
Construction
The differential oil temperature sensor is installed in the rear differential
carr ...