Purpose
The tachometer notifies the driver of the engine speed.
Function
The instrument cluster controls the tachometer needle based on the engine speed signal from the PCM and displays the engine speed per minute.
Construction
An analog needle display tachometer with a stepping motor mechanism has been adopted.

Operation
The instrument cluster receives (1) the engine speed signal from the PCM when the ignition is switched ON (engine on).
The instrument cluster moves the needle based on the engine speed signal and displays (2) the current engine speed.

Fail-safe
Function not equipped.
Speedometer
Trip Computer Information SystemActive Command Modes Inspection [Blind Spot Monitoring (Bsm)]
1. Connect the M-MDS to the DLC-2.
2. After the vehicle is identified, select the following items from the initialization
screen of the M-MDS.
a. Select “DataLogger”.
b. Select “Modules”.
c. Select “BSML” or “BSMR”.
3. Select the simulation items from the PID table.
4. ...
Blower Motor [Full Auto Air Conditioner]
Purpose
The blower motor sends airflow into the cabin.
Function
The blower motor rotates the blower fan to create airflow and sends out the
airflow in the blower unit and A/C unit.
Construction
The blower motor is installed to the blower unit.
The blower m ...
How the SRS Air Bags Work
Your Mazda is equipped with the following types of SRS air bags. SRS air bags
are designed to work together with the seat belts to help to reduce injuries during
an accident.
The SRS air bags are designed to provide further protection for passengers in
addition to the seat belt functions. Be ...