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 SystemOil Control Valve (OCV)
Purpose, Function
The OCV switches the oil passage to the hydraulic variable valve timing actuator
to control the opening/closing period of the exhaust valve.
Construction
The OCV is installed to the exhaust camshaft cap (No.1).
The OCV consists of a spool valve wh ...
Wiper/Washer System Personalization
A customize function has been adopted which switches the auto wiper system
between operable/inoperable.
Using Mazda Modular Diagnostic System (M-MDS)
The auto wiper function can be enabled or disabled using the Mazda Modular
Diagnostic System (M-MDS). Refer to the Workshop M ...
Front Map Light
Purpose
The front map lights shine light at the front of the vehicle interior.
Function
The front map lights illuminate when the map light switch is turned on.
Illuminates according to the lock condition of the driver's door and open/close
conditions of the doors u ...