Mazda CX-5 Service & Repair Manual: Tachometer

Mazda CX-5 Service & Repair Manual / Body / Driver Info & Control / Gauges / Tachometer

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.

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