Mazda CX-5 Service & Repair Manual: Tachometer
Purpose
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The tachometer notifies the driver of the engine speed.
Function
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The instrument cluster controls the tachometer needle based on the engine speed signal from the PCM and displays the engine speed per minute.
Construction
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An analog needle display tachometer with a stepping motor mechanism has been adopted.
Operation
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The instrument cluster receives (1) the engine speed signal from the PCM when the ignition is switched ON (engine on).
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The instrument cluster moves the needle based on the engine speed signal and displays (2) the current engine speed.
Fail-safe
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Function not equipped.
Speedometer
Purpose
The speedometer notifies the driver of the speed at which the vehicle is
traveling.
Function
The instrument cluster controls the speedometer needle based on the vehicle ...
Trip Computer Information System
Outline
The trip computer system displays the instantaneous fuel economy, average
fuel economy, remaining distance to empty, and the average vehicle speed.
The instrument cluster per ...
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How to Use This Manual
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Tire Pressure Monitoring System
Tire Pressure Monitoring System
• The Tire Pressure Monitoring System (TPMS)
monitors the air pressure of all four wheels. If the air pressure of one or more
tires is too low, the system warns the driver by indicating the tire pressure monitoring
system warning light in the instrument clust ...
Engine
Special Features
For SKYACTIV-G 2.0, the following is performed to lower fuel consumption.
Improvement of mechanical resistance loss
Narrowed down crankshaft journal
Optimized piston skirt shape
Lowered piston ring tension
...
