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 ...
Other materials:
Knock Sensor (Ks)
Purpose/Function
Detects abnormal combustion in the cylinder as basic information for mainly
determining the ignition timing.
Detects abnormal combustion in the combustion chamber and inputs it to the
PCM as a knocking signal.
Construction
Installed on the cylinder ...
Sail Garnish Removal/Installation
1. Open the front door.
2. Affix protective tape to the position shown in the figure.
3. Insert a tape-wrapped flathead screwdriver into the shown in the figure and
remove the clip A in the direction of arrow (1).
4. Pull the sail garnish in the direction of the arrow (2) and remove it w ...
Rain Sensor
Outline
The rain sensor detects the amount of rainfall and calculates the wiper operation
speed, and outputs a windshield wiper control signal to the front body control
module (FBCM) to perform automatic wiper operation (auto wiper system) according
to the amount of rainfall.
...
