Mazda CX-5 Service & Repair Manual: Speedometer
Purpose
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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 speed signal from the PCM and displays the current vehicle speed.
Construction
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An analog needle display speedometer with a stepping motor mechanism has been adopted.
Operation
-
The instrument cluster receives (1) the vehicle 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 vehicle speed signal and displays (2) the current vehicle speed.
Fail-safe
-
Function not equipped.
Odometer/Tripmeter
Purpose
The odometer/tripmeter notifies the user of the total travel distance or
the traveled distance over a specific interval.
Function
The instrument cluster calculates the t ...
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 ...
Other materials:
Fuel Pressure Sensor
Purpose/Function
Detects the fuel pressure in the fuel distributor as basic information for
mainly determining the fuel injection amount.
Detects the fuel pressure in the fuel distributor and inputs it to the PCM
as a fuel pressure signal.
Construction
Installed on ...
Blind Spot Monitoring (Bsm) Control Module
Purpose
Controls the blind spot monitoring (BSM) system.
Function
The BSM control module emits microwaves to detect an oncoming vehicle's position
and speed information via the reflected microwaves.
The BSM system is controlled based on the detected vehicle positio ...
Electrical Fan Control [Skyactiv G 2.0]
Outline
Through cooling of the radiator and condenser by operation of the cooling
fan according to vehicle conditions, engine reliability and cooling performance
have been improved.
Block Diagram
Operation
The PCM determines the demand airflow volume by the following c ...
