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:
Blind Spot Monitoring (Bsm) Control Module Inspection
1. Disconnect the negative battery cable..
2. Remove the rear combination light..
3. Remove the rear bumper..
4. Connect the negative battery cable..
5. Verify that the voltages of each of the terminals are as indicated in the
terminal voltage table (reference).
If the voltage is n ...
Engine Oil Control
Outline
The PCM reduces the oil pump load applied to the engine by controlling the
appropriate engine hydraulic pressure according to the engine operation conditions.
The engine hydraulic pressure switches in two steps. When hydraulic pressure
is not needed, the oil pump dischar ...
Fuel Injector Inspection
Resistance Inspection
1. Disconnect the negative battery cable..
2. Remove the plug hole plate..
3. Disconnect the fuel injector connector.
4. Inspect the resistance between fuel injector terminals A and B.
Fuel injector resistance
1.74—2.04 ohms [20 °C {68 °F}]
...
