Mazda CX-5 Service & Repair Manual: Speedometer

Mazda CX-5 Service & Repair Manual / Body / Driver Info & Control / Gauges / 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 speed signal from the PCM and displays the current vehicle speed.

Construction

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).
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:

Mass Air Flow (MAF) Sensor/Intake Air Temperature (Iat) Sensor No.1 Removal/Installation
NOTE: Because the IAT sensor No.1 is integrated in the MAF sensor, replacing the IAT sensor No.1 includes replacement of the MAF sensor/IAT sensor No.1. 1. Disconnect the negative battery cable.. 2. Disconnect the MAF sensor/IAT sensor No.1 connector. 3. Remove the MAF sensor/IA ...

Positive Crankcase Ventilation (PCV) Valve
Purpose, Function Prevents release of blow-by gas (unburnt gas) into the atmosphere. The PCV valve is open/closed by the intake manifold vacuum. Construction The PCV valve is installed to the oil separator. The PCV valve consists of a spring and valve. ...

Fuel Pump Control
Outline By switching the fuel pump discharge amount, reduced power consumption and improved fuel economy have been realized. The PCM determines the optimum fuel pump drive force according to the engine operation conditions, and sends the fuel pump drive signal to the fuel pump ...