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:

Air Fuel Ratio (A/F) Sensor
Purpose/Function Detects the oxygen concentration (all-range air/fuel ratio) in the exhaust gas as basic information for mainly determining the fuel injection amount. Detects the oxygen concentration (all-range air/fuel ratio) in the exhaust gas and inputs it to the PCM as an ox ...

Purge Control
Outline An appropriate amount of evaporative gas is fed into the intake manifold by the purge solenoid valve operation according to the engine operation conditions. This ensures driveability and prevents release of evaporative gas into the atmosphere. The PCM drives the purge so ...

Air Bag System Service Warnings [Standard Deployment Control System]
Air Bag Module Inspection Inspecting an air bag module using a tester can operate (deploy) the air bag module, which may cause serious injury. Do not use a tester to inspect an air bag module. Always use the on-board diagnostic function to diagnose the air bag module for malfunctions ...