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
-
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
-
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:
Variable Valve Timing Mechanism
Outline
Achieves optimum valve timing according to the driving conditions by the
variable valve timing mechanism changing the phases of the camshaft.
An electric type variable valve timing mechanism on the intake side and a
hydraulic pressure type on the exhaust side has been ad ...
Control System Personalization Features Setting Procedure
1. Connect the M-MDS to DLC-2.
2. After the vehicle is identified, select the following items from the initial
screen of the M-MDS.
Select the “Module Programming”.
Select “Programmable Parameters”.
Select menu in the R_BCM.
3. Select an item name, and then ...
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 ...
