Mazda CX-5 Service & Repair Manual: 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 displays the engine speed per minute.
Construction
-
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).
-
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:
Starter Relay [Skyactiv G 2.0]
Purpose, Function
The starter relay supplies power to the starter by receiving the signal from
the PCM.
Construction
The starter relay is installed to the relay and fuse block.
Operation
The contact point is on when the voltage is supplied to the coil based on
...
Oil Control Valve (OCV)
Purpose, Function
The OCV switches the oil passage to the hydraulic variable valve timing actuator
to control the opening/closing period of the exhaust valve.
Construction
The OCV is installed to the exhaust camshaft cap (No.1).
The OCV consists of a spool valve wh ...
Blower Unit Removal/Installation
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Front scuff plate (passenger-side).
b. Front side trim (passenger-side).
c. Dashboard under cover.
d. Glove compartment.
e. Decoration panel.
f. Lower panel (passenger-side).
3. Disconnect the blower motor c ...
