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:
Fuel Pump Relay
Purpose, Function
Controls the fuel pump on/off according to control signals from the PCM.
The fuel pump is operated only at engine start or when the engine is running
to improve safety.
Construction
The fuel pump relay is installed in the relay and fuse block.
...
Driver Side Air Bag Module [Standard Deployment Control System]
Purpose
When the driver-side air bag module receives an impact from a frontal or
frontal offset collision, the operation (deployment) of the air bag mediates
the impact to the head and face of the driver.
Function
When the driver-side air bag module receives an impact from ...
Drive Belt Inspection
Generator Drive Belt
NOTE:
The generator drive belt deflection/tension inspection is not necessary with
the adoption of the drive belt auto tensioner.
1. Verify that the indicator part of the cast hexagon on the drive belt auto
tensioner is within the normal range.
If ...
