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:
Map Light Inspection
Front Map Light
1. Disconnect the negative battery cable..
2. Remove the front map light..
3. Verify that the continuity between the front map light terminals is as indicated
in the table.
If not as indicated in the table, replace the front map light or front map
light bulb ...
Cooling System
Outline
Passing water resistance is reduced by improvement of the engine coolant
passage shape.
Pump efficiency is improved by changing the water pump impeller to the closed
impeller.
Structural View
Flow Chart
Structure
Consists of the followi ...
License Plate Light
Purpose
The license plate lights shine light on the license plate during nighttime
driving.
Function
The license plate lights illuminate in conjunction with the operation of
the light switch.
Construction
The license plate lights are installed to the liftgate.
...
