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:
Controller Area Network (Can) System
Outline
A CAN system has been adopted which can send and receive multiple signals
over a single communication path from related modules.
System wiring diagram
HS-CAN
MS-CAN
Structure
The CAN system consists of CAN system-related modules built into the CPU
...
Engine Coolant Protection Inspection
1. Measure the engine coolant temperature and specific gravity using a thermometer
and a hydrometer.
CAUTION:
Use engine coolant at a concentration that meets the environmental conditions
in which the vehicle is driven, otherwise engine damage could occur.
The engine has alumi ...
Master Cylinder Removal/Installation
1. Remove the battery..
2. Remove in the order indicated in the table.
3. Install in the reverse order of removal.
4. After installation, add brake fluid, bleed the air, and inspect for fluid
leakage..
1
Brake fluid level sensor connector
2
...
