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 speed signal from the PCM and displays the current vehicle speed.
Construction
An analog needle display speedometer with a stepping motor mechanism has been adopted.

Operation
The instrument cluster receives (1) the vehicle speed signal from the PCM when the ignition is switched ON (engine on).
The instrument cluster moves the needle based on the vehicle speed signal and displays (2) the current vehicle speed.

Fail-safe
Function not equipped.
Odometer/Tripmeter
TachometerClutch Cover Inspection [C66 M R]
1. Remove the clutch cover..
2. Perform the following procedures to inspect the clutch cover.
If it exceeds the maximum specification, replace the clutch cover..
a. Measure the wear of the diaphragm spring fingers.
Clutch cover diaphragm spring fingers maximum depth
0.6 ...
Ion Sensor
Purpose/Function
Detects ion generation in the combustion chamber for detecting pre-ignition.
Detects ions which occur due to fuel combustion as current by applying bias
voltage to the spark plug, which is amplified in the ignition coil internal
circuit and input to the PCM.
...
Air Intake Actuator [Manual Air Conditioner]
Purpose
The air intake actuator moves the air intake door in the blower unit to switch
the air intake port.
Function
The air intake actuator drives the motor based on the signal from the climate
control unit and moves the air intake door to the FRESH or REC position.
...