TACHOMETER
id092200032600
Purpose
• The tachometer notifies the driver of the engine speed. In addition, it warns the driver to change gears using the red zone, which indicates that the engine is running at excess engine speed, and the striped zone, which indicates that the engine is on the verge of running at excess engine speed.
Function
• The instrument cluster displays the engine speed per minute based on the engine speed signal from the PCM.
Construction
Digital speedometer type
-
• An analog needle display tachometer with a stepping motor mechanism has been adopted.
• The striped zone, which indicates that the engine is on the verge of running at excess speed, and the red zone, which indicates the engine is running at excess speed, are printed on the tachometer.
Analog speedometer type
-
• A digital display tachometer has been adopted.
• The tachometer displays a striped zone, which indicates that the engine is on the verge of running at excess speed, and the red zone, which indicates the engine is running at excess speed.
Operation
1. When the ignition is switched ON (engine on), the instrument cluster receives (1) the engine speed signal from the PCM.
2. The instrument cluster displays (2) the current engine speed based on the engine speed signal.
Fail-safe
• Not applicable
