Operation CHARM: Car repair manuals for everyone.

Indicators and Gauges (Without Trip)

Circuit Description

GAUGES Operation
With the ignition switch in ON or START, battery voltage is applied to the gauges (Speedometer, Tachometer, Fuel Gauge and Engine Coolant Temperature Gauge) from fuse 2.


INDICATOR Operation
With the ignition switch in ON or START, battery voltage is applied to the indicator bulb from fuse 2.

Check ENGINE Indicator
The ground of the indicator is controlled by the ECM. The control module will light the indicator when the engine is not running or when it detects engine problems.