Tachometer: Description and Operation

Tachometer

Tachometer:

The Tachometer is controlled by the instrument cluster. The cluster receives electronic information, via SCP communications, from the PCM for the RPM of the engine. The electronic signal is a buffered representation of the Camshaft Position Sensor (CMP) signal.

An open or short circuit of the tachometer output wiring will result in an inoperative tachometer.