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Home >> Ford >> 2006 >> Focus ZX4 SES, Standard >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Cluster System >> Diagnosis And Testing >> Instrument Cluster >> Principles of Operation >> Tachometer

Principles of Operation: Tachometer

Engine speed data is transmitted to the instrument cluster from the powertrain control module (PCM) over the communication network.