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Test F: The Tachometer Is Inoperative

PINPOINT TEST F: THE TACHOMETER IS INOPERATIVE

Normal Operation
The instrument cluster (IC) receives the tachometer data from the PCM over the communication network and commands the tachometer pointer between 0 and 7,000 rpm (4.0L and 5.4L engines), or between 0 and 8,000 rpm (4.6L engine) according to the data.

This pinpoint test is intended to diagnose the following:
- PCM
- Instrument cluster (IC)


F1-F4:




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