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Home >> Ford >> 2008 >> F 150 4WD V8-4.6L >> Repair and Diagnosis >> Instrument Panel, Gauges and Warning Indicators >> Testing and Inspection >> Pinpoint Tests >> Instrument Cluster >> Test E: The Temperature Gauge Is Inoperative

Test E: The Temperature Gauge Is Inoperative

PINPOINT TEST E: THE TEMPERATURE GAUGE IS INOPERATIVE

Normal Operation
The PCM receives the engine coolant temperature status through hardwired circuitry to the cylinder head temperature (CHT) sensor. The instrument cluster (IC) receives the engine coolant temperature data from the PCM over the high speed controller area network (HS-CAN) communication bus. The instrument cluster (IC) monitors the engine coolant temperature data received from the PCM and provides the temperature gauge indication with a corresponding movement of the pointer. If the instrument cluster (IC) receives no signal, the temperature gauge defaults to the COLD position.

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


E1-E4:




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