Diesel Data: Automotive Repair
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Fault Code 14

Fault Code 14

Coolant Temperature Input
- Sensor, harness or Air Conditioning Control Module (A/CCM) open circuit.
- Sensor, harness or A/CCM short circuit to ground.

This in put is derived from the instrument pack, a continuity check can be carried out from pin 22, instrument pack (24-way connector), to pin 40 (16-way connector) of the A/CCM.

The instrument pack input from the engine coolant temperature sensor, is covered in Instrument Panel, Gauges and Warning Indicators / Testing and Inspection, Instrument Pack and Trip Computer.
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