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Diagnostic Trouble Code: 117
Diagnostic Trouble Code Name: Engine Coolant Temperature Sensor (ECT) circuit low input
Vehicle Make: Ford
Vehicle Model: Falcon (EL)
Diagnostic Code Entered By: ZerOne
Diagnostic Code Entered On: Wed Oct 06, 2010 11:00 pm
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Please Note: The DTC Information provided has been randomly generated.
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Diagnostic Trouble Code Description:
Fuel Heater Relay Control Circuit
Possible Sensor Faults
ECM
Possible Related Diagnostic Trouble Codes
DTC P2687
Circuit / System Description
Ignition voltage is supplied to the coil side of the fuel heater relay whenever the ignition is ON. The engine control module (ECM) provides a ground to control the fuel heater relay. When the ECM is commanding the fuel heater ON, the voltage of the control circuit should be low, near 0?V. When the ECM is commanding the fuel heater OFF, the voltage of the control circuit should be high, near battery voltage.
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