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Diagnostic Trouble Code: B1791
Diagnostic Trouble Code Name: Autolamp Sensor Input Circuit Open
Vehicle Make: Ford
Vehicle Model: Falcon (BF)
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:
Accelerator Pedal Position Sensor 1 Circuit
Possible Sensor Faults
ECM
Possible Related Diagnostic Trouble Codes
DTC P2120, P2122, P2123, P2125, P2127, P2128, or P2138
Circuit / System Description
The accelerator pedal assembly contains 2 accelerator pedal position (APP) sensors. The APP sensors are mounted to the accelerator pedal assembly and are not serviceable. The APP sensors provide a signal voltage that changes relative to pedal position. The engine control module (ECM) supplies each APP sensor with a 5-volt reference circuit, a low reference circuit, and a signal circuit.
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