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Diagnostic Trouble Code: 028
Diagnostic Trouble Code Name: Driver Window Express Down Switch Circuit
Vehicle Make: Daewoo
Vehicle Model: Tosca (V250)
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 (APP) Sensor 2 Circuit
Possible Sensor Faults
ECM
Possible Related Diagnostic Trouble Codes
DTCP2125
Circuit / System Description
The accelerator pedal position (APP) sensors?1 and 2 are located within the accelerator pedal assembly. Each sensor has the following circuits:
A 5-volt reference circuit
A low reference circuit
A signal circuit
This provides the engine control module (ECM) with a signal voltage proportional to accelerator pedal movement. The APP sensors have opposite functionality. APP sensor?1 signal voltage increases as the pedal is depressed, from below 1?volt at rest to above 2.5?volts when fully depressed. The APP sensor?2 signal voltage decreases as the pedal is depressed, from approximately 4?volts at rest to less than 1?volt with the accelerator pedal fully depressed. If the ECM detects that the APP sensor?2 signal voltage is not within the predicted range, this DTC sets.
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