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Diagnostic Trouble Code: 1
Diagnostic Trouble Code Name: In Car Sensor Output
Vehicle Make: Chevrolet
Vehicle Model: Epica (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:
Throttle Position (TP) Sensor 1 Circuit High
Possible Sensor Faults
ECM
Possible Related Diagnostic Trouble Codes
DTCP0123
Circuit / System Description
The throttle body assembly contains 2 throttle position (TP) sensors. The TP sensors are mounted to the throttle body assembly and are not serviceable. The TP sensors provide a signal voltage that changes relative to throttle blade angle. The engine control module (ECM) supplies the TP sensors with a common 5-volt reference circuit , a common low reference circuit, and 2 independent signal circuits.
The TP sensors have opposite functionality. The TP sensor?1 signal voltage decreases from above 4?volts at idle to below 1?volt at wide open throttle (WOT). The TP sensor?2 signal voltage increases from below 1?volt at idle to above 4?volts at WOT.
If the ECM detects TP sensor?1 signal voltage is too high, this DTC sets.
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