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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROL SYSTEM - SELF-DIAGNOSTICS - 4.2LDIAGNOSTIC TESTSDTC P1275: ACCELERATOR PEDAL POSITION CIRCUIT (SENSOR 1)DESCRIPTION
2003 Chevrolet TrailBlazer 4.2 S, 4WD

DTC P1275: Accelerator Pedal Position Circuit (Sensor 1): Description

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION 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 Powertrain Control Module (PCM) with a signal voltage proportional to accelerator pedal movement. The APP sensor 1 signal voltage at rest position is about the low reference and increases as the pedal is actuated. The APP sensor 2 signal voltage at rest position is about the 5-volt reference and decreases as the pedal is actuated. When APP sensor 1 signal voltage is not within the predicted range, this code sets.

RENDER: 1.0x

NO RELATED

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