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Home >> Isuzu >> 2003 >> Axiom Base, RWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P1285: Accelerator Position Sensor 3 Circuit Fault >> Circuit Description
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Circuit Description

The Accelerator Position (AP) sensor circuit provides a voltage signal relative to accelerator pedal angle. The Accelerator Pedal (AP3) sensor will vary from about 87 percent at idle position to about 34 percent at wide open throttle (WOT). This code detects a continuous short to ground or high in either the circuit or the sensor.