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Home >> Infiniti >> 2018 >> QX60 AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Introduction And Basic Inspection) >> System Description >> Component Location >> Accelerator Pedal Position Sensor
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Accelerator Pedal Position Sensor

The accelerator pedal position Sensor is integrated with the accelerator pedal. The Sensor detects the accelerator position and sends a signal to the ECM.

Accelerator pedal position Sensor has 2 Sensors. These Sensors are a kind of potentiometer which transform the accelerator pedal position into output voltage, and emit the voltage signal to the ECM. The ECM judges the current opening angle of the accelerator pedal from these signals and controls the throttle control motor based on these signals.

G00576146Courtesy of NISSAN NORTH AMERICA, INC.

Idle position of the accelerator pedal is determined by the ECM receiving the signal from the accelerator pedal position Sensor. The ECM uses this signal for engine operations such as fuel cut.