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Home >> Land Rover >> 2018 >> Range Rover Velar Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 23 (Electronic Engine Controls - V6 S/C 3.0L Petrol -- Range Rover Velar/L560) >> Electronic Engine Controls - V6 S/C 3.0L Petrol >> Description And Operation >> Electronic Engine Controls - V6 S/C 3.0L Petrol (G2270402) >> Description >> Accelerator Pedal Position Sensor

Accelerator Pedal Position Sensor

WARNING: This page is about a different variant/trim than selected.
G14289677Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

The Accelerator Pedal Position (APP) sensor allows the Powertrain Control Module (PCM) to determine the driver requests for vehicle speed, acceleration and deceleration.

The PCM uses this information to determine the setting of the electric throttle, together with information from the following modules:

There are 3 screws that attach the APP sensor and integrated accelerator pedal to a bracket on the lower instrument panel. A 6 pin electrical connector provides the interface with the vehicle wiring harness.

The APP sensor is a twin track potentiometer. Each track receives an independent power supply from the PCM and returns an independent analog signal to the PCM. Both signals contain the same positional information, but the signal from track 2 is half the voltage of the signal from track 1 at all positions.

If both signals have a fault, the PCM adopts a limp home mode, which limits the engine speed to 2000 Revolutions Per Minute (RPM) maximum.

The PCM constantly checks the range and plausibility of the 2 signals and stores a Diagnostic Trouble Code (DTC) if any fault is detected.

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