Accelerator Pedal Position (APP) System Description: Notes

Fig 1: Accelerator Pedal

Courtesy of GENERAL MOTORS CORP.

The accelerator pedal position (APP) system along with the vehicle electronics and components is used to calculate and control the amount of acceleration and deceleration via fuel injector control. This eliminates the need for a mechanical cable attachment from the accelerator pedal to a throttle body.

The APP system includes, but is not limited to, the following components :

• The accelerator pedal position (APP) sensor assembly
• The engine control module (ECM)