If both systems are malfunctioning, the ECM detects an incorrect signal voltage between the sensor circuits and assumes that the throttle pedal angle is fully depressed, and then continues to control the accelerator. At this time, the vehicle can move in the mode «small gas».
Pic. 2.219. Pedal Position Sensor Failure Compensation Mode: 1 – sensor of position of a pedal of management of giving of fuel; 2 - main; 3 - additional; 4 - electronic engine control unit; 5 - throttle position sensor