Purpose
Registration of the position of the accelerator pedal and transmission of information to the engine control unit.
Design
The accelerator pedal position sensor contains two Hall sensors, two magnets, an electronic circuit and a return spring.
VN 9.009 1. Accelerator pedal; 2. Fastening screws; 3. Floor covering; 4. Accelerator pedal sensor B37 / 3; 5. Mode switch «kickdown» B37/3s1
Operating principle
Changing the direction of the magnetic flux (vector B) causes a change in signal voltage.
The pedal position signal is transmitted in duplicate in order to compensate for possible errors.
VN 9.010 Accelerator pedal position sensor; B. The direction of the magnetic flux; Min. The position of the released accelerator pedal; Max. Apparent power position H. Hall sensor