Accelerator position detection device with improved abnormal detection

An accelerator position detection device comprising:

• a handlebar grip that is turnable in a normal rotation direction and in a reverse rotation direction from a neutral position and that is energized to the neutral position when no operation is applied;
• accelerator position sensors that output voltage according to an angle of the handlebar grip and that include a first sensor and a second sensor;
• and
• a detector that detects an angle for control for controlling a vehicle on the basis of the angle of the handlebar grip according to output from the accelerator position sensors,
• wherein the first sensor outputs a first voltage rising in volume from a position exceeding a first rise start angle located in a normal rotation direction by a predetermined quantity from the neutral position in the normal rotation direction,
• wherein the second sensor outputs a second voltage rising in volume from a position exceeding a second rise start angle located in a reverse rotation direction from the neutral position by a predetermined quantity in the normal rotation direction,
• wherein the detector detects an angle for control as a positive value on the basis of the first voltage when the first voltage in a rising range is output, and
• wherein the detector detects an angle for control as a negative value on the basis of the second voltage when a first initial value not located in the rising range is output.