Auto Parts Toyota Mazda 6 Throttle Pedal Throttle Position Sensor, Model: S48c-41-AC0, Throttle Springboard Position Sensor, Car Sensor

Throttle position sensor, also known as throttle opening sensor or throttle switch, is used to detect the state of the engine.

Effect

Throttle position sensor is also called throttle opening sensor or throttle switch. Its main function is to detect whether the engine is in idle or load conditions, acceleration or deceleration conditions. It is essentially a variable resistor and several switches mounted on the throttle body. The shape and internal structure are shown in the following figure.



The rotary shaft of the resistor is connected with the throttle. It has two contacts: full open contact and idle contact. When the throttle is in the idle position, the idle contact closes and the idle working condition signal is output to the computer; when the throttle is in other position, the idle contact opens and the voltage signal is output at different angles to the throttle, the computer can identify the load of the engine according to the signal voltage value; according to the change rate of the signal voltage in a certain period of time, it can identify whether the accelerating working condition or the reducing condition is accelerated or not. Speed condition. According to these working conditions, the computer can modify the injection quantity or control the oil cut-off.




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