Does the electronic throttle have an idle motor?

Bian Xiao sorted out "Does the electronic throttle have an idling motor?" Related content of, as shown below. The electronic throttle has no idle motor and depends on air pressure. The functions of idle motor are as follows:

1 is mainly used to bear the idle speed of the car, and its purpose is to adjust the idle speed according to the engine load during idle speed. Idle stepper motor is installed on the throttle body and used by the engine controller to control the idle speed of the engine. When the engine speed deviates from the idle speed, it is adjusted by the throttle valve to control the amount of air entering the intake manifold, which is mechanically operated by the accelerator pedal wire rope.

2. The throttle body has a bypass air passage to provide air when the engine is idling (when the throttle is closed). The pivot of the automatic idle motor extends into the bypass duct to adjust the air flow, and the engine controller adjusts the engine idle speed by moving the pivot of the automatic idle motor in and out of the bypass duct according to the input signals of various sensors;

3. When the ignition key is turned to the on position, the automatic idle motor starts to work. The switch signal is input to ECU to detect whether the engine is idling. At the same time, the instantaneous position of motor is fed back to ECU through motor position sensor.

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