Traditional Culture Encyclopedia - The 24 Solar Terms - Does the broken electronic throttle affect the car?
Does the broken electronic throttle affect the car?
The broken electronic throttle has an impact on the car. The following is the principle of electronic throttle:
1, the structure of electronic throttle is actually relatively simple. The valve plate originally controlled by cable is changed to DC motor to control the valve plate to open, and the valve plate is pushed to the closed position by the return spring when power is cut off;
2. The opening of the valve plate is detected by two throttle position sensors, and the signal is transmitted to the engine computer. The circuits of the two position sensors are independent, and the two signals are generally designed in inverse proportion;
3. The output voltage increases with the increase of valve opening; On the other hand, with the increase of valve opening, the output voltage decreases, but the sum of the two signal voltages is equal to 5 volts;
4. The mutual check of the two signals is to increase the accuracy and reliability of throttle opening control;
5. As long as the two signals are not verified correctly, the accelerator pedal will not work, and the engine computer will limit the power output of the engine and can only run at idle speed.
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