Traditional Culture Encyclopedia - The 24 Solar Terms - What's with the snow gear of the automatic car?
What's with the snow gear of the automatic car?
The traction control system realized by electronic throttle, also called drive acceleration slip adjustment, can realize all the functions of ordinary snow mode itself, so this kind of vehicle sometimes has no snow mode button, of course, if there is one, it must be pressed when driving in snow. This snow mode reduces the engine power by reducing the throttle opening, thus achieving the control purpose. Firstly, ECU collects signals such as accelerator pedal position, wheel speed and steering angle of steering wheel, calculates the slip rate and generates corresponding control voltage signals. At this time, the throttle is controlled by these signals, which is not affected by the driver's intention, and the response to the accelerator pedal is reduced. The power output of the engine is less than normal, and the wheels are not easy to slip. Coupled with ESP system, by applying braking force to four wheels respectively, not only the anti-skid effect in auto start can be achieved, but also the driving stability will be quite high.
If it is an electronic throttle, but there are no auxiliary electronic systems such as TCS and ESP, then you need to start in high gear or press the snow mode button like an ordinary automatic car.
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