Speed Sensor 095927321C

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The wheel ABS sensor in a car is a critical component of the anti-lock braking system. It is responsible for monitoring the rotational speed of each wheel during braking. The sensor is typically located on each wheel hub and consists of a small magnet and a coil of wire. As the wheel rotates, the magnet passes by the coil producing an alternating current.

This alternating current signal is then sent to the car's ABS control module for analysis. The ABS control module uses this information to determine if any wheel is about to lock up or lose traction. If a wheel is at risk of locking up, the ABS control module sends signals to modulate brake pressure to that specific wheel, effectively preventing it from skidding. By continuously monitoring the wheel speed and controlling brake pressure accordingly, the wheel ABS sensor helps maintain optimal traction and stability during braking, enhancing the overall safety and control of the vehicle.