Install the car on a horizontal surface, lift on a jack and lower on support.

Disconnect the socket of the sensor of speed of a wheel of anti-blocking system of brakes.

Check each sensor at rotation of each wheel with a speed of one revolution per second.

If values do not meet standard, replace the sensor of speed of a wheel of anti-blocking system of brakes.

Tension: 0,25-1,2 B (alternating current).