4/8/2023 0 Comments Abs fault problem peo 206Contemporary anti-lock braking systems are computer- controlled, electrohydromechanical brake hydraulic systems. They were mechanically controlled to modulate brake application. Under normal conditions, this system applies master cylinder hydraulic pressure to all four brakes, and pulsing pressure to each brake when a skid is detected.Įarly anti-lock braking systems were non-electrical, hydromechanical models. Then, anti-lock braking pulses the brakes, which results in an improved measure of control out of the skid.Ī typical ABS consists of four wheel sensors (sometimes two or three), an anti-lock electronic control module and a hydraulic control unit. In a conventional skid, steering control is lost and the vehicle continues to travel in the direction of the skid. If you encounter a skid while braking, the ABS control module senses a slowdown or pause in wheel rotation, modulating brake application to help you steer out of trouble. Anti-skid or anti-lock braking first became more commonplace on cars and trucks in the 1990s as a positive step toward improved safety and vehicle control during hard braking in slippery conditions.Īlthough ABS seems complicated, it’s actually quite simple in function. Since World War II, aircraft have had anti-skid braking systems, and the earliest anti-lock braking systems on automobiles date back to the 1920s. Guide to understanding, troubleshooting and diagnosing your ABSĪnti-lock braking technology has been around for nearly a century.
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