![]() ![]() If you are sure the sensor is working properly reset the light on the dashboard and inspect the wiring. This malfunction will activate the ABS light. A common tell-tale sign is an inaccurate or erratic speedometer. ![]() This can be the result of damaged wire from the speed sensor. In turn, the ABS module doesn’t know if it must apply more or less pressure to that specific wheel. If it is faulty it won’t tell the ABS module what the speed of a wheel is compared to the other wheels. The speed sensor (sometimes referred to as the ABS sensor, ABS wheel sensor, or wheel sensors) located on each wheel, measures the rotation speed of the wheel. The ABS control module needs constant information from the wheels to know which one is about to skid. Worn brake pads can also decrease the braking fluid level. This will often be indicated by a red warning light. The ABS module measures the fluid amounts to warn you if it gets too low. Low Brake Fluidīecause the brake system is a hydraulic system, you won’t be able to create enough resistance if the brake fluid is low because it relies on hydraulic pressure. 5 Common causes for ABS light Being On 1. There is no difference between regular car brakes and anti-lock brakes. Red ABS lights usually point to hydraulic associated faults in the ABS systems. Yellow ABS lights generally are associated with a fault in the car’s electrical system. Most vehicles have a yellow and a red ABS light. The ABS system detects when something isn’t within the intolerances. ABS brakes don’t necessarily rake faster but do help keep control when braking. The ABS system collects information from the wheel speed sensor and hydraulic unit to determine which wheel is about to skid it, in turn, reduces the force on that wheel and applies it again 100’s of times a second, giving that familiar pedal shudder we all have experienced when you slam on the brakes. Which is able to regulate the stopping force sent to each wheel. Thus enters the Antilock Braking System also known as the ABS system It can cause you to lose control as it reduces the vehicle’s directional stability. ![]() When showing off, skidding is cool but when trying to stop not so much. Less weight on the wheels means it’s easier for those wheels to stop i.e. Throw in uneven and dirty road surfaces and you have a recipe for disaster. Added to this when you brake, the weight of the vehicle moves. Hydraulics like most things in nature like to follow the path of least resistance. This though is the part when it becomes tricky. Vehicle brakes are a hydraulic system where when you apply pressure to the pedal it applies a boosted pressure to the brakes on each wheel. In short, it’s an electronically controlled safety measure that keeps you from skidding when you stop in less than ideal conditions. 6 Final thoughts How Does an Anti-Lock Braking System (ABS) Work? ![]()
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