How to Fix When the Anti-lock Braking System Light Comes On?
3 Answers
The anti-lock braking system (ABS) light coming on indicates a fault in the ABS system (usually due to a damaged sensor), which prevents it from functioning normally. However, it does not affect normal braking, and you can continue driving. It is advisable to visit a 4S shop or a professional auto repair shop for repairs. It is important to note that in extreme conditions (such as high-speed driving or on icy roads), sudden braking may cause the wheels to lock up. Wheel lock-up refers to a situation where the tires stop rotating during braking, which can lead to loss of vehicle control and potential traffic accidents. More information is as follows: 1. If both the ABS warning light and the brake system warning light come on while driving: This indicates faults in both the ABS and the brake system, and the braking characteristics may change. If it is the latter, you must stop driving immediately and check the brake fluid level. 2. If the fluid level is below the "MIN" mark: Do not continue driving. You should immediately add or replace the brake fluid. If the fluid level is normal, it may indicate a fault in the ABS system, meaning the ABS regulation function has failed, and only the conventional braking system is operational. This can cause the rear wheels to lock up more quickly during braking, leading to skidding. 3. There are two possibilities when the ABS light comes on: If only the ABS warning light is on while driving, it indicates a fault in the ABS system, but the vehicle can still rely on the conventional braking system. You should seek professional repair as soon as possible.
Recently my ABS warning light came on for no apparent reason. After inspection, it turned out the wheel speed sensor was clogged with mud. Washing the inner wheel area with a high-pressure water jet solved the problem. Actually, ABS light illumination is quite common - either due to dirty sensors or loose connectors. If the light stays on after washing, check if the sensor wiring at all four wheels has been damaged by stones. If that doesn't work, you'll need an OBD scanner to read the fault codes - last time I spent 200 yuan on diagnosis only to find the right rear wheel sensor connector had oxidized. Note that with this light on, wheels may lock during emergency braking, making the car particularly prone to skidding in rainy conditions.
I once encountered the ABS warning light coming on. First, I checked the brake fluid level myself, and it was normal. Later, I found out it was a blown fuse located in the fuse box under the steering wheel. I just used needle-nose pliers to replace a small 10A fuse, and the problem was solved. Actually, the ABS system is particularly sensitive to low battery voltage. Once when my battery was aging and the voltage was unstable, the light kept flashing frequently. My advice is not to rush to the dealership. First, check these basic issues: see if the sensor wires on the wheel hubs are worn, feel if the ABS pump connector is overheating, and test the battery voltage. These simple checks can be done by yourself, saving you thousands in repair costs.
