A warning light that is on is not a good omen. It's easy to believe that this is quite simply a dysfunction related to sensors . On the other hand, it is essential to pay attention to it. What is the role of an ABS? Why is the indicator light on? How to do? We will try to clarify these questions, this way you can get behind the wheel of your Toyota Prius 4 with confidence.
What is ABS on a Toyota Prius 4
ABS stands for Anti Blocking System . It is a device which offers the possibility of improving braking, in particular during sustained braking. Before the invention of ABS, the brake pedal was simply connected to the pads. When you depressed the pedal, the pads tightened on the discs. The downside with this process is that there is a chance of skating. Thanks to sensors, the ABS assesses braking. Instead of pressing on the discs, the pressure will decrease and then increase various times per second, to avoid a blocking overall wheels of your Toyota Prius 4. Not a single slip, and braking is more efficient.
Toyota Prius 4: why the ABS warning light is on
If the ABS warning light stays on, it is certain that the Toyota Prius 4 has a malfunction. As on all the other indicator lights, it is relatively common that this is quite simply a contact malfunction. However, it is better to be sure.
False contact
Follow the wiring of the ABS sounders of the Toyota Prius 4 and measure the electrical voltage with the help of a multimeter . If one of them does not have the same value as the other three, there is an electrical fault. Follow the line, if you find a bad connection you're going to have to fix it. If ever a cable is damaged, you will have to change it.
A sensor problem
This is obviously a relatively recurrent malfunction on a Toyota Prius 4. The detector may emit an incorrect message. Then, it will suffice to change the sounder concerned. You can check the sensors with a oscilloscope .
A problem with the hydraulic block
The ABS of the Toyota Prius 4 works thanks to a device hydraulic , which gives the opportunity to manage the force of the brake pads. When this device is deficient, replacement of the ABS unit is usually necessary. If ever this remains a block malfunction, it is usually felt when braking.
Conclusion
The ABS warning light that activates can be for very different reasons. Whether it's a sounder malfunction, an electrical fault. Assuming the ABS unit is faulty, you may need to replace it. And this intervention is rather expensive, on a Toyota Prius 4 or on any other model of automobile. It is essential not to neglect an ABS witness, for understandable security reasons. Leave us a comment if this specific ABS warning light article has helped you. See you soon!