A warning light that goes off is never a good sign. It is easy to think that this is simply a problem related to sensors . However, it is essential to pay attention to it. What is ABS used for? Why does the indicator light come on? What to do? We will answer these questions, so you can take the wheel of the Renault Grand Espace 3 with confidence.warning-abs-Renault-Grand-Espace-3

What is ABS on a Renault Grand Espace 3

ABS means Anti Blocking System . It is a mechanism that will improve your braking, among other things for intensive braking. Before the development of ABS, the brake pedal was directly linked to the pads. As soon as the pedal was depressed, the pads closed on the discs. The downside with this system is that there may be a chance of skating. Thanks to probes, ABS calculated the braking system. Instead of maintaining the discs, the pressure will vary a number of times in a very short time, to avoid a blocking full of Renault Grand Espace 3 tires. Not a single slip, and braking becomes much more efficient.

Renault Grand Espace 3: why the ABS warning light is on

When the ABS warning light is on, it is certain that this Renault Grand Espace 3 has a problem. As with all of the other witnesses, it is quite common for this to be simply an electrical connection problem. However, it is better to be certain.

False contact

Reassemble the ABS sonar cables of this Renault Grand Espace 3 and read the electrical current using a multimeter . If one of them does not have the same value as the other three, it is because there is a false contact. Follow the line, if you find a bad connection it is necessary to fix it. If a wire is ever damaged, it must be changed.

A sensor problem

This is naturally a rather recurring problem for a Renault Grand Espace 3. It sometimes happens that your sensor sends a bad message. In this case, it will suffice to change the sensor in question. You can test the probes with a oscilloscope .

A problem with the hydraulic block

The ABS of this Renault Grand Espace 3 works thanks to a mechanism hydraulic , which will manage the pressure of the brake pads. When this mechanism is damaged, changing the ABS unit is usually mandatory. When this remains a block problem, you can usually feel it when braking.

Conclusion

The ABS warning light that remains on can come from a variety of causes. Either a sensor problem, an electrical fault. If your ABS unit fails, it is probably necessary to change it. And this operation turns out to be rather expensive, for a Renault Grand Espace 3 or for any car model. It is essential not to neglect an ABS witness, for understandable safety reasons. Leave a comment if this special ABS indicator light file has ever helped you. See you soon!