A triggering witness is never a good omen. It is easy to think that this is simply a concern from sensors . That said, it is essential to pay attention to it. What is the role of ABS? Why does the light come on? What should be done? We will answer these questions, this way you will be able to get behind the wheel of your Citroen Sm safely.warning-abs-Citroen-Sm

What is ABS on a Citroen Sm

ABS means Anti Blocking System . It is a system that will improve your braking, especially during intensive braking. Before the creation of ABS, the brake pedal was directly linked to the pads. When pressed, the pads stick to the discs. The trouble with this mechanism is that there may be a chance of skating. With the help of sensors, ABS assesses the braking system. Instead of leaning on the discs, the pressure will vary a number of times in a very short time, thus avoiding a blocking complete wheels of the Citroen Sm. No skating, and braking is much more efficient.

Citroen Sm: why the ABS warning light is on

If the ABS warning light comes on, your Citroen Sm is sure to have a problem. As with all other indicator lights, it is quite common for this to be simply a concern for electrical connection. That said, it is better to be certain.

False contact

Reassemble the ABS sensor cables of your Citroen Sm and read the electrical current with the help of a multimeter . If one of them does not hold the same value as the others, then there is an electrical fault. Reassemble the wiring, if you discover a bad connection it is necessary to troubleshoot it. When a cable is damaged, it must be replaced.

A sensor problem

This is naturally a rather recurring concern on a Citroen Sm. Your sonar may be sending an erroneous message. Therefore, it will suffice to replace the sensor in question. You can control the sensors using a oscilloscope .

A problem with the hydraulic block

The ABS of your Citroen Sm works using a device hydraulic , which will manage the force of the brake pads. If ever this device is deficient, the replacement of the ABS unit is generally essential. If it's a problem with the block, you can often feel it when braking.

Conclusion

The ABS warning light that remains on can come from a variety of reasons. Whether it's a sensor issue, a false contact. In case your ABS unit is defective, it is certainly necessary to replace it. And this operation happens to be relatively expensive, on a Citroen Sm or on any type of car. It is essential not to abandon an ABS warning light, for obvious safety reasons. You can write a comment in case this special ABS witness text served you. Enjoy the road!