Watching your vehicle is important in these modern times, indeed, if you do not do the minimum service of it, or if you do not take into account signs of abnormality, you highly risk to observe your car withering away. This is specifically the subject we are gonna talk about on this webpage, one of the indicators that most perturbs motorists is the ABS warning light on Subaru Impreza. In an attempt to help you analyze this warning light, we will first look at what this ABS warning light corresponds to, then in a second how to proceed if the ABS light is on Subaru Impreza?.


What does the ABS light on Subaru Impreza indicate?

We will commence our paper with the meaning of an ABS warning light on Subaru Impreza, to do this, in first, we will find out what an ABS is, and afterwards, why the ABS light on your car lights up.

What is the ABS on Subaru Impreza?

First of all, it is fundamental to describe to you what the ABS of your Subaru Impreza is used for so that you can understand the rest of this content. The ABS (Anti-lock Braking System) is a device that prevents the wheels of your car from locking during braking. The aim of this system is to optimize the braking distance of a car by preventing the wheels from locking, sliding on the road and you losing control of your car. The ABS system of your Subaru Impreza is composed of different components, here they are:

  • Speed sensors on each wheel, which will analyze if one of the wheels locks up.
  • A hydraulic system and valves that will manage the pressure of the pads on the discs to manage the braking power of the car
  • A computer that is the control center of your entire ABS system as well as the ABS light of your Subaru Impreza

The truth is, you can with ease experience how your car’s ABS works. If you have to steer, you will find that your car will brake by pawing, this is exactly the behaviour that ABS enables, it will optimise braking to the maximum by relating the phases of pressure on the brake discs and the phases of release to prevent the wheels from locking up.

Meaning of an ABS light on Subaru Impreza

Now we proceed to the part that you are almost certainly more keen on, meaning of an ABS warning light on a Subaru Impreza? First of all, it is an orange light, so if it is on it denotes that your ABS system is faulty. You should be informed that whenever the ABS warning light is on, the ABS will be put into security mode, so you should change your driving and not take any risks. Here are the different problems that the ABS warning light on your Subaru Impreza can show:

  • It could be a simple short circuit, a damaged wiring harness, a faulty relay or fuse. Use a pressure gauge to check it.
  • A malfunctioning ABS sensor: A breakdown of one of them triggers the ABS light on your Subaru Impreza to turn on
  • The ABS hydraulic block of your Subaru Impreza: If it is faulty it is possible that the indicator light will turn on and you will no longer be able to use your ABS.
  • The ABS computer: If the computer has a trouble, being the center of all decisions made to manage your ABS, the light will obviously turn on.

What if the ABS light comes on on my Subaru Impreza?

We will now proceed to the part where we will try to give you some answers to shut off this light, and thus answer the following question, what to do if the ABS light is on on my Subaru Impreza?. The answers will be based upon the deficiencies you are having. First of all, pass your Subaru Impreza to the diagnostic tool, if you don’t know how to read a fault code on Subaru Impreza, don’t think twice to go through our content which details the steps to take. Once you have found the cause of your trouble, here are the steps to take to fix it and turn off the ABS light on your Subaru Impreza:

  • Problem of the ECU or the hydraulic block: It can only be altered, and in this situation, you will have to go through a specialist, but if it’s dead, it could cost you around 1000€ to change the ECU and 1500 to 2000€ if you have to change both of them.
  • Electrical trouble: Once you’ve noticed an electrical trouble with your manometer, if it’s only a fuse or a relay, count around 10€ maximum, otherwise you’ll have to repair the wiring harness.
  • A faulty sensor: Often a simple cleaning of the sensors will be enough to remedy the trouble, otherwise changing a sensor can cost up to a few hundred euros.

If you wish more guides on the Subaru Impreza, go to our Subaru Impreza category.