Paying attention to your vehicle is fundamental in these days, indeed, if you do not do the minimum maintenance of it, or if you do not take into account symptoms of abnormality, you highly risk to see your car getting in bad conditions. This is precisely the topic we are going to discuss on this webpage, one of the symptoms that most disturbs car owners is the ABS warning light on Subaru Legacy. In an attempt to help you review this warning light, we will first check out what this ABS warning light corresponds to, then in a second what to do if the ABS light is on Subaru Legacy?.
What does the ABS light on Subaru Legacy signify?
We will begin our content with the definition of an ABS warning light on Subaru Legacy, to do this, in first, we will see what an ABS is, and afterwards, why the ABS light on your car lights up.
What is the ABS on Subaru Legacy?
To begin with, it is necessary to explain to you what the ABS of your Subaru Legacy is intended for so that you can understand the remaining of this article content. The ABS (Anti-lock Braking System) is a device that prevents the wheels of your car from locking during braking. The purpose of this system is to optimise 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 Legacy is consisting of different elements, 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 Legacy
In fact, you can quite easily come to feel 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 actions that ABS allows, it will optimise braking to the maximum by relating the phases of pressure on the brake discs and the phases of discharge to prevent the wheels from locking up.
Meaning of an ABS light on Subaru Legacy
Now we proceed to the part that you are almost certainly more curious about, meaning of an ABS warning light on a Subaru Legacy? To begin with, it is an orange light, so if it is on it means that your ABS system is defective. You should be informed that once 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 Legacy can alert:
- It could be a simple short circuit, a damaged wiring harness, a defective 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 Legacy to come on
- The ABS hydraulic block of your Subaru Legacy: If it is defective 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 come on.
What if the ABS light turns on on my Subaru Legacy?
We will now proceed to the part where we will try to give you some answers to switch off this light, and thus answer the following question, what to do if the ABS light is on on my Subaru Legacy?. The answers will depend on the failures you are encountering. To begin with, pass your Subaru Legacy to the diagnostic tool, if you don’t know how to read a fault code on Subaru Legacy, don’t think twice to examine our article content which details the steps to take. Once you have discovered the source of your problem, here are the steps to take to resolve it and turn off the ABS light on your Subaru Legacy:
- Problem of the ECU or the hydraulic block: It can only be adjusted, and in this case, 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 problem: Once you’ve spotted an electrical problem with your manometer, if it’s only a fuse or a relay, count around 10€ maximum, in any other case you’ll have to repair the wiring harness.
- A defective sensor: Occasionally a simple cleaning of the sensors will be enough to remedy the problem, in any other case changing a sensor can cost up to a few hundred euros.
Whenever you have any further questions about the Subaru Legacy, do not hesitate to consult our Subaru Legacy category.