A horn that no longer works can potentially become dangerous and must be repaired as soon as possible. You need always, on your Toyota Corolla, be able to report your presence thanks to this vital tool. It may well simply be broken and have a strange sound on your Toyota Corolla, but at any rate it is a problem that you must end. The aim of this article is to go along with you step by step in this action because you will come to the conclusion that you can do it yourself without going to the garage for your Toyota Corolla.
First, start by analysing where the failure came from. Based on this you will know what repairs to do.
We will guide you step by step through the different tests:


Try honking the horn with the cover open. If you hear a sound, but much less strong than usual, it means that some tubes are damaged but some still work. indeed, on your Toyota Corolla there are several trumpets that carry sound.
Step two, try to track down the horn. You will find it nearby the radiator at the front of your car, near the grille. The grille is the small grille at the front of vehicles that makes it possible for air to enter while protecting the parts of your Toyota Corolla.

Horn cables unplugged on my Toyota Corolla

Once the horn is identified, we will try to disconnect and reconnect the connecting wires in order to perform a new test. To do this, take the two connected wires, pull them out by their ends towards you. There should also be a horn fixing bolt that you must unscrew. Then tidy it all up with a brush or something, then reconnect it all. Try honking your horn again. Does it work?
You have found the solution for your Toyota Corolla! If nothing changes, let’s go a little further in the tests and explanations.
You are faced with several solutions at this stage.

Faulty horn horn on my Toyota Corolla

You may well buy another tube to replace the defective ones if you have been able to identify them on your Toyota Corolla thanks to the noise.

Fuse blown

you might want to also check the fuses. To find this fuse box, we invite you to visit our previous article on the subject:
“Where to find the fuse box on a Toyota Corolla”
You should also take a look in your vehicle owner’s manual for the fuse references of the horn fuse that you must determine precisely.
Once the fuse is identified, you can remove it using a pair of pliers. To check if it is burned, look at the metal part. If this one is blown, your fuse has blown on your Toyota Corolla. It must as a consequence be replaced. If it looks new, it should not be questioned.
You can get this fuse in any car shop or garage. Test the horn again after the fuse has been changed. Is your horn working again? Congratulations! If this still doesn’t work for your Toyota Corolla, examine your dashboard and specifically your airbag indicator light. If this one is on, there may be a link. Indeed, it can have an influence on the rotating switch, a part that acts as a relay between the steering wheel and the horn. Having said that, for an airbag indicator problem on your Toyota Corolla, it is wise to go to a professional as it is more challenging to manage alone.


Here are the different causes that could have an impact on your Toyota Corolla’s horn. Trumpets, fuses, rotating switch, airbag. Precisely identifying the fault will help you to remedy it. Be cautious to replace the fuse with an identical fuse of the same intensity.

If perhaps you have any further questions about the Toyota Corolla, do not hesitate to consult our Toyota Corolla category.