A horn that no longer works is likely to become unsafe and must be repaired as soon as possible. You must always, on your Mazda 5, be able to report your presence thanks to this vital tool. It may simply be broken and have a unusual sound on your Mazda 5, but nevertheless it is a problem that you must end. The goal 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 Mazda 5.
First, start by examining where the failure came from. Based on this you will know what repairs to do.
We will help you step by step through the different tests:


Try honking the horn with the cover open. If you hear a sound, but much weaker than usual, it suggests that that some tubes are impaired but some still work. in fact, on your Mazda 5 there are several trumpets that carry sound.
Next step, try to locate the horn. You will find it near the radiator at the front of your car, near the grille. The grille is the small grille at the front of vehicles that allows air to enter while protecting the parts of your Mazda 5.

Horn cables unplugged on my Mazda 5

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 have to unscrew. Then clean 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 Mazda 5! 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 Mazda 5

You could buy another tube to change the defective ones if you have been able to identify them on your Mazda 5 thanks to the noise.

Fuse blown

you should also check the fuses. To find this fuse box, we invite you to look at our previous article on the subject:
“Where to find the fuse box on a Mazda 5”
You should also take a look in your vehicle owner’s manual for the fuse references of the horn fuse that you must identify precisely.
Once the fuse is identified, you can dispose of it using a pair of pliers. To find out if it is burned, look at the metal part. If this one is blown, your fuse has blown on your Mazda 5. It must consequently be replaced. If it looks new, it should not be questioned.
You can find this fuse in any car shop or garage. Test the horn again after the fuse has been exchanged. Is your horn working again? Congratulations! If this still doesn’t work for your Mazda 5, check your dashboard and especially your airbag indicator light. If this one is on, there may be a link. Actually, it can have an influence on the rotating switch, a part that acts as a relay between the steering wheel and the horn. However, for an airbag indicator problem on your Mazda 5, it is recommended 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 Mazda 5’s horn. Trumpets, fuses, rotating switch, airbag. Precisely determining the fault will help you to solve it. Be vigilant to replace the fuse with an identical fuse of the same intensity.

If you need more guides on the Mazda 5, go to our Mazda 5 category.