1. Check the fuse: The horn is controlled by a fuse, so you should first check to see if the fuse is blown. If it is, replace the fuse and see if that resolves the issue.
2. Check the horn relay: The horn is also controlled by a relay, so you can try replacing the relay and seeing if that resolves the issue.
3. Check the wiring: There could be a problem with the wiring that connects the horn to the fuse and relay, so you can check for any loose or damaged wires and repair or replace them as necessary.
4. Check the horn switch: The horn switch is located on the steering wheel, so you can check to see if it is stuck or damaged. If it is, you can try replacing the horn switch and seeing if that resolves the issue.
5. Check the horn itself: Finally, you can check the horn itself to see if it is defective. You can do this by disconnecting the wiring harness from the horn and connecting a 12-volt battery directly to the horn. If the horn honks, then it is not defective and the problem lies in the wiring, switch, or relay. If the horn does not honk, then you will need to replace the horn.
