Check the fuse. On some hondas the horn and brake lights are on the same circuit. See if you have brake lights...if not, fuse for sure.
Press in horn button. If you hear the horn, your horn is working. If you do not hear anything, then something is wrong. Part it out or just scrap it.
More than likely a blown fuse or defective horn relay.
its fried. you need to install a new one most Honda cars are like that after a while
How do you repair 1999 Honda Civic Horn?
An electric fan might not be working.
not having a horn
No it's cable clutch. Well at least in mine. 99' Honda Civic EX model
red
On the Steering...
The horn is located behind the front bumper fascia
you can remove the horn relay in the fuse box.
The horn on a 2005 Honda Civic is located at the front of the engine compartment near the headlights. This position allows it to be projected out of the vehicle and heard better.