Your horn is hooked to a relay. The relay is activated by the ground wire that comes from the horn button. If the fuse is ok then you need to check the relay and the horn switch. You may have a dead relay or a bad contact from the switch.
Hope this helps... Dale
Find were the horn is and using a test light check for power at the wire that connects to the horn when someone is pushing on the horn button.if it lights up then you will need a horn.if it doesn`t then you will need to check the horn relay.if when you push on the horn button and you hear a clicking then the relay is more than likely good.if you have a clicking and no power to the horn then the output side of the relay may not be working or the horn wire may be damaged.i think you`ll find the horn is bad.
If you had it off road & the horn was summersed it will burn out.
SOURCE: My 99 Toyota Avalon horn does not make any sound.
the horn in toyotas car have permanent positive curent+ at terminal wat you ned is the curent negative -- that come in contact when you presse the steering colum in the midle this is acctualy the switch you loking for oyu most have a bad contact in that steering if you are going to remove the air bag to have access to that mechanism be carreful not to bang or dammage the air bag it my inflate and hurt you badely nicolas
SOURCE: My horn stopped working. I checked the fuse, it
The horn is generally located underneath the most front lower vehicle undercarriage either on the right or left side towards the wheel well splash guard area, bolted to the forward engine frame chassis. This is not seen from under the hood look usually. You must lay down on your back with a flashlight and look up. Should you find it, examine it to see if it is rusty. If so, replace it. If not, pull each connector out to examine for corroided connectors. If that is present, you should push and pull the connector on and off several times and then put some di-electric grease in the plug and plug them in. Tom H.
SOURCE: 2000 eclipse gs no horn on alarm and locking
Have you tried resetting the alarm, or even disconnecting the car battery and reconnecting it... also make sure all doors and trunk lid is closed
SOURCE: horn will not work, I
If you ground out one or the other of the 2 terminals with a test light, the horn should sound.
If not, then the horn is bad, or there is no current going to it.
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