Check the relay in the fuse box under the hood. Flip the lid over and there will be a diagram for each relay and fuse. Most vehicles have the same relays so you can just swap one to see if that is the problem.
In my opinion, the problem isn't a fuse. ,Check for horn codes, These are manufacturer specific codes. You will need code reader that will work with your vehicle and read manufacturer specific codes.
SOURCE: 2010 jeep patriot the horn is not working what are
check fuse make sure wire under steering wheel is contacting metal and check horn with voltage to see if its good and also use voltmeter to see if there is voltage present when the horn is depressed
SOURCE: Where is fuse box for lighter in a 2010 Jeep Patriot?
In the engine compartment next to the air breather. Number 13 fuse.
SOURCE: Horn fuse on 2010 Jeep Patriot
did you even look first in the fuse box, or just want us to?
ok did, there is none.
if it has one it marked horn.
not all jeeps have a fuse here, (traditional)
some have an magic electronic current limit on it.
that just works and takes no user actions. ever....
we've used these in industry since the 70s, and is just catching on in the car world. (same on military guns and fuses hate each other, boom , pop no joy, )
did YOU scan the pcm first. (NO)
did you clean off the rust on the bottom of the horn bracket next.
usa horn has 1 horn
outside is 2. (top cause of horn fail , rust near fender at horn)
so my wild guess is you are in USA right. yeah, matters .
the owners manual shows no horn fuse, just read it for you.
The fsm shows, NO FUSE. strike2.
so the FSM schematic shows, the horn driver on page 8w-13-10
found it. its not a FUSE !!!
TIPM page 16 shows the TIPM has no FUSE.
if the TIPM main power fuse blows, massive failures all over car
that mean like i said, the TIPM uses and electronic fuse
it called current regulator, if you short it out, it roll back current
all free, no parts to change and cures its self automatically, with the fault is cleared. Its not a fuse, its current limiter.
so lets play your game the correct way
you say "why is my horn dead. all else works"
I say,
1:scan it first. the scan tool tells you what failed.
2: then tests the horn by hand, (bench testing, )
3:or clean its ground then hot wire it. beeps now.
4: if this all fails the dealer can honk the horn via there fancy factory scan tools, (we cant) and if fails honk the check voltage to the horn if 12vdc the horn is bad ,if 0v the TIPM is bad.
end story.
this a new digital horn, (not actual horn) but the control
are digital, that means the switch for the horn is digital
and the alarms sends , a communication on the network
to sound the horn.
if the TIPM hears the button or the alarm active (network sent)
the TIMP then activates the horn driver electrons
if it cant it records warnings on the scan tool called DTCs.
so short answer
1: get car serviced
2: get car scanned,
there is NO FUSE.
Yes, everyone says check fuses first. but not this car and not that circuit. its and exception to the rule.
SOURCE: My horn is going on by itself on my 2010 jeep patriot how do I turn it off??
I just want to cry i need answers i work tomorrow and my jeep compass the horn doesnt want to stop.
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