G35 Coupe V35 2003 - 07 Discussion about the 1st Generation V35 G35 Coupe

Horn wont turn off!!! Help!

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Old Sep 12, 2011 | 10:12 AM
  #16  
onthe3rdday's Avatar
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From: Bridgeport CT
Car works properly now. By the end of the evening my battery was dead. I took my battery out and charged it fully. I observed my battery tray was full of water...Too many puzzle pieces to determine the source of the problem, but I suspect the car wash aggravated something in the harness.
 
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Old Oct 2, 2015 | 04:12 PM
  #17  
B03Sedan's Avatar
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From: Palm beach gardens,FL
Sos

Car was off and unlocked
All of the sudden the horn starts blarring, we had to pull the terminal to get it to turn off. Then my Ac kept switching between functions, as if it were haunted, along with my RPMs going from 0-1k with no pressure was so ever on the gas. Managed to get the car home only to walk out to a dead battery, have seen some swaps done with the stereo but im unsure if that actually solves the issue.
 
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Old Oct 2, 2015 | 05:34 PM
  #18  
xXHotelCrazyXx's Avatar
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From: five oh two
Most likely stuck horn relay.
 
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Old Mar 13, 2016 | 10:29 AM
  #19  
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File a safety report

Anyone having this problem, please file a safety report at http://www-odi.nhtsa.dot.gov. I have the same problem. Happened to me three times and yet I'm the only one the filed a report. The horns blasted long enough to burn out. Let's force a recall.
 
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Old Mar 13, 2016 | 11:18 PM
  #20  
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Originally Posted by Xact
Anyone having this problem, please file a safety report at http://www-odi.nhtsa.dot.gov. I have the same problem. Happened to me three times and yet I'm the only one the filed a report. The horns blasted long enough to burn out. Let's force a recall.
Doesn't seem like a common problem. Recall will never happen. I think I've only heard of this happening about 2 or 3 times on here.
 
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Old Apr 12, 2016 | 09:37 AM
  #21  
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Question horny comes on by itself

Has anyone found a solution to this problem? I have an '06 G35 coupe, with about 182500 miles and the horn will come on by itself. I have only noticed it happening on rainy days and sometimes it comes on and will not turn off unless i pop out the horn relay from fuse box next to battery. i have replaced that horn relay before and that did not fix the problem. i have taken it to a nissan dealership mechanic ( currently with them now ) at least twice. i am not very handy with cars, so fixing it myself is not an option. At this point I am thinking about just totally disconnecting the horn and only reconnecting it for a state inspection!! I hope some of you have found an actual solution!!

thanks

doug
 
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Old Jul 2, 2018 | 11:17 PM
  #22  
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What horn?

My Infiniti g35 04’ coupe had the same problem. This happened to me when it was pouring rain as I was trying to take out all my grocery. I joined this group specifically for this topic as I was googling what to do. My horn freaked and started blaring and like just everyone did, started the ignition and it shup up. Manually locked the doors to come back to the car couple hours later to a dead battery. Had enough of the bullshit and took out the horn fuse. Someone need to find the key to this problem!
 
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Old Jul 3, 2018 | 10:27 AM
  #23  
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One owner 2004 G35 Coupe 6MT
Originally Posted by kel_
My Infiniti g35 04’ coupe had the same problem. This happened to me when it was pouring rain as I was trying to take out all my grocery. I joined this group specifically for this topic as I was googling what to do. My horn freaked and started blaring and like just everyone did, started the ignition and it shup up. Manually locked the doors to come back to the car couple hours later to a dead battery. Had enough of the bullshit and took out the horn fuse. Someone need to find the key to this problem!
Most likely water got into your IPDM. It's in the engine bay under the plastic cover where the battery lid fits into. Check the seals around that cover and windshield cowling. Also check that the drain hole in the bottom of that well is clear, and that there is a black plastic grommet/flexible tube installed.

Additionally, check that the IPDM, relays, and wire connectors are dry and free of corrosion.
 
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