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#1
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HELP! 89 civic door locks and horn going crazy
I put the key in and turn on the ignition and my horn and door locks go ape
on me. I had to pull the fuses so they would stop. I hear a clicking still under the dash. The remote pad does nothing, and ive even left in inside my apt to see if the remote was the problem, but no. Please help! Thank You |
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#2
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Update:
I took out the relay under the dash (small black relay switch that makes the clicking) and the locks and horn still constantly lock/unlock, and honks. when the doors are open, non of this happens. Does anyone know how to disable whatever is causeing this to happen? |
#3
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I've never had a problem like that, but looking at the schematic it
seems that the only thing both the locking system and the horn have in common is what they refer to as the "keyless receiver unit". On the schematic, there's also a "security control unit" described as an option. It seems to be hooked into this receiver. I'd imagine that both these modules are some sort of embedded microcontroller, running some sort of program. It being a controller, maybe it got locked up somehow - stuck in some sort of loop. I wonder what would happen if you unpowered/repowered it by temporarily unplugging the cruise control fuse. After you unplug this fuse, I suspect that the clicking at least will stop. (If it doesn't, there must be another component that has both horn and door control in common) If you replug it and it is still gone, that remote receiver must have 'stepped in the weeds', as that is the technical term used when referring to misbehaving programs. If you replug it and it still misbehaves, it could be that this receiver or security module is bad. Hope that helps - maybe others here have seen it and have a clue as to what's going on. Remco |
#4
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Why don't you tell us? You're the one who bad a crappy Honda...
"xychrishb" > wrote in message alkaboutautos.com>... > Update: > I took out the relay under the dash (small black relay switch that makes > the clicking) and the locks and horn still constantly lock/unlock, and > honks. when the doors are open, non of this happens. > Does anyone know how to disable whatever is causeing this to happen? |
#5
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I unplugged the cruise control fuse and the clicking didnt stop. I then
unplugged the battery and bingo! The clicking stopped and I was able to put the horn back on and put the fus back in for the doors. Now my keyless pad is not unlocking the doors. (which is a huge improvement still) so is it possible the keypad died (replaced battery already) or maybe is it the keyless rec unit? THANK YOU !!!! |
#6
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You're welcome - that controller must have locked up somehow and
unplugging the battery reset it. On my schematic that unit appears to be hooked up to the cruise control fuse, but you got the gist of what needed to be done. I take it you only have one keyless fob or are they both doing the same thing? If you only have one, my bet is on the fob since that sees the most handling. You could replace the battery one more and see if that helps. Not sure how comfortable you are around electronics, but you could open the unit and inspect it for dry solder joints, cracked board or loose connections. Glad at least the car behaves normal again. Remco |
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