Immobilizer alarm security reset?

Tiny
OLADAPO2003
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  • 2003 HONDA ACCORD
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 92,000 MILES
The brainbox of my car got water logged and I removed another one from the same model. Just want to know if swapping the immobilizer would make my car recognize the ignition key.
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Wednesday, November 26th, 2008 AT 9:24 AM

31 Replies

Tiny
KHLOW2008
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Hi oladapo2003,

Programming has to be done for the key to be recognized if you have done that the system needs to be reset this guide will help you.

https://www.2carpros.com/articles/how-to-reset-a-security-system

Please run down this guide and report back.
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Wednesday, November 26th, 2008 AT 2:37 PM
Tiny
OLADAPO2003
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You mean even if the immobilizer and the ignition is being swapp, it won, t still work out without programming?This programming of a thing is very expensive here, thats the reason why am looking for an alternative.
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Thursday, November 27th, 2008 AT 12:44 PM
Tiny
KHLOW2008
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Hi oladapo2003,

If the whole set comes as a replacement, it should work.
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Thursday, November 27th, 2008 AT 2:25 PM
Tiny
TACURTIN
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  • 2003 HONDA ACCORD
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The radio comes on and off when you press the unlock or lock button on the remote also the dash board lights dim and the go back to normal
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Saturday, September 26th, 2020 AT 1:19 PM (Merged)
Tiny
KHLOW2008
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Hi tacurtin,

Seems the locking and alarm system for the lightings indicators are having conflicts. It could be a faulty control or the wirings are incorrectly installed.

When did this problem occur?

Is it a factory or after market alarm system?
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Saturday, September 26th, 2020 AT 1:19 PM (Merged)
Tiny
TZMAZLAN
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  • 2003 HONDA ACCORD
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As normal when using the key remote to unlock the centre locking (open/close the door) yellow light front & back will blingking and center light above the head will off and red light at drive panel blinking as alarm has been active. But one day when I used the remote key to unlock/lock the door (open/close) no yellow light blinking and no red light blinking at the driver panel to shot that alarm has been active. How exaccly the alarm work & how to set or make the alarm off/on using remote key. Is there any special button way to do this.
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Saturday, September 26th, 2020 AT 1:19 PM (Merged)
Tiny
KHLOW2008
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Hi tzmazlan,

Your question is quite confusing and I have difficulty understanding the situation.

Does the central locks work even though the lights do not blink?

Pressing the remote does not mean that it will arm/disarm alarm, the remote battery must be alive for it to happen.
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Saturday, September 26th, 2020 AT 1:19 PM (Merged)
Tiny
ANDREW C 243
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  • 2002 HONDA ACCORD
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It was a sunny afternoon and suddenly I heard the car alarm sounding. Ran outside with the keys and pressed the unlock button on the remote. This happened earlier in the day, and also about two weeks ago around 3:00am. Haven't heard it for several months so it's a problem that's kind of easy to ignore but yesterday my neighbor came out and yelled at me to just pull all the wires and that it's been happening for years. Well, it has been happening for nearly a year. That's when we we took it to a dealer who needed the car for several days to monitor which sensor(s) were too sensitive or going bad.

The car is now parked on the street in front of our house while my daughter away at college. There's nothing super valuable inside, I would like to disable the security system.

Is there a fuse, or an on/off switch for this system? Looking at the fuse box labels for the driver side box, the passenger side box, and the engine compartment box it is not obvious which one to pull, assuming it's even possible.

Any suggestions?
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Saturday, September 26th, 2020 AT 1:19 PM (Merged)
Tiny
DOCHAGERTY
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Just try interrupting the wiring to the siren
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Saturday, September 26th, 2020 AT 1:19 PM (Merged)
Tiny
ANDREW C 243
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As in pull a wire off the horn? I would prefer to still have the horn button on the steering wheel activate the horn while driving.

Otherwise I would be glad to cut a wire from the security box to the horn. Need some help to identify where the box is located and which wire to interrupt.
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Saturday, September 26th, 2020 AT 1:19 PM (Merged)
Tiny
DOCHAGERTY
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Fuse 13 powers the alarm module
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Saturday, September 26th, 2020 AT 1:19 PM (Merged)
Tiny
CHANEY22M
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Recently my battery cable came off and made my radio and car not work I put it back on. Today I was driving to work and when I turned my car off the car alarm went off. Not sure why but I started the car back on so it would go off and it didn't. The only way I could get it to go off is by disconnecting my battery. Now my keyless entry hasn't been working but I just thought the battery in it was dead. Now when I reconnect the battery the alarm starts going off again what can I do make it go out?
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Saturday, September 26th, 2020 AT 1:20 PM (Merged)
Tiny
CHANEY22M
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I got it, I pulled the fuse for the horn and was able to work on it without the horning going off in the parking lot, then I finally got my keyless entry to turn it off.
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Saturday, September 26th, 2020 AT 1:20 PM (Merged)
Tiny
KSWEETHRT
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My keyless entry no stopped setting the factory security system. The horn doesn't sound when I lock/unlock the doors, and the indicator light on the dash is on contantly instead of blinking when it is set.
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Saturday, September 26th, 2020 AT 1:21 PM (Merged)
Tiny
HONDA TECH 1818
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It is in valet mode, found the valet switch under the drivr's side underdash and set it back by holding the valet switch and turning the ignition switch to on and then release the switch.
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Saturday, September 26th, 2020 AT 1:21 PM (Merged)
Tiny
GIRISH1977
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My car alarm goes of intermittently. I don't know the reason. My battery is fine. I want to either disable it or fix the problem don't want to spend lot of money on it. Please advice. If you want me to disable it please give me the steps. Its factory installed alarm.
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Saturday, September 26th, 2020 AT 1:21 PM (Merged)
Tiny
JEREMIAH
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Remove your remote's battery and see if still happens. There have been issues of the remote's panic button getting triggered without pressing the button.
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Saturday, September 26th, 2020 AT 1:21 PM (Merged)
Tiny
SDRISCOLL
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  • 2000 HONDA ACCORD
I have a factory alarm system. It keeps going off at all hours and all weather. No doors or openings are ajar. I took to Honda dealer to have diagnosed. They could not make it happen or determine the cause. I asked them to disable the alarm. They said it would cause the horn not to work and because of safety would not disable it. They did say they could start replacing parts until it went away at sustantial expense. I paid the fee for nothing and came home disgusted. Is there a way to disable the alarm system without losing the use of the horn?
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Saturday, September 26th, 2020 AT 1:22 PM (Merged)
Tiny
BRUCE HUNT
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You are actually asking the wrong people about that. You probably are looking for a hacker who can canibalize the system. In thinking about this you could disable the entire system and put in your own. The horn circuit consists of power, a switch, a relay and a horn with a bunch of wire. You could search the web to find a simple horn wiring diagram.

What I would do is probably determine through time which of the sensors is failing and tripping the alarm system. I have that same car with the bigger engine. Our weakest point on the system appears to be the drive door. Our alarm has gone off and as a result of that door. The side air bag sensor is touchy on that door as well.

Those are some thoughts!
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Saturday, September 26th, 2020 AT 1:22 PM (Merged)
Tiny
MANUELG
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I keep having problems with the electrical system or so I think.
My radio goes off some times, and my alarm keeps coming on for no reason at all.
Don't know what to do because I can't spend to much money, and I will rather disconect the alarm but don't know how.
Any sugestion. Thanks a million.
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Saturday, September 26th, 2020 AT 1:22 PM (Merged)

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