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Old 08-20-2005, 05:43 AM   #1
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Default Security System gone NUTS!

Ok so this just started tonight. I was out with a new girlfriend of mine and we are walking back to the car and once I open the door on the car the alarm goes off. Did it once we got back to her place, as soon as one of us opened a door the car started to honk and flash the lights. & it did it leaving her house @ 4am and back at my house @ 4:15am which really pissed off my mom to be woken up to that. I don't use my power locks becasue that will make my car go off at any random time. My keyfob has been dead for months so I don't think that has anything to do with this. & this problem with the doors causeing the alarm to go off when a door opens just started tonight.

Please help is there anyfuse I can pull or do something else to fix this?

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Ed
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Old 08-20-2005, 12:50 PM   #2
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I don't have the FSM or owner'* manual for your car. Your primary fuse panel should have one labeled 'security'. Remove it. Hopefully it doesn't also control other accessories.

We need to look into a permanent solution.
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Old 08-20-2005, 02:10 PM   #3
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I have the 97 FSM'*. I'll look to see what I can find!
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Old 08-20-2005, 03:15 PM   #4
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I'll check into that security fuse for the mean time
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Old 08-20-2005, 05:29 PM   #5
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OK. I am having trouble finding the "diagnostic aids" for the panic alarm. Looked under keyless remote and theft deterent I am still looking and will find info, but until I do, you could always disconnect the "connector" to the horn. The lights will still flash, but the horn will be off. This may work for the time being, especially if the fuse also controls other car accessories and you don't want to/can't pull the fuse.
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Old 08-20-2005, 07:34 PM   #6
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I found the info needed. Anyway, it is probably the RFA or "Remote Function Actuator" module since this controls all theft deterent actions or a connection to or from the RFA.

First, since you are not using your remote, try using your door key to unlock, then open the passenger side door (instead of the driver'* door). Does this "set-off" the alarm as well? If it does, then the RFA is probably bad or connections to the RFA may be bad.

If this does not set the alarm off, then the arming switch in the driver'* door lock cylinder is bad or the connection is bad. Both doors have an arming/disarming switch in each of the cylinders.

Let us know what happens with the passenger door to know where to go next.

Also, if you have your owner'* manual, you may want to try to "reprogram/personalize" your remote lock settings. This may (but probably not) "reset" the system.
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Old 08-21-2005, 02:09 AM   #7
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Quote:
First, since you are not using your remote, try using your door key to unlock, then open the passenger side door (instead of the driver'* door). Does this "set-off" the alarm as well? If it does, then the RFA is probably bad or connections to the RFA may be bad.
Thats the funny thing the alarm would go off with either door.

Quote:
Also, if you have your owner'* manual, you may want to try to "reprogram/personalize" your remote lock settings.
My keyfob is dead.... But if I'm not following please explain


But what is really weird is it didn't do it today. I thought since it only did it at night that might have something to do with it. Now that I think about it before this starting happening I did have my car parked in a parking lot with my questionible charcters walking around so is it possible someone tried to get into my car then it went crazy when I actually got in?
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Old 08-21-2005, 01:28 PM   #8
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Quote:
Thats the funny thing the alarm would go off with either door.
So, that would indicate that the RFA or something else is at fault and not the door lock cylinders. We needed to get that out of the way first. Good.

Quote:
My keyfob is dead.... But if I'm not following please explain
The FSM indicated a routine check for RFA operation. The more I read into it, I don't think it wil help with the arm/disarming of alarm. Forget it at this point

Quote:
But what is really weird is it didn't do it today. I thought since it only did it at night that might have something to do with it. Now that I think about it before this starting happening I did have my car parked in a parking lot with my questionible charcters walking around so is it possible someone tried to get into my car then it went crazy when I actually got in?
I doubt it, but you never know. I am diving back into the FSM'* to see where to go from here. Since the alarm is not going off now, maybe there is a poor electrical connection to the RFA (which, if I read the FSM correctly, controls all of the alarm functions whether you are using the keyfobs or not). Obviously, let us know if it goes off again, or if the GM gremlins have moved on to another car and the car has fixed itself (wouldn't be the first time)
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Old 08-21-2005, 02:42 PM   #9
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Thanks for taking the time to help me out. And I'll post again if those gremlins come back.

Ed
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Old 09-22-2005, 09:37 PM   #10
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Your keyless/alarm module is located under the dash, passenger side. If I remember correctly, there are 3 connectors going to it...

Worst case, you could pull each connector to eliminate this but it will probably disable your power locks/trunk.
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