Is this how the factory alarm is supposed to behave?
#1
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I never had an issue with my car's alarm. Still don't, really. Every once in a while it gets armed (not sure what I am doing to arm it honestly) and when I open an unlocked door without the key it goes off. No big deal. I put the key in and turn it and it goes off.
However recently I have noticed this scenario. I get out of the car and don't lock the door. I can open the door right away or a few minutes later and the alarm does not go off. However if I wait, for example overnight, and then open the door the alarm will go off. So does the alarm have a function such that if it knows a door is unlocked it will arm the alarm after an specified amount of time? I checked the OM and it doesn't mention anything related to that.
However recently I have noticed this scenario. I get out of the car and don't lock the door. I can open the door right away or a few minutes later and the alarm does not go off. However if I wait, for example overnight, and then open the door the alarm will go off. So does the alarm have a function such that if it knows a door is unlocked it will arm the alarm after an specified amount of time? I checked the OM and it doesn't mention anything related to that.
Last edited by GT6ixer; 08-07-2018 at 02:03 PM.
#3
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The alarm can be set to arm passively, which it sounds like could be happening.
As I remember, the info to change it from passive to active arming (on my car, you have to lock the drivers' door with the master key to arm) is a mixmash of back and forth with the master key in the driver's door lock within a number of seconds.
This is a maddeningly random piece of information that for some reason I also have not been able to find again...this happened to me and I honestly lucked into resetting it back to active arming. I'll poke around and see if I can locate the info again....it was in a wierd place..not where the usual suspects put stuff...
As I remember, the info to change it from passive to active arming (on my car, you have to lock the drivers' door with the master key to arm) is a mixmash of back and forth with the master key in the driver's door lock within a number of seconds.
This is a maddeningly random piece of information that for some reason I also have not been able to find again...this happened to me and I honestly lucked into resetting it back to active arming. I'll poke around and see if I can locate the info again....it was in a wierd place..not where the usual suspects put stuff...
#4
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Didn't read all of this...but maybe might help?
https://www.porscherepair.us/alarm-s...rm-system.html
https://www.porscherepair.us/alarm-s...rm-system.html
#5
Race Car
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The alarm can be set to arm passively, which it sounds like could be happening.
As I remember, the info to change it from passive to active arming (on my car, you have to lock the drivers' door with the master key to arm) is a mixmash of back and forth with the master key in the driver's door lock within a number of seconds.
This is a maddeningly random piece of information that for some reason I also have not been able to find again...this happened to me and I honestly lucked into resetting it back to active arming. I'll poke around and see if I can locate the info again....it was in a wierd place..not where the usual suspects put stuff...
As I remember, the info to change it from passive to active arming (on my car, you have to lock the drivers' door with the master key to arm) is a mixmash of back and forth with the master key in the driver's door lock within a number of seconds.
This is a maddeningly random piece of information that for some reason I also have not been able to find again...this happened to me and I honestly lucked into resetting it back to active arming. I'll poke around and see if I can locate the info again....it was in a wierd place..not where the usual suspects put stuff...
Didn't read all of this...but maybe might help?
https://www.porscherepair.us/alarm-s...rm-system.html
https://www.porscherepair.us/alarm-s...rm-system.html
Thanks for the info!
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Interesting and thanks. This is applicable to a '91 model, so I'm not sure mine operates the same way. But regardless, I think I figured out what is going on. I went out at lunch today and played around with it. So to begin, my central locking system is apparently not working correctly, as in if both doors are unlocked and I use the key to lock one door, the opposite door stays unlocked. From what I have been told, both doors should lock when using the key. So what was happening is that I would lock the passenger side door but forget to go around and lock the driver's side. The alarm gets activated when locking either door, but because the other door is unlocked, when you open it the alarm gets triggered. It has nothing to do with time like I initially thought. It's just the fact that I can lock one door independently of the other. I'll have to look into getting them synced up.
Thanks for the info!
Thanks for the info!
Check the little glass fuses that are clipped on the back top of the Fuse/Relay Panel. (IIRC 500ma slow blow). One blown will give you that behavior.
Happy Tueday,
Dave
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#8
Electron Wrangler
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The alarm can be set to arm passively, which it sounds like could be happening.
As I remember, the info to change it from passive to active arming (on my car, you have to lock the drivers' door with the master key to arm) is a mixmash of back and forth with the master key in the driver's door lock within a number of seconds.
This is a maddeningly random piece of information that for some reason I also have not been able to find again...this happened to me and I honestly lucked into resetting it back to active arming. I'll poke around and see if I can locate the info again....it was in a wierd place..not where the usual suspects put stuff...
As I remember, the info to change it from passive to active arming (on my car, you have to lock the drivers' door with the master key to arm) is a mixmash of back and forth with the master key in the driver's door lock within a number of seconds.
This is a maddeningly random piece of information that for some reason I also have not been able to find again...this happened to me and I honestly lucked into resetting it back to active arming. I'll poke around and see if I can locate the info again....it was in a wierd place..not where the usual suspects put stuff...
Alan
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#10
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Seems in this case IT DID and was just masked by the other central locking failure...
Alan