I've had my 350z in storage with the battery disconnected. Whenever I reconnect the battery the alarm goes off immediately and I can't disable it with either key fob (I have 2). Both key fobs have new batteries. The car has been flashed with uprev so it will still start with either key, but the alarm will keep going off. I'm fairly sure if i could just stop the alarm i could do the pairing procedure again for both keys, does anyone know a way?
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1have you tried turning the key in the door a few times?– BenMar 10, 2017 at 15:25
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Yes, many times with both keys.– Kaboom22Mar 10, 2017 at 19:24
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Assuming this isn't an aftermarket alarm, the key fobs as well as the key in door should deactivate the system. I'd try repairing the fob first. You can disable the horn by pulling the relay.– BenMar 11, 2017 at 0:05
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It's the standard alarm. The keyfobs won't deactivate the alarm, and as soon as i unlock the driver's door manually with the key, the alarm will be set off. In what way do you mean repair the fob? the battery is new in both.– Kaboom22Mar 11, 2017 at 15:58
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re-learn the fobs is what i meant– BenMar 11, 2017 at 16:46
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1 Answer
This is what i did to resolve this:
1) Open the door, pop the bonnet, Disconnect the battery. Technically an optional step, but it's good for your hearing...
2) Use the cable emergency release under the rear strut brace to open the boot.
3) Disconnect the alarm sounder (underneath the false floor, next to the spare tire towards the front of the car.
4) Reconnect the battery, perform the pairing procedure (see http://www.350z-uk.com/topic/18178-programming-a-key-fob/ ) for both keys.
5) Drive the car for about 30 minutes or so, then plug the alarm sounder back in. The alarm will go off.
6) Shut all doors and windows, lock the car with the fob and wait for the alarm to stop.
Everything should be back to normal now. Thanks to Ben in the comments for his suggestions :-)