stayks Posted October 25, 2019 Share Posted October 25, 2019 Hi there, I am very new to this forum, and in urgent need of help...and I am almost certain that I must not be the very first Subaru owner who has experienced this. Everything started with the voltage of my Battery of my Legacy, year 2005 dropped to the point when the engine could not be started, yet the alarm went off upon opening the door. The car was not driven for a while so I decided to charge the Battery with a charger yet the alarm wouldn't stop going off. It was impossible to turn it off with the key-fob, so I disconnected the Battery from the terminals and hooked it to the charger. Once it got charged I re-connected it and the alarm went off right away. Nevertheless I managed to start the engine, drove the car around the car park and everything seemed okay apart from the alarm. I changed the lithium Battery inside the fob yet no change. I then contacted Subaru dealership to get the pin code for the alarm keypad hoping that would sort it. Not at all, as I am the 6th owner and I presume that one of the previous owners has changed it to something I'd never get to know! So I am stuck now with the alarm going off every time I open the door or start the engine, and the key-fob not responding at all! If some of you have experienced the same thing and know the way out of it I'd very much appreciate your help! Cheers, Emil Quote Link to comment Share on other sites More sharing options...
Greenmamba Posted October 25, 2019 Share Posted October 25, 2019 The alarm has it's own 9v Battery built into the alarm horn, located under the scuttle near the nearside (lh) wiper. If re-setting doesn't help, at least opening the alarm horn and disconnecting the Battery would silence it. Do the car doors lock/unlock when pushing the fob button? Quote Link to comment Share on other sites More sharing options...
stayks Posted October 25, 2019 Author Share Posted October 25, 2019 Thanks for your reply mate, the doors do not lock/unlock on pressing the button although the central locking works with the key. I replaced the Battery on the remote itself but that won't make any difference either. My guess is that the alarm might somehow 'forgotten' the key and I may need to re-program it. But how?? I've already seen few youtube videos on that one but they all seem to use different remotes for the same model. Also there's no 8-digit code label inside my fob, I already checked that too. I read through the alarm booklet but it says that I do need that 4 digit alarm pin code so that I can program remotes, and the one the dealership gave me is obviously not the current one...so I am damn clueless now 😓 Quote Link to comment Share on other sites More sharing options...
Greenmamba Posted October 25, 2019 Share Posted October 25, 2019 Prior to the car Battery losing voltage/charging issue, was everything OK? The problems only began after that? When you reconnected the car Battery and the alarm failed to reset on the fob button, was the key in the ignition or in your hand? Have you only the one key? Any fuses blown? Quote Link to comment Share on other sites More sharing options...
stayks Posted October 26, 2019 Author Share Posted October 26, 2019 Yes, everything worked just fine prior to that. When I reconnected the Battery the key was in my pocket. I had no idea this would have happened otherwise I'd have had hooked the Battery to the trickle charger. Unfortunately I found nothing in the owners manual that casts any light on the issue, no good... Quote Link to comment Share on other sites More sharing options...
Greenmamba Posted October 26, 2019 Share Posted October 26, 2019 It shouldn't have happened. You should be able to disconnect the cat Battery and later reconnect without this happening. Confirm you've checked fuses? Only other thing I can think of apart from getting an alarm specialist is if the alarm Battery (mentioned above) - the 9v built into the alarm horn - went flat during the time the car was unused. This could I guess cause the system to alert whenever the car Battery is connected (without it's own Battery the alarm fails to recognise the signal from the fob/key). I replaced mine as a preventative - it'd been in since 2006 so I figured it needed changing. Quote Link to comment Share on other sites More sharing options...
stayks Posted October 26, 2019 Author Share Posted October 26, 2019 I'll check the fuses. Mine is 2005 and there's no record of the alarm Battery been replaced so perhaps I'll order one. Does it have to be OEM or any 9V with the same configuration would do? Quote Link to comment Share on other sites More sharing options...
Greenmamba Posted October 26, 2019 Share Posted October 26, 2019 Needn't be OEM, any good 9v lithium (maybe metal hydride, not too sure) will do. You are very likely to have struggles getting the alarm horn assembly apart. It's held on a U-shaped bracket by 2 nuts/bolts which will be rusty; when you've got it off, the case is held together by 2 screws which again will be rusty as hell. I had to drill one of mine out. Quote Link to comment Share on other sites More sharing options...
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.