Parksy Posted May 2, 2006 Share Posted May 2, 2006 Okay, it appears after having my battery tested it is broken (not holding charge etc). I am picking a new one up today. However I am wondering if there is anything I should be aware of when swapping the battery over. Will the ECU reset when it is disconected for just a few minutes? Or will all be just as it was? The only other thing I could think of is if my alarm decides it needs to be recoded for the fobs (already sorted this from the Sigma instructions). But was just concerned there may be something else I am overlooking? Any help appreciated. Dave EDIT: Should have said the car is a 94 n/a if that is at all applicable? Link to comment Share on other sites More sharing options...
merckx Posted May 2, 2006 Share Posted May 2, 2006 The ECU will rest when you fit a new battery, this isn't a problem though. Not 100% sure about the alarm, make sure it's not armed even if there isn't a switch on the bonnet. I know with some alarms you can have porblems if you remove the battery without disarming the alarm first. Link to comment Share on other sites More sharing options...
Parksy Posted May 2, 2006 Author Share Posted May 2, 2006 I'm good with the alarm, after it died last time I had to reprogramme my two fobs before it would arm/disarm the imobiliser again. Was more the ECU I was worried about. Is nothing affected by it resetting, or is it just a case of it relearning over the next x ammount of miles i do? Link to comment Share on other sites More sharing options...
merckx Posted May 2, 2006 Share Posted May 2, 2006 They relearn very quickly. Link to comment Share on other sites More sharing options...
Gazzawu Posted May 2, 2006 Share Posted May 2, 2006 my ecu didnt reset after battery change. but the bloody alarm was a b@@@@ cos the siren kept on coming on whenever i touched the +ve terminal even though i unarmed it 1st. must have lost my hearing after the installation Link to comment Share on other sites More sharing options...
Parksy Posted May 2, 2006 Author Share Posted May 2, 2006 All went well. Alarm didn't reset, just the clock and my cd player settings. Went for a run for an hour or so, car felt a bit flat to me, but may just be my imagination?! Link to comment Share on other sites More sharing options...
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