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S40 / V40 '96-'04 General Forum for the Volvo S40 and V40 (Classic) Series from 1995-2004. |
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Alarm BatteryViews : 7119 Replies : 22Users Viewing This Thread : |
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Aug 6th, 2013, 12:27 | #1 |
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Alarm Battery
My diagnostics indicates my Alarm battery is low and needs replacing.
1. Where is the Car Alarm? 2. How is the Car Alarm internal battery replaced? 3. Does the Car 12V battery need to be disconnected to replace the Alarm battery? Thanks. |
Aug 6th, 2013, 14:16 | #2 |
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1. On the Phase2 cars it's under the OSF wing, behind the indicator. On the Phase 1 cars it's under the battery tray
2. You will need to remove the alarm siren from the car, undo the 4 screws from the back and remove the cover and you will see the battery in there. Can't remember exactly which one it is, but it is an RTC NiMH typy battery. Can check and let you know 3. It's always a good idea to disconnect the car battery before you do the job
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Current car: 2002 S40 1.9D, 1992 240SE Nullius in Verba
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Nov 21st, 2013, 20:17 | #3 | |
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Quote:
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Volvo V40 1.8 Petrol SE 2003 |
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Nov 21st, 2013, 20:35 | #4 |
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I can take one apart and find out if you want
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Current car: 2002 S40 1.9D, 1992 240SE Nullius in Verba
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Apr 27th, 2014, 11:35 | #5 |
From far away
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Have you?
Discovered I have an error code VGLA-312 Siren Internal Battery Fault. It's not an old code as it came back after I erased it. Like morrismen, the alarms seems to be fine. Is it necessary to replace it?
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XC90 2.5T 2009 B5204T5 S80 2005 - sold B4204T3 V40 2004 - sold B230E 740 1989 - sold |
Apr 27th, 2014, 18:27 | #6 |
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I'd be interested in this too as the alarm on mine keeps going off at random; I keep having to remember to lock it by key!
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2003 Volvo V40 1.8 GDi SE 2002 Volvo V40 1.8 GDi SE - Squashed by a reversing fire engine 1997 Honda CB500V |
Apr 27th, 2014, 23:16 | #7 |
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It is a 7.2V 140mAh 6/V150H battery with a connector.
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Current car: 2002 S40 1.9D, 1992 240SE Nullius in Verba
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Apr 28th, 2014, 03:18 | #8 |
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i havent had any warnings but im sure my siren has gone all together no sound and i think i read some where that this can cause a battery drain so i need to get mine replaced
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2013 V40 D3 manual, standard |
Apr 28th, 2014, 18:38 | #9 |
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Brilliant, thanks for that Gatos. Is the siren much of a pig to remove?
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2003 Volvo V40 1.8 GDi SE 2002 Volvo V40 1.8 GDi SE - Squashed by a reversing fire engine 1997 Honda CB500V |
Apr 28th, 2014, 22:08 | #10 |
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It can be easy, or it can be a pig. It all depends on how badly rusted the mounting brackets are. you can remove it without removing the wing, but it can be a bit tricky. With the wing off, it is a very easy job
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Current car: 2002 S40 1.9D, 1992 240SE Nullius in Verba
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