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borderterrier



Member Since: 09 Dec 2011
Location: Surrey
Posts: 1677
United Kingdom 2013 Defender 110 Puma 2.2 XS CSW Aintree Green
Alarm LED in dash flashing whilst driving
Happens every now and again, very infrequent and randomly, ie not flashing with any rhythm, almost like a bulb with a loose contact - any thoughts?

Defender is a new 2.2 110 XS

Steve
Post #204725 23rd Jan 2013 2:27pm
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forest172



Member Since: 01 Nov 2012
Location: derbyshire
Posts: 355
2013 Defender 90 Puma 2.2 SW Santorini Black
Re: Alarm LED in dash flashing whilst driving
borderterrier wrote:
Happens every now and again, very infrequent and randomly, ie not flashing with any rhythm, almost like a bulb with a loose contact - any thoughts?

Defender is a new 2.2 110 XS

Steve


mine does this too Question
Post #204743 23rd Jan 2013 3:13pm
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custom90



Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20314
United Kingdom 
Mine's a 2.4 Puma and doesn't do it. ⭐️⭐️God Bless the USA 🇬🇧🇺🇸 ⭐️⭐️
Post #204745 23rd Jan 2013 3:29pm
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borderterrier



Member Since: 09 Dec 2011
Location: Surrey
Posts: 1677
United Kingdom 2013 Defender 110 Puma 2.2 XS CSW Aintree Green
Dealer reckons duff alarm remote battery, I reckon not whilst driving! Keys swinging so that immobilser chip moves away from pick up around ignition barrel? Loose wire in alarm system, but seems odd that 2 cars are doing it?

Steve
Post #204758 23rd Jan 2013 4:23pm
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chadjizz



Member Since: 25 Apr 2012
Location: sussex
Posts: 559
England 2013 Defender 130 Puma 2.2 HCPU Orkney Grey
my old 08 reg puma 2.4 didnt do this but my new 2.2 does do this..... Confused now its x3 cars, sounds like its common to the 2.2....
Post #204759 23rd Jan 2013 4:23pm
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borderterrier



Member Since: 09 Dec 2011
Location: Surrey
Posts: 1677
United Kingdom 2013 Defender 110 Puma 2.2 XS CSW Aintree Green
and another http://www.defender2.net/forum/topic17674....arm+led%2A
Post #204773 23rd Jan 2013 5:13pm
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Green Machine



Member Since: 19 Nov 2010
Location: North Yorkshire
Posts: 1226
United Kingdom 2005 Defender 90 Td5 CSW Tonga Green
Sounds like a fairly typical Land Rover issue - don't test it, just sell it. Seems from the other thread that it has a connection to the radio being on/off? Maybe some of you other guys with 2.2's could try turning the radio off and see if the light goes off, which would identify the cause a bit more specifically.

(BTW - I don't have a 2.2, I have a Td5, but I'm sticking my nose in anyway). 2005 Td5 | 90 Station Wagon | Tonga Green
Post #204774 23rd Jan 2013 5:22pm
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borderterrier



Member Since: 09 Dec 2011
Location: Surrey
Posts: 1677
United Kingdom 2013 Defender 110 Puma 2.2 XS CSW Aintree Green
Green Machine wrote:
Sounds like a fairly typical Land Rover issue - don't test it, just sell it. Seems from the other thread that it has a connection to the radio being on/off? Maybe some of you other guys with 2.2's could try turning the radio off and see if the light goes off, which would identify the cause a bit more specifically.

(BTW - I don't have a 2.2, I have a Td5, but I'm sticking my nose in anyway).


Opinion most welcome GM

Steve
Post #204776 23rd Jan 2013 5:25pm
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WWA



Member Since: 12 Aug 2012
Location: Northumberland
Posts: 197
United Kingdom 2012 Defender 110 Puma 2.2 DCPU Orkney Grey
Just had a test of mine, no flashing light when driving regardless of radio on or off. 2.2.
Post #204811 23rd Jan 2013 9:17pm
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kingofthesparks



Member Since: 06 Jan 2011
Location: Very close to Watford gap services , northants
Posts: 987
United Kingdom 2012 Defender 90 Puma 2.2 HT Fuji White
Usual build quality then Whistle
Post #204834 23rd Jan 2013 11:12pm
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SGoggin



Member Since: 04 Jul 2009
Location: Australia
Posts: 19
In the My12 tech reference manual, it mentions that if the alarm light flashes whilst driving it indicates that the key fob in use has a low battery and this needs to be replaced.

"If the remote handset battery falls below a pre-determined level, the handset will transmit an additional RF signal code to the anti-theft system module. This signal is relayed to the instrument cluster indicator which emits 2 rapid flashes every 0.5 seconds to inform the driver that the remote handset battery needs replacing."
Post #204844 24th Jan 2013 2:49am
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borderterrier



Member Since: 09 Dec 2011
Location: Surrey
Posts: 1677
United Kingdom 2013 Defender 110 Puma 2.2 XS CSW Aintree Green
SGoggin wrote:
In the My12 tech reference manual, it mentions that if the alarm light flashes whilst driving it indicates that the key fob in use has a low battery and this needs to be replaced.

"If the remote handset battery falls below a pre-determined level, the handset will transmit an additional RF signal code to the anti-theft system module. This signal is relayed to the instrument cluster indicator which emits 2 rapid flashes every 0.5 seconds to inform the driver that the remote handset battery needs replacing."


If mine flashed with that frequency, 2 rapid flashes every 0.5 seconds, I would be happy as clearly its meant to do it. Mine is more like a loose connection and comes on when it feels like it!

Steve
Post #204849 24th Jan 2013 6:40am
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XS Pete



Member Since: 13 Jan 2011
Location: Suffolk
Posts: 632
England 2011 Defender 90 Puma 2.4 XS CSW Stornoway Grey
This is completely off the wall and really just me thinking out loud, but as far as I was aware the only change on the later sytems was the addition of the battery backed sounder as standard.

I'm assuming that with this added there is some sort of battery management for the sounder, to keep the state of the charge of its battery good. Maybe this intermittent flash on the dash is some sort of 'start charge / finish charge' indication, or the dash module periodically polling the BBS for its current state.

I suppose it would be good to know if anyone that's added the BBS retrospecively has seen the same thing.

Just a thought.

Pete
Post #204910 24th Jan 2013 10:18am
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17359
United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
XS Pete wrote:
This is completely off the wall and really just me thinking out loud, but as far as I was aware the only change on the later sytems was the addition of the battery backed sounder as standard.

I'm assuming that with this added there is some sort of battery management for the sounder, to keep the state of the charge of its battery good. Maybe this intermittent flash on the dash is some sort of 'start charge / finish charge' indication, or the dash module periodically polling the BBS for its current state.

I suppose it would be good to know if anyone that's added the BBS retrospecively has seen the same thing.

Just a thought.

Pete


The BBUS is 'charged' by means of the permanent 12V supply and any management is entirely self-contained. It is unlikely that the presence or absence of a BBUS will have any effect whatsoever on the behaviour of the LED.
Post #204969 24th Jan 2013 1:22pm
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XS Pete



Member Since: 13 Jan 2011
Location: Suffolk
Posts: 632
England 2011 Defender 90 Puma 2.4 XS CSW Stornoway Grey
OK Fair enough. I guess there must be some sort of battery management somewhere for the BBS pack, otherwise if (when) a cell eventually dies in the BBS, if there was simply a hardwired connection between the two positives, the main vehicle battery could become discharged by the dysfunctional BBS battery, if you see what I mean.

'tis a mystery

Pete
Post #204977 24th Jan 2013 2:23pm
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