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Key Fob Help?
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DrLex
 


Member Since: 15 Jul 2005
Location: Ciderspace [Oi be in Zummerset]
Posts: 4863

Iceland 

"Giving up gracefully" sounds more like a battery not charging properly than a receiver issue; can you get your dealer to read any logged fault codes?
My wife was adamant that both keys were not working properly, but since I only changed one battery, I put it down to a combination of short trips and an unused spare.
 Time flies like an arrow; fruit flies like a banana

Member of Club Med Sucks 
 
Post #58623620th Jan 2010 10:41 pm
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Matt.y
 


Member Since: 02 Jan 2006
Location: Norfolk
Posts: 52

England 2005 Discovery 3 TDV6 SE Auto Bonatti GreyDiscovery 3

Boy, you've just got to love landrovers! after over a month of not working on the fob's they have both started working again!
  
Post #5984716th Feb 2010 11:17 pm
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slateking
 


Member Since: 17 Aug 2011
Location: scotland
Posts: 1


hi...disco3 LOST KEY and the spare key will not open car......any ideas ..thx
  
Post #82675517th Aug 2011 11:22 pm
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albal
 


Member Since: 31 Jul 2011
Location: Southampton
Posts: 592

United Kingdom 

You should be able to open the car using the key (not the fob) on the front passenger door. Look under the handle on the rear section and you will see a slot to insert the key, push the key in to release the cover. Then unlock the door and leave your fob in the ignition for a 10 minutes or so. Hopefully you have enough charge for the fob to work.

By the way does anyone know what sort of battery is inside these fobs? Depending on what type they are they need different care to prolong their life.

Cheers,
Al
  
Post #82676918th Aug 2011 12:38 am
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bbyer
 


Member Since: 25 Dec 2008
Location: Edmonton Alberta
Posts: 701

Canada 2005 LR3 4.4 V8 HSE Auto Zambezi SilverLR3
Probably a faulty splice located under the door sill,

I assume that neither of your remotes will operate the lock unlock. The odds are that both key fobs did not fail at the same time; hence the problem is a corroded splice under one of the front door sills - a common problem in wet areas.

This link shows the splice you are looking for.

http://www.disco3.co.uk/forum/topic54235.h...%2Blocking

This thread at the bottom has a couple of good pictures of the splice and where it is located in the big wiring loom. This was on the right side but I think there are two splice locations, one on the right for the right side doors and the other on the left for the left side doors.

http://www.landroversonly.com/forums/f41/2...eps-42274/

This is a link to the door lock wiring diagram. I think the failure is either splice SJ11 or SJ670 on page 222, as you are looking for green/white wires.

http://www.disco3.co.uk/gallery/albums/use..._226~0.pdf
 2005 LR3 HSE 4.4L AJ-V8 petrol; Traxide Dual Battery; PIAA 2500K Yellow Ion H11 Fog Light bulbs; CounterAct LT-2 Capacitive Corrosion control; LLumar AIR80 Blue clear Infra Red blocking side window film; Liftgate manual release; Schrader Valve "air in" mod to OEM air suspension reservoir tank; Akebono ceramic pads; OEM solid vented discs; LR4 design hitch receiver; Wiggs D4 MOST bluetooth module; Clock on the Dash; 3 Flash signal light mod; Backup Camera; 2015/16 Nav Data update.  
Post #82677718th Aug 2011 2:22 am
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Mr.Pastry
 


Member Since: 24 Nov 2010
Location: South Wales
Posts: 482

Wales 2010 Discovery 4 3.0 TDV6 HSE Auto Stornoway GreyDiscovery 4

I am changing the battery in my spare key. It has sat in a kitchen drawer for about a year and after a week of use in the car now, it will not hold its charge.

It is a bit fiddly to split the key apart, but if you do it slowly, it comes apart neatly.
Gently cut around the seam with a sharp knife but don't cut too deeply.

You need patience to do this & a steady hand.

The re-chargeable battery is a Panasonic VL2330-1HFE (horizontal fitment) 3 volt coin cell.
These are widely available.

You'll need a soldering iron to remove the old one & fit the new one.


I ordered a couple from CPC & cost £2.57 + vat each.

You can get them on eeeeebay for around £10.00 each.
 Mitsubishi Outlander Phev 4H 2018.
Mitsubishi Outlander Phev 4H 2015 - gone.
Discovery 4 HSE - gone.
Discovery 3 S - gone.
Discovery 3 - gone.
Discovery 1 - gone.
Defender 90 300TDI - gone.
Defender 90 200TDI - gone.
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Post #82682918th Aug 2011 10:47 am
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albal
 


Member Since: 31 Jul 2011
Location: Southampton
Posts: 592

United Kingdom 

I know a lot of Lithium cells tend to die if they are left for anytime completely flat. I'm not sure if Lithium Vanadium Pentoxide suffer from the problem as much. Personally I only have the one fob at the moment but if I had two I think I would rotate them on a monthly basis to make sure both of them are getting charged.
  
Post #82683918th Aug 2011 11:00 am
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Jim1000
 


Member Since: 26 Jun 2011
Location: Twickenham, Middlesex, UK
Posts: 315

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

Does anyone know if you can charge it just by the key being in the ignition, or does the ignition have to be turned and/or engine running for the fob to charge?
 Nov 04 D3 TDV6 HSE Java Black  
Post #8306871st Sep 2011 3:39 pm
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bbyer
 


Member Since: 25 Dec 2008
Location: Edmonton Alberta
Posts: 701

Canada 2005 LR3 4.4 V8 HSE Auto Zambezi SilverLR3
Engine running

You can charge two at the same time by taping the second fob to one in the ignition but the engine must be running.
 2005 LR3 HSE 4.4L AJ-V8 petrol; Traxide Dual Battery; PIAA 2500K Yellow Ion H11 Fog Light bulbs; CounterAct LT-2 Capacitive Corrosion control; LLumar AIR80 Blue clear Infra Red blocking side window film; Liftgate manual release; Schrader Valve "air in" mod to OEM air suspension reservoir tank; Akebono ceramic pads; OEM solid vented discs; LR4 design hitch receiver; Wiggs D4 MOST bluetooth module; Clock on the Dash; 3 Flash signal light mod; Backup Camera; 2015/16 Nav Data update.  
Post #8306941st Sep 2011 3:54 pm
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Jim1000
 


Member Since: 26 Jun 2011
Location: Twickenham, Middlesex, UK
Posts: 315

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

Cheers buyer. Thought it must be logical but thought worth asking.
 Nov 04 D3 TDV6 HSE Java Black  
Post #8307031st Sep 2011 4:16 pm
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bbyer
 


Member Since: 25 Dec 2008
Location: Edmonton Alberta
Posts: 701

Canada 2005 LR3 4.4 V8 HSE Auto Zambezi SilverLR3
More on the operation of the central locking and key fob.

Below is a link to my gallery re the operation of the central locking system including the key fob, a 17 page pdf.

http://www.disco3.co.uk/gallery/albums/use..._pages.pdf
 2005 LR3 HSE 4.4L AJ-V8 petrol; Traxide Dual Battery; PIAA 2500K Yellow Ion H11 Fog Light bulbs; CounterAct LT-2 Capacitive Corrosion control; LLumar AIR80 Blue clear Infra Red blocking side window film; Liftgate manual release; Schrader Valve "air in" mod to OEM air suspension reservoir tank; Akebono ceramic pads; OEM solid vented discs; LR4 design hitch receiver; Wiggs D4 MOST bluetooth module; Clock on the Dash; 3 Flash signal light mod; Backup Camera; 2015/16 Nav Data update.  
Post #8308442nd Sep 2011 2:41 am
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Jim1000
 


Member Since: 26 Jun 2011
Location: Twickenham, Middlesex, UK
Posts: 315

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

Cheers buyer. V informative. Have saved it.

Interesting that it says life of the battery 14 years. Many seem to be having trouble after 6 or 7 years.

Says range reduces when battery power reduced which is why I can sometimes only open when I point down through the roof.

Says battery non-servicable. I'm going to risk one of my fobs and try soldering in a new lithium battery soon.
 Nov 04 D3 TDV6 HSE Java Black  
Post #8308582nd Sep 2011 8:49 am
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bbyer
 


Member Since: 25 Dec 2008
Location: Edmonton Alberta
Posts: 701

Canada 2005 LR3 4.4 V8 HSE Auto Zambezi SilverLR3
Remote tear apart pictures

Below is a link to a thread where BBS Spy has posted jpg's of the internals of the key fob and some hints re battery replacement.

http://www.disco3.co.uk/forum/topic39609.h...key+%2Bfob

If you end of wrecking your key fob, it is not totally worthless as you then have a key suitable for hiding on the exterior somewhere so that you can at least gain access to the interior via the exterior keyhole if you lock yourself out.
 2005 LR3 HSE 4.4L AJ-V8 petrol; Traxide Dual Battery; PIAA 2500K Yellow Ion H11 Fog Light bulbs; CounterAct LT-2 Capacitive Corrosion control; LLumar AIR80 Blue clear Infra Red blocking side window film; Liftgate manual release; Schrader Valve "air in" mod to OEM air suspension reservoir tank; Akebono ceramic pads; OEM solid vented discs; LR4 design hitch receiver; Wiggs D4 MOST bluetooth module; Clock on the Dash; 3 Flash signal light mod; Backup Camera; 2015/16 Nav Data update.  
Post #8309532nd Sep 2011 2:00 pm
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ZacSmith
 


Member Since: 26 Aug 2010
Location: Dover
Posts: 709

United Kingdom 

Hi - I am in the process of butchering my key fob and have a quick question.

Do I need to solder the new battery in (I couldn't tape it for example)?

And if so, do I need to solder both sides?

Thanks
 VIN: A175A328***  
Post #84624411th Oct 2011 5:07 pm
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bbyer
 


Member Since: 25 Dec 2008
Location: Edmonton Alberta
Posts: 701

Canada 2005 LR3 4.4 V8 HSE Auto Zambezi SilverLR3
Sounds like you have to de-solder and solder on both sides.

I found the instructions below, (probably from a D3 thread), and that is what they say.

Battery Replacement.

I looked on-line and found the replacement battery, a Panasonic VL2330 1HFE & purchased it from www.cellpacksolutions.com, cost me incl postage around 8 quid. This arrived 4 days later.

Removing the old battery

If you look at the pic of the printed circuit board (PCB) within the key fob in the gallery you will see 2 soldered legs at 10 o'clock & 2 o'clock positions (PCB labelled C16 & C15 in white writing underneath the legs). These hold the battery terminals into the board & give it it's power connectivity. To remove the old you need a good quality, fine tipped soldering iron &, I would suggest a solder sucker. Heat the solder points & remove the old solder using the sucker being careful not to place too much heat on the board & doing as fast as possible to avoid any damage. Once both legs have the solder removed you can gently ease the old battery out of it's holder & discard it. To fit the new battery simply reverse the process & re-solder the legs in position.
 2005 LR3 HSE 4.4L AJ-V8 petrol; Traxide Dual Battery; PIAA 2500K Yellow Ion H11 Fog Light bulbs; CounterAct LT-2 Capacitive Corrosion control; LLumar AIR80 Blue clear Infra Red blocking side window film; Liftgate manual release; Schrader Valve "air in" mod to OEM air suspension reservoir tank; Akebono ceramic pads; OEM solid vented discs; LR4 design hitch receiver; Wiggs D4 MOST bluetooth module; Clock on the Dash; 3 Flash signal light mod; Backup Camera; 2015/16 Nav Data update.  
Post #84644911th Oct 2011 9:48 pm
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