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Landydefender1

Member Since: 13 May 2015
Location: East Yorkshire
Posts: 63

Ghost in my TD5? The central locking doors open on their own

I posted on here that I had a problem with my central locking not working and I was advised to check the fuse..... Bingo my central locking works. Well........... Kind of?
All was well until one day when I went to lock it via the fob the cental locking would not close ie it just kept popping open.
I check all the doors as in gave them a good slam and after some pressing of the fob the doors eventually locked.
We went away and on our return I was horrified to have a 'sorry I missed you' parcel note saying that my parcel 'is in your Land Rover'!??!?!
That means during my 4 days away the cental locking has decided to open all the doors?
Any help or advise would be appreciated please?
Cheers

27th Jun 2015 8:48am

Fifth Horseman

Member Since: 08 Mar 2011
Location: Lanarkshire
Posts: 322

2011 Defender 110 Puma 2.4 XS CSW Santorini Black

Check the wiring looms to the doors, especially the drivers door, for damaged wiring.
It is most likely that the insulation is damaged on one or more of the wires to the drivers door and shorting to earth, (another wire shorting probably caused the fuse to blow in the first place).

Fuses don't usually blow for no reason and I would advise anyone with a blown alarm/locking fuse to to check the wiring in these places, as this is a common Defender failure (had this on my last two Defenders).
Other than that, I would check for water ingress around the alarm unit and also check the alarm unit connectors for corrosion.

27th Jun 2015 11:49am

Landydefender1

Member Since: 13 May 2015
Location: East Yorkshire
Posts: 63

Cheers for that, where is the alarm unit situated on a TD5?

28th Jun 2015 9:38pm

Lambley

Member Since: 20 Apr 2013
Location: Mid Devon
Posts: 1435

This happened to me, same as Fifty says - check the drivers door as it's the one that gets used most, my wiring inside the door frame/pillar had worked loose and had gone fairly thin and rigid due to wear, I cut out the main perished wiring and just replaced it, just pull the rubber trunking/conduit out, then gradually pull the wiring out, there's probably 10" of slack (oooer missus!) and see if anything is obvious shows up

28th Jun 2015 10:49pm

Landydefender1

Member Since: 13 May 2015
Location: East Yorkshire
Posts: 63

Thank you I will look at it tomorrow.
Where's the alarm box situated just in case it's that?

28th Jun 2015 11:20pm

Lambley

Member Since: 20 Apr 2013
Location: Mid Devon
Posts: 1435

Remove the clocks binnacle, on the r/h/s of the bulkhead there's a green box with 2 plugs, that's it. It's a Lucas 10AS unit, if you do replace it then the keys etc and ecu will need to be reprogrammed to receive signals from the new one.

29th Jun 2015 4:09am

mrd1990

Member Since: 16 Aug 2012
Location: Wales
Posts: 600

Don't unplug it for inspection either or it could lose its programming and you will be stuck without a working car.

29th Jun 2015 7:53pm

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