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Marks Landy



Member Since: 09 Feb 2015
Location: Cheshire
Posts: 299
United Kingdom 1985 Defender 90 200 Tdi SW Java Black
15 Plate Puma stuck in a car park!
Hello All,

My 15 Puma has finally let me down in a car park, not bad after 6 years of ownership.

The centre locking on the rear left hand side seems to be suck on, popping the 20amp fuse on F9.

After a little wire wiggling the fuse doesn’t pop straight away, but..

Once I replace the fuse the siren kicks in, still unable to lock or unlock the doors.

After disconnecting the Negative on the battery I am running out of ideas.

Has anyone got a wiring diagram for the central locking system?

I think the problem might be in the B post but no confirmed yet.

Any other tips ?
Post #925776 15th Oct 2021 11:20am
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Marks Landy



Member Since: 09 Feb 2015
Location: Cheshire
Posts: 299
United Kingdom 1985 Defender 90 200 Tdi SW Java Black
Just a quick update-

Disconnected / reconnect the Negative the fault still remains.

As soon as F9 is re set the Alarm goes off.

No faults on the ID Tool.

Any resets available?
Post #925781 15th Oct 2021 11:31am
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Ianh



Member Since: 17 Sep 2018
Location: Essex
Posts: 2036
United Kingdom 
This is for earlier 2.4 puma but can’t think why the wiring would have changed for the 2015 2.2.

https://www.defender2.net/forum/topic80591...al+locking

You should be able to disconnect the Connector in the B post from the rear Nearside door to isolate the main wiring from the likely short in the wiring to that door.

See pics in the link.

That should get you home and give time to rectify the problem
Post #925787 15th Oct 2021 11:47am
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Marks Landy



Member Since: 09 Feb 2015
Location: Cheshire
Posts: 299
United Kingdom 1985 Defender 90 200 Tdi SW Java Black
Thanks Ian, fantastic info!
Post #925818 15th Oct 2021 4:10pm
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Ianh



Member Since: 17 Sep 2018
Location: Essex
Posts: 2036
United Kingdom 
Did isolating the wiring to the door fix the problem ? It is a very common problem with the 110 with a fair number of posts on here about it.
Post #925929 16th Oct 2021 11:33am
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Marks Landy



Member Since: 09 Feb 2015
Location: Cheshire
Posts: 299
United Kingdom 1985 Defender 90 200 Tdi SW Java Black
Yeah, hooked it up this morning all working perfectly. I will get a meter out later and wiggle the B post wiring to confirm the fault.
More to follow.
Post #925936 16th Oct 2021 12:23pm
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Keith5



Member Since: 27 May 2016
Location: Scotland
Posts: 354
United Kingdom 2012 Defender 110 Puma 2.2 USW Santorini Black
Marks Landy wrote:
Just a quick update-

Disconnected / reconnect the Negative the fault still remains.

As soon as F9 is re set the Alarm goes off.

No faults on the ID Tool.

Any resets available?


I've got a similar problem with F9, each time I plug a fuse back or try to start the vehicle the alarm sounds and the immobiliser is active, any ideas how to reset the alarm? I've disconnected the two rear door cables at the B pillar which likely caused the fuse to blow. Keith
Post #935400 28th Dec 2021 3:27pm
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Ianh



Member Since: 17 Sep 2018
Location: Essex
Posts: 2036
United Kingdom 
it could be wiring to one of the front doors or the back door that is causing the issue. The post I linked to earlier will help with identifying the issue , or a search on door wiring or central locking.

https://www.defender2.net/forum/topic80591...al+locking
Post #935638 30th Dec 2021 12:57pm
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Marks Landy



Member Since: 09 Feb 2015
Location: Cheshire
Posts: 299
United Kingdom 1985 Defender 90 200 Tdi SW Java Black
Once the fuse is reset can you unlock with the key fob whilst the alarm is going off?
Post #935645 30th Dec 2021 2:37pm
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Keith5



Member Since: 27 May 2016
Location: Scotland
Posts: 354
United Kingdom 2012 Defender 110 Puma 2.2 USW Santorini Black
Evening

Thanks for the notes, I've disconnected both rear door looms and that's sorted the fuse issue. When it's a bit warmer I'll try and work out which one is the issue

In terms of alarm the fix turned out to be holding the driver door position switch with my thumb while replacing the fuse. This let me then use the fob to unlock and disarm the alarm. Keith
Post #935681 30th Dec 2021 6:13pm
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