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Old 11-26-2005, 14:01   #1 (permalink)
laundry_man
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Immobiliser problem.

Landrover Defender 300Tdi (1998) Immobiliser problem.

I am having problems starting the vehicle. Put the key in the ignition, and
have to wait a while before the immobiliser will allow me to start the
engine. Some times it will take several attempts to get it started. I have
changed the battery in the fob, but this has not improved things. I believe
there is a passive coil fitted around the ignition switch, I am thinking
this could be faulty, is it possible to change this as a DIY job, or is it
one of those jobs were you need the TestBook computer. Anyone else had this
problem?



Derek....>>



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Old 11-27-2005, 13:01   #2 (permalink)
Hirsty's
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Re: Immobiliser problem.


> I am having problems starting the vehicle. Put the key in the ignition,

and
> have to wait a while before the immobiliser will allow me to start the
> engine. Some times it will take several attempts to get it started. I have
> changed the battery in the fob, but this has not improved things. I

believe
> there is a passive coil fitted around the ignition switch, I am thinking
> this could be faulty, is it possible to change this as a DIY job, or is it
> one of those jobs were you need the TestBook computer. Anyone else had

this
> prob


Same problem a year ago 1997 300 Tdi 110 CSW started when it felt
like it after a few minutes/ etc.

Changed coil/ starter motor mega bucks.

In thge end it turns out the 2 button fob immobiliser has a problem with the
Alarm Spider under the passenger seat. The PC board breaks up and causes an
intermittent fault. LR produced an upgrade which involves installing a new
board and a hidden transducer that you wave a fob at to deactivate. The coil
then becomes obsolete. 2 green fobs and one master Gold fob ( dont lose )

I had mine replaced and had no problem for 11 months when the f*** thing
performed in France again, just got back and totally Kaput. Got it repaired
under warranty ( ie less than 12 mnths old ).

180 to supply and fit.

Apparntly you can have a go yourself by taking out the board and looking for
black scorch marks on the PC underside then apply a soldering iron ( hoping
for the best )


Good luck

John H


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Old 11-28-2005, 15:01   #3 (permalink)
laundry_man
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Re: Immobiliser problem.


"Hirsty's" <magnum.458@ntlworld.com> wrote in message
news:Yhoif.7389$pc1.222@newsfe4-gui.ntli.net...
>
>> I am having problems starting the vehicle. Put the key in the ignition,

> and
>> have to wait a while before the immobiliser will allow me to start the
>> engine. Some times it will take several attempts to get it started. I
>> have
>> changed the battery in the fob, but this has not improved things. I

> believe
>> there is a passive coil fitted around the ignition switch, I am thinking
>> this could be faulty, is it possible to change this as a DIY job, or is
>> it
>> one of those jobs were you need the TestBook computer. Anyone else had

> this
>> prob

>
> Same problem a year ago 1997 300 Tdi 110 CSW started when it felt
> like it after a few minutes/ etc.
>
> Changed coil/ starter motor mega bucks.
>
> In thge end it turns out the 2 button fob immobiliser has a problem with
> the
> Alarm Spider under the passenger seat. The PC board breaks up and causes
> an
> intermittent fault. LR produced an upgrade which involves installing a new
> board and a hidden transducer that you wave a fob at to deactivate. The
> coil
> then becomes obsolete. 2 green fobs and one master Gold fob ( dont lose )
>
> I had mine replaced and had no problem for 11 months when the f*** thing
> performed in France again, just got back and totally Kaput. Got it
> repaired
> under warranty ( ie less than 12 mnths old ).
>
> 180 to supply and fit.
>
> Apparntly you can have a go yourself by taking out the board and looking
> for
> black scorch marks on the PC underside then apply a soldering iron (
> hoping
> for the best )
>
>
> Good luck
>
> John H
>
>

Hello John
Thanks for the reply.
From what you say it may be worth having a try with the soldering iron first
on the spider. I will also call at our local garage to see how much they
will charge to replace the spider, or fit the upgrade.
Thanks for the Advice.
Derek.......>>


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