Re: Immobiliser problem.
"Hirsty's" <firstname.lastname@example.org> wrote in message
>> I am having problems starting the vehicle. Put the key in the ignition,
>> 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
>> changed the battery in the fob, but this has not improved things. I
>> 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
>> one of those jobs were you need the TestBook computer. Anyone else had
> 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
> Alarm Spider under the passenger seat. The PC board breaks up and causes
> 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
> 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
> 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
> black scorch marks on the PC underside then apply a soldering iron (
> for the best )
> Good luck
> John H
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.