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Thread: Discovery immobiliser problem any ideas?

  1. #1

    Discovery immobiliser problem any ideas?

    Chaps,
    Me and a mate bought a Discovery as a farm run around but the battery died on it! We got a new one, charged it up but when we fitted it the old girl won't turn over.

    For some reason the key fob won't work now (it has new battery) so I'm not sure what to do to get it running again?!

    Is there an easy way to bypass the immobiliser as I think that's what's stopping it from going?

    Or is it something easy that I'm not doing?!

    Any ideas?

    Cheers

    Stratts
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  2. #2
    There are sequences you can go throughout to reset it. I gather they vary depending on the year and model of Discovery.

    Do a search for such things on landyzone or one of the other landrover fora, there are a many posts that make reference to them

    You can download the workshop manuals for most of them. And there is a computer version for PC, unfortunately no good for mac unless you boot up in Windows with boot camp

    My (new to me) old 1996 tdi 300 central locking does not operate and I have tried various of the sequences but haven't got it sorted yet. I think the immobiliser has been immobilised, nothing happens on pressing the key fob, so I am saving it for a long summer evening to track it all down! Starts and runs okay but unnerving when you don't know what is up.

    Alan
    Last edited by Alantoo; 22-04-2014 at 15:29.

  3. #3
    Found this in my manual, or rather I should say Billh's manual "what he lent me".
    Attached Thumbnails Attached Thumbnails image.jpg  
    Last edited by Alantoo; 22-04-2014 at 16:12. Reason: Giving credit where credit is due

  4. #4
    Quote Originally Posted by Alantoo View Post
    There are sequences you can go throughout to reset it. I gather they vary depending on the year and model of Discovery.

    Do a search for such things on landyzone or one of the other landrover fora, there are a many posts that make reference to them

    You can download the workshop manuals for most of them. And there is a computer version for PC, unfortunately no good for mac unless you boot up in Windows with boot camp

    My (new to me) old 1996 tdi 300 central locking does not operate and I have tried various of the sequences but haven't got it sorted yet. I think the immobiliser has been immobilised, nothing happens on pressing the key fob, so I am saving it for a long summer evening to track it all down! Starts and runs okay but unnerving when you don't know what is up.

    Alan
    As long as it isn't a 'fly by wire' model, ie late 300's or autos, you can get a 'spider bypass' from Devon 4x4. To check if your non auto is fly by wire, look at the injector nearest the bulkhead, if there is a single wire coming out, it's fly by wire (also hellishly expensive to replace the injectors)
    Inside the passenger kick plate, is a 'green' box, make sure all connections are good, as it's this box that sends a signal to the ecu to power up (fbw)
    if it's a normal one, put 12v to the fuel shut off solenoid on the pump, and 12v to the spade terminal on the starter, that'll get you going.

    Pete
    Sako TRG-42 folder .338LM🔫 Sako TRG-22 .308/.260🔫 Tikka 595 .222(NV'd up) 🔫 AR15 .223/300BLK 🔫Franchi 12g 520 9shot🔫Baikal .410 stealth🔫Ruger #1.243

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  5. #5
    Model and year will help.
    Ifs it an early 200tdi try taking the fuse out that powers the central locking and immobilser-alarm not sure what number it is as not had a disco since 2000 but it became a problem for LR as became evident to car thiefs thats all you had to do to by pass the expensive alarm they fitted in the early days.
    Sure you will sort it easy.

  6. #6
    If its a disco 1 or 2 you can deactivate the imobiliser using the 4 digit security code in the handbook. The method is in the drivers handbook.

  7. #7
    I had this sort of issue with my 2003 disco. The dealer sorted it but it didnt cost much from what I recall

  8. #8
    depending on model

    Disco 1 and 2 , code in handbook or clip immob cable and join the switch cables together...
    Disco 3 , now you have three options with these depending on the model. but the most common problem is the coding between fob and cpu and that can be changed and sorted for 80 at any landy dealer.

  9. #9
    its a landy, discos here ! discos there ! wheres this bit go sorry!
    DONT START

  10. #10
    In South Africa they are known as the Landrover Recovery due to their habit of being towed home. On the up side that can really help with the MPG.

    Good Luck
    Knowledge is knowing that a tomato is a fruit. Wisdom is not using it in a fruit salad.

    Amateurs practice until they get it right. Professionals practice until they never get it wrong.

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