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Brake lights and ignition on without key

Discussion in 'Range Rover' started by Qasimahmed, Dec 5, 2018.

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  1. Qasimahmed

    Qasimahmed Member

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    Hiya
    So my 2004 TD6 has been stood for about 5 days due to waiting for a part to arrive, it was started up during these days for about 15 minutes each time. I parked the car up after a short drive and the brake lights stayed on after taking the key out of the ignition. I messed around with it and somehow it went off, two minutes later the alarm goes off. Unlock it and lock it again, no brake lights on.
    Got a call from my neighbor saying that I've left the lights on, went to the car and the brakes lights are on, opened the door and the Speedo is lit up as if the ignition is on and the all the hevac lights are on. The car just about started, I don't know how long the lights were on for.
    The battery was changed for a new Varta battery two weeks ago, I'm just running the car for about 20 minutes to allow it to charge a bit.
    Any ideas? I've read about the LCM having some condensation within or cleaning the ignition switch terminals.
    What do you guys think?

    Edit: brakes lights function as normal when car is started
     
  2. Datatek

    Datatek Well-Known Member

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    Low battery voltage is a possibility, running it for 20 minutes will not recharge the battery fully. I have also had problems with Varta batteries. Check the voltage with a DVM before starting the car.
     
  3. Qasimahmed

    Qasimahmed Member

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    Update, wento to switch the engine off, and it won't switch off, I even removed the key. So now what?
     
  4. Datatek

    Datatek Well-Known Member

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    Wait for it to run out of fuel.:eek:
    Just goes to show the benefits of all those complex electronic systems.
    Sounds like something may have got wet in the electronics department.
     
  5. Beneagles

    Beneagles Well-Known Member

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    Stall it! :eek:
     
  6. Datatek

    Datatek Well-Known Member

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    How do you stall an auto?
     
  7. Qasimahmed

    Qasimahmed Member

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    So I turned it on and off and it went off. While I was sitting there, the ignition turned on without the key in.
    I removed the battery terminal and now I'm just wanting to see what you guys suggest
     
  8. Qasimahmed

    Qasimahmed Member

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    I've read about the ignition switch beneath the barrel, do you suppose that could be wet?
     
  9. Saint.V8

    Saint.V8 Dyed-in-the-wool 100% RR Junkie

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    Ignition switch pack is a known failure point - I would strongly suggest checking yours.....

    The lighting issue, could be caused by this too - at times, it will only let 9V through as a max and this will confuse the various ECUs giving odd behaviour - also if you switch it off, but the contacts are arcing across it will keep some systems live but with a reduced voltage/current - again causing odd behaviour - such as lights being on when they are switched off, etc etc....

    Chief suspect is your ignition switch pack under the ignition barrel.
     
  10. Qasimahmed

    Qasimahmed Member

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    I'll get it disassembled tomorrow morning and let you guys know how I get on
     
  11. Qasimahmed

    Qasimahmed Member

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    Is there any way of checking that it's faulty, I was planning on removing it and then cleaning the connector with contact cleaner.
     
  12. Qasimahmed

    Qasimahmed Member

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    So took it apart, cleaned both sides of the connector and the problem is still there, I'll attach a video, let me know what you think.
    The first one, I turned the ignition on and then off and removed the key, the following cycles are happening randomly. the steering column is moving forward a little every time the ignition is turned on.

    https://photos.app.goo.gl/eZHdLgc7GQbdSwRK6

    I've ordered a new ignition switch anyway, it was around 20 quid for a new BMW switch pack so we'll see how that goes, it'll probably be here on the weekend.
     
    Last edited: Dec 6, 2018
  13. gold rover

    gold rover Well-Known Member

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    I'm surprised Ant didn't say it but new battery and the issues start? Which trim is the vehicle and what size battery did you put in?
    As for the wouldn't switch off , have you checked the crankcase breather filter.
    Other than that, its above my pay grade.
     
  14. gold rover

    gold rover Well-Known Member

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    It's supposed to. The steering moves in when you switch off and goes back to the memory setting off the last user, when ignition switched on.


    P.s What on earth are those horrible dials from?
     
  15. Qasimahmed

    Qasimahmed Member

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    They were there when I bought the car, it has been customised a lot. Full respray in Audi Merin purple, custom cream seats with black quilted inserts with purple stitching, the purple stitching continues on the door armrests. Full 2012 conversion with 22" wheels and front brembo conversion, now I've put 18" winter wheels on.

    It's a 2004 TD6, the battery was a Varta 100ah 830A as shown on the picture. It's been about 2 or 3 weeks since the battery change, all was good until it was parked up for around 5 days. The old battery was very weak, the charging system is fine. They checked it with a battery diagnostic machine.
     

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  16. Datatek

    Datatek Well-Known Member

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    I would say that battery is on the small side, 950CCA I regard as a minimum.
     
  17. gold rover

    gold rover Well-Known Member

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    Last edited: Dec 6, 2018
  18. Qasimahmed

    Qasimahmed Member

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    It's a Vogue
     
  19. gold rover

    gold rover Well-Known Member

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    In which case the battery you have is as much use as a chocolate fire guard

    You need minimum 920 CCA and 110Ah
     
  20. Qasimahmed

    Qasimahmed Member

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    It's the same spec as the battery that was in there before, and there were no issues then. I just replaced it for what was already there, I didnt have any reason to think it was the wrong size.
     
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