Hot wire a Scenic?
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  1. #1
    VIP Sponsor David Cavanagh's Avatar
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    Default Hot wire a Scenic?

    Does anyone know if its possible to hot wire a scenic to by pass the immobilizer?

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    Problem we have is an RX4 thats been sitting in a paddock for 12 months.

    With a fresh battery its cranking over but wont start, we can hot wire the fuel pump, thats easy but getting power to the ignition is a hard.

    It seems that wilst sitting its forgotten how to start, no power to the pump or ignition.
    Its only a wreck, we just want to start it to get it down to Melbourne so we can dismantle it, we need to know how good the gearbox feels before we can offer any kind of warranty.

    I know we can change ECU/BSi key reader but its a bit of work just to get it here to strip it so hoping someone knows a cheat. Being a wreck we have no fear of cutting and rewiring anything.

    Yes, we have pressed the fuel pump reset button before any one suggests that.
    David Cavanagh

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  2. #2
    1000+ Posts Haakon's Avatar
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    Cant be done AFAIK. You'll need to take donor ECU, BSI and key remote and install... 2WD Scenic items might work?

  3. #3
    1000+ Posts Fordman's Avatar
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    It has been said elsewhere that the main ECU connector pins can be subject to corrosion, etc. Have you tried just removing the connectors and spraying them or whatever. It may have bad connections.

    No expert, but I cant see why being unused for 12 months would lose the main memory in the ECU - could be wrong though.

    The older cars had a fairly standard immobiliser over-ride of turning on ignition for 30 minutes which allowed starting. After turning off it would require the same procedure every time until fixed. About 1998 IIRC this was disallowed in the immobiliser standards so no over-ride was possible. However what they did in French cars I don't know.

    When I puchased our Scenic (Jan 2004) I requested immobiliser over-ride code for my car, but the dealer claimed there was not one - it had to be connected to the Renault dealer "computer", ie, a tow job from anywhere in the state.

    Cheers.
    Last edited by Fordman; 14th November 2012 at 11:40 AM. Reason: added more useless information
    2004 Scenic I 2.0 auto (Hers)
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  4. #4
    COL
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    Hi Dave

    Not sure about the Scenics but my Laguna starts the stops 2 seconds later if the car is immobilised (that is you need lock the car and unlock with the plip). Mine is a 1995 series 1

    Also if battery is flat in the plip you are stranded until you get a new battery.
    Regards Col

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  5. #5
    VIP Sponsor David Cavanagh's Avatar
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    Quote Originally Posted by COL View Post
    Hi Dave

    Not sure about the Scenics but my Laguna starts the stops 2 seconds later if the car is immobilised (that is you need lock the car and unlock with the plip). Mine is a 1995 series 1

    Also if battery is flat in the plip you are stranded until you get a new battery.

    Thats right, my wifes car is the same but Scenic is a different animal.

    I'm just trying to avoid changing the cars brains over in the peoples front yard in central Victoria but its looking like we don't have a choice.
    David Cavanagh

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    03 9338 8191 or 03 93354008

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  6. #6
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    David,

    i found a site in the UK which gives the re-set procedures for most recent cars.
    Can't find it now but will look.

    Berridale

  7. #7
    1000+ Posts jo proffi's Avatar
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    Quote Originally Posted by COL View Post
    Also if battery is flat in the plip you are stranded until you get a new battery.
    I dont think thats the case with the laguna1
    I seem to vaguely remember a procedure with the accelerator pedal and computer toggle stalk whereby you could manually input the code.
    Might be written in the handbook, which I sold with the car.
    Talk about high security, the dealer gave me the code over the phone..



    Jo

  8. #8
    1000+ Posts renault8&10's Avatar
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    I'm pretty sure on my old Laguna, the manual said if the battery in the key card won't unlock it just use the manual key, stick the card in the reader and it should still start. But that is a different problem to Dave's I think.
    KB


  9. #9
    COL
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    Quote Originally Posted by jo proffi View Post
    I dont think thats the case with the laguna1
    I seem to vaguely remember a procedure with the accelerator pedal and computer toggle stalk whereby you could manually input the code.
    Might be written in the handbook, which I sold with the car.
    Talk about high security, the dealer gave me the code over the phone..



    Jo
    Don't remember that in the owners hand book Jo
    Regards Col

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    COL
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    Quote Originally Posted by renault8&10 View Post
    I'm pretty sure on my old Laguna, the manual said if the battery in the key card won't unlock it just use the manual key, stick the card in the reader and it should still start. But that is a different problem to Dave's I think.
    I think that is the case with the Laguna 2
    Regards Col

    1973 Renault R12 Station Wagon
    1976 Renault R12 Station Wagon
    2002 Renault Laguna V6
    1973 Alpine A110

    http://alpine-a110.weebly.com/

  11. #11
    1000+ Posts jo proffi's Avatar
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    Quote Originally Posted by COL View Post
    Don't remember that in the owners hand book Jo
    Ah it must be secret renault information.
    That info could probably be worth about $370+ gst to a dealer.

    jo

  12. #12
    VIP Sponsor David Cavanagh's Avatar
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    Well we changed the ECU, BSi, key reader and key fob thingy all from a car we drove into the yard and still nothing. No spark, no fuel.

    So we gave up and trailered it in behind the mighty 406.
    David Cavanagh

    FRENCH CONNECTION / PEUGEO WRECKING / RENOSPARES / CITROWRECK

    03 9338 8191 or 03 93354008

    34 KING St
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    VIC 3042


    frenchconnect@bigpond.com

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  13. #13
    COL
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    Quote Originally Posted by David Cavanagh View Post
    Well we changed the ECU, BSi, key reader and key fob thingy all from a car we drove into the yard and still nothing. No spark, no fuel.

    So we gave up and trailered it in behind the mighty 406.
    Dave

    Its obviously non of the above that is causing the problem. Maybe its the fuel relay or something similar or even a wiring problem somewhere.
    Regards Col

    1973 Renault R12 Station Wagon
    1976 Renault R12 Station Wagon
    2002 Renault Laguna V6
    1973 Alpine A110

    http://alpine-a110.weebly.com/

  14. #14
    VIP Sponsor David Cavanagh's Avatar
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    Hot wire a Scenic?-imgp0479.jpgHot wire a Scenic?-imgp0480.jpg
    Quote Originally Posted by COL View Post
    Dave

    Its obviously non of the above that is causing the problem. Maybe its the fuel relay or something similar or even a wiring problem somewhere.
    Dunno, give up, its here now and the gearbox is already sold so its going on the hoist now to be dismantled.

    This car drove home after hitting the roo but has been sitting for 12 months with the battery still conected so maybe thats how it got infected (Do they have a shelf life?), the battery was flat as a tack, but the doner "brain" has been sitting on the shelf with no power for about the same time, it came from a working car so it should still be fine so don't know what the problem is, don't really care anymore, its about to be chopped up.
    Last edited by David Cavanagh; 19th November 2012 at 12:35 PM.
    David Cavanagh

    FRENCH CONNECTION / PEUGEO WRECKING / RENOSPARES / CITROWRECK

    03 9338 8191 or 03 93354008

    34 KING St
    AIRPORT WEST
    VIC 3042


    frenchconnect@bigpond.com

    https://www.facebook.com/FrenchConect

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