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Thread: Wiring the mk2 Rev4- transponder

  1. #1
    Woodsport Paul Woods's Avatar
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    Wiring the mk2 Rev4- transponder

    Thought id share this one as its been shrouded in mystery for years.Basically if you are fitting a rev4 (july 96-) engine into your Mr2 the engines ECU has its own security transponder,this consists of a chipped key,a pickup coil around the ignition barrel,a gold coloured chipped box on the steering column and a black plastic transponder ecu in the drivers seat belt reel area.
    The chipped key basically allows the ecu to be turned on,without it it simply wont work.Up to now there hasnt been a guide on how to get past this,deemed secret information in mr2 engine conversion circles! :D
    So here goes...
    After you have of course fitted your rev4- engine (including replacing the passenger kickwell to engine bay loom).
    1. remove the pickup coil from the ignition barrel
    2. remove the gold coloured 1" cubed box that the coil runs into
    3. after the wires leave the gold box they enter a white plastic electrical connector,chop the wires 6" after this connector.
    4. locate the black plastic transponder ecu behind the drivers seat belt reel trim,this unit has around 13 wires coming from it,cut these leaving around 8" of wire on the box.
    5. you will notice the 5 wires that exit the gold box all have a corresponding matching wire entering the black transponder unit,connect these 5 wires up.
    6. open the boot,and make the following connections on the white plastic body to engine harness plug,all you need to do is T these into the existing coloured wires in that location.
    7. connect the black/yellow wire on the black box to the black/yellow wire in the boot plug,this is 12v IGN for the transponder
    8. connect the white/red wire on the black box to the white/red wire in the boot plug,this is 12v battery live for the transponder
    9. connect the white/black wire on the black box to earth,ground it to the chassis.
    10. of the remaining wires 3 of them are blue with a trace colour running through each.... these 3 wires connect to their matching coloured wires in the white boot plug.
    11. ignore the solid blue wire and also the red/white stripe wire
    12. tape the ignition key to the transponder pickup coil and tidy the whole lot behind the boot wall carpet
    Thats it,the ecu will now work without issue.I just thought this might take the pain out of this conversion for anyone wanting to have a go.:thumbsup:

    Have fun!

    TB Quote of the month:"I split my ear open whilst masturbating" - Jasper Full story Here

  2. #2
    <LITTLE BRITAIN>

    Yeh I know
    </LITTLE BRITAIN>

  3. #3
    Woodsport Paul Woods's Avatar
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    lol on the OC this got greeted with,excellent work paul,we will add this to the knowledge base immediately.....on twobrutal we get lou and andy pmsl!

    TB Quote of the month:"I split my ear open whilst masturbating" - Jasper Full story Here

  4. #4
    pmsl - all you had to do was ask Paul

  5. #5
    :thumbsup: thats excellent paul! we will add that to the knowledge base immediately!:hidesbehi


















    is that ok? didnt want to go overboard with the praise lol

  6. #6
    Woodsport Paul Woods's Avatar
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    much better! now tell me how good looking i am....

    TB Quote of the month:"I split my ear open whilst masturbating" - Jasper Full story Here

  7. #7
    see picture above of able bodied man ;)

  8. #8
    Woodsport Paul Woods's Avatar
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    shouldnt you be out stealing? :)

    TB Quote of the month:"I split my ear open whilst masturbating" - Jasper Full story Here

  9. #9
    Quote Originally Posted by Paul Woods
    much better! now tell me how good looking i am....

    uuuuuuuummmmmmmmmmmmmmmmmm. well ! uuummmmmmmmmmmmmmmmmmm
























    :rofl:

  10. #10
    Quote Originally Posted by Paul Woods
    shouldnt you be out stealing? :)
    I got the Spider for steal - that's my weekends work done :D

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