Throttle pedal conversion not working! HELP!

Discussion in 'Engines' started by Garyn Williams, Oct 1, 2023.

  1. Garyn Williams New Member

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    Hi guys, I'm trying to get a DBW throttle pedal to work in my conversion but cannot get the wiring right.

    It has a seat Ibiza cupra loom with the older round type connector which is for a actuator type throttle.
    I am trying to fit a later MK4 golf throttle which I know has been done.

    Wiring seems fine but I either get full open throttle or full closed.

    Any ideas or diagrams would be very much appreciated.
    Thanks in advance
     
  2. Savagesam

    Savagesam Moderator Staff Member Moderator

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    Isn’t there a big ecu/loom change between narrow and wide band?
    I’m sure someone will confirm
     
  3. rubjonny

    rubjonny Administrator Staff Member Admin

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    the pinout is ever so slightly different, this is what you need for late pedal. ECU pin, blue plug, pedal:
    34 -> 1 -> 6 - Pedal Sensor 2
    72 -> 2 -> 1 - 5V
    73 -> 3 -> 2 - 5V
    36 -> 4 -> 3 - earth
    35 -> 5 -> 4 - Pedal Sensor 1
    33 -> 6 -> 5 - earth
     
  4. rubjonny

    rubjonny Administrator Staff Member Admin

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    oh and post up the part number of your pedal, diesel ones wont work on petrol engine
     
  5. Garyn Williams New Member

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    @rubjonny, Thanks for the diagram This is what i had whilst doing my research so glad i was on the right track haha.
    I am on my 3rd now as iv just ordered a Actuator type as i cannot get these to work.
    1J2721503C
    8N2721503C

    I have just ordered potentiometer 0205001045 as this is what the plug on the loom is for.
    Any other suggestions as i would like to just have the pedal rather than an adapted unit.
     

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