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USB/AUX Sockets retrofit in Pre-Facelift A3

Dave8V Feb 19, 2018

  1. Dave8V

    Dave8V New Member

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    Hello,

    I’m retrofitting an MIB2 unit in a pre-facelift A3. As part of the retrofit I’m installing the USB/AUX socket from a facelift A3 (81A035736).

    The new module has two connectors, one is the same as my current AMI unit but the second has a different connector. I can source the connector it’s self but I need the pin outs in order to connect to the green Quadlock connector. Does anyone have these?

    If not then a couple of pictures from the black connector on the USB unit and from the rear of the Quadlock would be extremely useful as the wires are colour coded. These could be from any facelift A3?

    The attached pictures show where the cable goes from and too.

    Many thanks, [​IMG]

    [​IMG]


    Sent from my iPhone using Tapatalk
     
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  3. Dave8V

    Dave8V New Member

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    So I have now located the Pin Assignments for the Quadlock. I now need the Pin Assignments for the USB/AUX module. There are 6 pins in total. The part number is 81A 035 736 but I believe part number 8V0035708 and 4G0035736 is the same. Would anybody be able to look on Elsawin whether the Pin Assignments are available for either of these?

    On the Pin Assignments for the Quadlock it refers to "R199" if this is useful for Elsawin?

    Any help would be much appreciated and would also be of great interest to anyone doing a MIB2 retrofit who wishes to get Apple CarPlay/Android Auto working.

    Many thanks,
     

    Attached Files:

    • Pins.JPG
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  4. Energie

    Energie New Member

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    Did you manage to fine a solution? Im at the same point
     
  5. seuzo

    seuzo New Member

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    Hello,
    here is the pin out of the 6 pole connector:
    1- KL30 (Battery+) red-black striped
    2- KL31 (Battery-) brown
    3- USB_VBUS green-yellow striped (iPod detect originally in preFL cars MIB1, red)
    4- AuxIn_R yellow
    5- AuxIn_LR- gray (in preFL cars, brown)
    6- AuxIn_L green
    Do you know what is the part nr# of the 6 pole connector?
     
  6. Gil Carvalho

    Gil Carvalho New Member

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    Hello

    I have the Audi Multimedia connector and i want to use this too.
    From elsawin 2x usb + aux is R293 not R199

    I have elsawin, any request please let me know. I'm tring to undertstand this schema too.

    Regards
     
  7. Mouse_161

    Mouse_161 New Member

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    Hi,

    New to the forum. I am also looking to install the USB interface, does anyone know the parts codes for the plugs to use the old loom if possible ?
     
  8. Mouse_161

    Mouse_161 New Member

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    Seuzo, did you track down the part code for the connector as I also need it.
     
  9. Gil Carvalho

    Gil Carvalho New Member

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    Hi
    You will need to change loom because the usb pinout are not installed.
    regards
     
  10. Mouse_161

    Mouse_161 New Member

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    Cheers for confirming. I thought if I could get the plugs and the schematics, I could change the existing wiring to suit.
     
  11. Mouse_161

    Mouse_161 New Member

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    Got the loom. Anyone know what pins the red and black wires from the usb interface connect too ?
     
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  13. seuzo

    seuzo New Member

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    Yes, it is 8W0971636.
     
  14. Arno van de Braak

    Arno van de Braak New Member

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    Hello

    i also did the retrofit from to MIB2 in my 2015 Audi a3 8v
    i only need to connect the usb harness
    bought this cable from china
    kabel.jpg
    do i need to remove the old green connector from the quadlock mmi
    and replace it for the new one from the red circle i made?


    And where do i need to connect the 2 wires?
    aansluit.jpg
     
  15. seuzo

    seuzo New Member

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    Hello,
    yes, just replace green connector (block "C") with the new one. You had AMI interface I think this is why you have a green connector already.
    The two wires you asking for is the 12V (Battery + and -). You can use the supply of MIB2 or central keypanel or cigar lighter ...
     
    Zahir hussain likes this.
  16. Arno van de Braak

    Arno van de Braak New Member

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    Thanks for the info, connected today and works fine
     
    Zahir hussain likes this.
  17. Zahir hussain

    Zahir hussain Member

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    Hi mate I’m trying to fit the wireless charging module you wouldn’t know were to connect my wires coming from the charging module do you?
     

    Attached Files:

  18. Zahir hussain

    Zahir hussain Member

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    Attached Files:

  19. Arno van de Braak

    Arno van de Braak New Member

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    I also want to know how to connect i have the cable for wireless charging only i don't know how to connect
     
  20. larbel

    larbel Well-Known Member Team Sepang Audi S3 saloon

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    R265 T6a/2 - J794 T12d/5
    R265 T6a/3 - J794 T12d/11
    R265 T6a/5 - J519 T73c/14
     
    Zahir hussain likes this.
  21. Arno van de Braak

    Arno van de Braak New Member

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    Can you explane this?
     
  22. Zahir hussain

    Zahir hussain Member

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    Pin 5 to j519 t73c/14 even if you have keyless entry?
     
  23. Zahir hussain

    Zahir hussain Member

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    Have you connected the wireless charging yet?
     
  24. flaurentiu26

    flaurentiu26 New Member

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    Hi ! I read in another forum that those 2 new usb is needed to activate Android Auto or CarPlay. Is this true ?
     
  25. Arno van de Braak

    Arno van de Braak New Member

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    not yet
     
  26. Arno van de Braak

    Arno van de Braak New Member

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    Yes you need the double USB
     
  27. Massimo

    Massimo New Member

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    Hello everyone,
    could someone post the insertions of the 2 connectors?
     

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