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Memory Seats Retrofit - A5/S5 SPORTBACK

DarkyUK Oct 8, 2018

  1. DarkyUK

    DarkyUK Registered User

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    Dave is correct, no CP on the seat controllers and I believe also that mid line should be fine, I think I only needed high line for the side assist and even then it was for the warning lights within the doors, the exit assist, not the side assist itself
     
    strandgaard likes this.
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  3. strandgaard

    strandgaard Registered User

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    Hi Dave
    I got everything wired up today, but i am having trouble finding the correct coding.

    I made these adaptations to 5F:
    Car_Function_List_BAP_Gen2:
    LO] _driver_seat_0x10: [VN] _activated
    [LO] _driver_seat_0x10_msg_bus: [VO] _CAB_4
    Car_Function_Adaptations_Gen2:
    [LO] _menu_display_seat_configuration: [VN] _activated
    [LO] _menu_display_seat_configuration_clamp_15_off: [VN] _not_activated
    [LO] _menu_display_seat_configuration_over_threshold_high: [VN] _activated
    [LO] _menu_display_seat_configuration_standstill: [VN] _not_activated
    [LO] _menu_display_seat_configuration_after_disclaimer: [VN] _not_activated

    The Driver's seat memory is present on MMI but only "Store setting on memory control key" present.

    You mentioned the following coding:
    Seat control unit drivers side 36

    Byte 2 bit 0-1 This is MMI part (This should now make easy entry work) - this is not documented i my controller
    Long coding p_button_memory This is to turn on switch. - Done- Byte 2 bit 1
    Long coding p_button_location change to internal This activates memory part of switch. Done - Byte 7 bit 0. It was set to External
    Long coding acoustic_feedback_if_stored This makes it Beep when you store each position. Done - Byte 1 bit 3

    So everything should be right, but nothing happens when I press the buttons in the door

    Any ideas?
     
    Last edited: Nov 4, 2019
  4. Audidave69

    Audidave69 Registered User

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    Have you done the three finger reboot on the mmi
     
  5. strandgaard

    strandgaard Registered User

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    Yes - that brought up the drivers seat menu.
    I suspect the wires going to pins 17 and 19 in the door controller may be crossed. I will check tomorrow.
     
  6. strandgaard

    strandgaard Registered User

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    I just pulled the doorcard again, and all wires are mounted correctly.

    I'm really hoping that somebody can help.

    What puzzles me the most is that "p_button_location" should be set to "internal" in the seat controller, as the memory switches are in fact mounted externally on the door controller, and the seat controller pulls the switch settings via CAN.

    And it was indeed set to "external" when I mounted the controller.

    Any help would be appreciated.
     
  7. Audidave69

    Audidave69 Registered User

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    Do you get the red light on switch if you press any of the 3 buttons
     
  8. strandgaard

    strandgaard Registered User

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    No.

    I am also following a thread on the german Motor-Talk forum, where a guy mentions that the seat controller will need CP unlocking, and that memory will not work before this has been carried out.
    But I just can't see any component protection with my VCDS V2 cable.
     
  9. strandgaard

    strandgaard Registered User

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    Hi,

    I managed to get it to work yesterday.
    I needed to code the door controller to use memory mirror to make it work. And i don't even have memory mirrors....

    So it works with mid-line door controllers and the memory controller don't have component protection.

    Thanks for your help.
     
  10. Audidave69

    Audidave69 Registered User

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  11. Rybo vw cc

    Rybo vw cc Registered User

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    Anyone have the wiring schematic and pin outs for a set of B8 S5 Recaros? installing these in my 2010 VW CC and swapping wiring harnesses from my stock seats to allow the plugs to match up. Just looking to ensure I am wiring the pins correctly, especially for the heated seat component so i don't light my *** on fire :D
     
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  13. Rybo vw cc

    Rybo vw cc Registered User

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    Or if someone wants to shoot me a 2010 (B8) S5 vin number in my Inbox, I can go to the Audi dealer and get a wiring layout from them direct. Thanks for your help.
     
  14. zzattack

    zzattack New Member

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    Question for strandgaard as he fitted this on an A4, or maybe andyhud or DarkyUK know too..
    I'm trying to install the controller underneath the seat but this appears to be incredibly tough for me. I started in the door and fitted the switch + wiring there with no issue, but the seat is proving to be tough. After over 30 minutes of fiddling I haven't been able to even fit the retainer bracket for the controller, and I do have an EKTA picture showing where it's supposed to go. Probably wrong bracket, I guess, but that's something I can overcome.

    What I need some help with is installing the new cable loom underneath the seat. I've looked at every connector and only a single one actually mates to one of the connectors in my replacement loom. Do I need to disassemble much more of the seat to reveal further connectors? How much of the original loom should be removed? Did anyone who has already performed this retrofit take any pictures of it? I'd be much obliged!
     
    Last edited: Sep 10, 2020
  15. strandgaard

    strandgaard Registered User

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    Hi zzattack.
    Sorry, but i can't help you with that question.
    I swapped the entire seat to a seat with the correct wiring loom and memory controller already mounted.
    If you are skilled in russian, here is a description of the operation, you are working on: https://www.drive2.ru/l/498699717648056630/

    All I did was run extra 12V and ground wires and the Comfort CAN-Bus wires.
     
  16. zzattack

    zzattack New Member

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    Thanks for that link, pictured look daunting.. but not too informative just yet, I can't decipher if he moved the padding over onto his original frame and replaced most of the loom, or if taking out all that padding isn't necessary in my case.Guess I'll take out the seats when I've got a full weekend to spend on it.
     
  17. zzattack

    zzattack New Member

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    Ok, massive updates on my end. The aliexpress package indeed came with wrong wiring harnesses, so not too surprising that I couldn't make any sense of it. I got the correct parts from the stealers using the part numbers from the Russian blog that @stramdgaard linked. The wiring job itself wasn't even bad at all, took maybe 2 hours including taking the seats out and reinstalling.
    With everything in place, coding was straight forward. At least for the driver side, that is. I repeated the same on the passenger side and coding was a tad more involved, but I got it to work eventually. Might be a first, I haven't come across passenger side memory seats in A4/A5 yet, but given that it's available for Q7 and the platform is mostly shared I figured it'd be a good challenge.

    Even the easy-entry works at passenger side, but I have one question about this: if this is available in the A5, do you also have the MMI menu option to disable it (passenger side)? I can only get the menu item to appear for the driver side, which seems odd.
     

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