CANCA acronym from EGM

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  • btec116
    Advanced Member
    • Jun 2007
    • 131

    #1

    CANCA acronym from EGM

    Does anyone know what the CANCA acronym stands for?

    My donor M52 came from an auto, which means I get a retarded map as default from the DME, unless the DME gets a "kickdown" signal from the sludgebox (which obviously doesn't exist anymore).

    I found the two comm lines between the auto computer and DME (pins 85, black and 86 yellow) on the DME connector. They are both bi-directional (ie, IN/OUT).
    The only info I could find on them is;
    Pin 85 - CANCA-LOW
    Pin 86 - CANCA-HIGH

    These lines also go to the Diagnostics connector (pins 2/3 on M3) if I am not mistaken.

    Reason for the whole thing is if I knew what the kickdown signal was, it might be possible to feed this signal to the DME.

    I know its a long-winded way to go about it but chipping is still weeks away (only just heard of a German company that does this, got no more info yet), and this may get me a little more in the meantime.

    Anyone got any ideas?

    BMW dealers have been useless so far.
  • matt
    No R3VLimiter
    • Oct 2003
    • 3731

    #2
    CAN bus communications.

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    • lateapex31
      Member
      • Jul 2007
      • 79

      #3
      You will need to decode the proprietary CAN (Controller Area Network) protocol that Bosch/BMW used for this application. There should be an IEEE standard that will help get you started, but you just need to get a manual DME.

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      • btec116
        Advanced Member
        • Jun 2007
        • 131

        #4
        Cheers guys, very helpful, although its looking more and more like this will be thrown in the "too hard" bin.
        I wont even pretend to know enough about signal processing to go there...
        THanks for the knowledge!
        Bence

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