[RESOLVED] Ford DCL communication protocol standard - Page 2
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Thread: [RESOLVED] Ford DCL communication protocol standard

  1. #16
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    Sorry for may faults but I can´t edit my posts.

  2. #17
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    FYI: You can only edit your posts for about 20min after posting. Admin and Mods can edit posts after that time.
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  3. #18
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    Thanks ELF2000.
    Sometimes the post disapear for more than 20min and when a I can see it again, edit is not anymore.

  4. #19
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    Dec 2007
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    Hello Sirs.
    We are so happy, because my friend has found a document very complete about Ford DCL Communication Protocol. We are now trying to understand that.
    If anybody are interested, feel free to send me a message.
    Best Regards.
    Sergio. (The Gaucho of the Pampa 8-))

  5. #20
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    I can say something more, this protocol can be useful for some Mustang 95´.

  6. #21
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    Hello Sirs. I am here again.
    We are reading de DCL document and don´t understand one thing.
    Document says:

    1 - DEFINED EEC-IV DIAGNOSTIC MODES
    An eight (8) bit value is used to encode the various diagnostic modes for
    each device. The following diagnostic modes are defined in this document:

    DIAGMODE Value Function
    ================================================================
    00000001 1H clear DCL error/flag bits
    00000010 2H clear Continuous Self Test codes
    00000011 3H display status information only
    00100001 21H transmit PID values
    00100010 22H transmit DMR values
    00100011 23H transmit PID map
    00100100 24H transmit DMR map
    00100101 25H run Self Test (K0E0 or K0ER)
    00100110 26H transmit Continuous Self Test codes
    00100111 27H transmit PID and DMR values
    01000001 41H read Parameter Identification (PID) map
    01000010 42H read Direct Memory Reference (DMR) map
    01000011 43H read program/data bytes
    01000101 45H read program execution vector
    01000110 46H read A/D substitution values

    In addition, one two diagnostic codes are reserved for all link devices.

    DIAGMODE Value Function
    ================================================================
    10000000 80H go permanently offline, disable DCL function
    10000001 81H Set DCL baud rate

    2 - I. The SBDS will specify this diagnostic mode by transmitting
    the following DPS:
    DPS Field Value
    ==========================
    Module Select 001H
    Module Offline FFFH
    DIAGMODE Code 41H
    Frame Length X
    DIAGMODE Qualifier 000H
    The EEC-IV will change to this mode at the start of the
    next Block. All other link devices will go offline. Frame
    length can vary from 2 to E slots.

    How many bit are used for communication, 8 or 12 or both ??
    Can anybody help as.
    Thanks to all.
    Best Regards.
    Sergio
    Last edited by Sergio2007; November 5th, 2008 at 06:47 AM.

  7. #22
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    Argentina
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    Hello Sirs.
    Is OneEng over there ??
    A question for him.
    I have assembled a RS232 to Rs485 interface.
    http://www.circuit-projects.com/conv...x-control.html

    But I don´t know what tension level have to use and if that interface will work.
    ECU
    Between DCL(+) and DCL(-) 4.53 volt DC
    Between DCL(+) and Ground 4.77 volt DC
    Between DCL(-) and Ground 0.24 volt DC

    RS232-RS485 Card
    Between DCL(+) and DCL(-) 1.49 volt DC
    Between DCL(+) and Ground 3.27 volt DC
    Between DCL(-) and Ground 1.78 volt DC

    Thanks, Best Regards and Merry Christmas.
    Sergio

    PD: Has anybody P81C62A Datasheet.?? or 81C62 like somebody call it.
    Last edited by Sergio2007; November 9th, 2008 at 07:24 AM.

  8. #23
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    Here is a link, to all guys who want to follow our project..

    http://www.gnceros.com.ar/phpBB/view...t=6796&start=0

    Merry Christmas for all guys.
    Cheers.

  9. #24
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    Here is a signal coming from ECU.

    http://www.postimage.org/image.php?v=aV1MnhPJ

    and here is the data grid.

    http://www.postimage.org/image.php?v=Pq1_vY5S

    We are waiting for some interested guys how want to join us. 8-))))
    Best Regards.
    Last edited by Sergio2007; November 26th, 2008 at 07:22 PM.

  10. #25
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    We are fighting now with Ford vertical parity check.
    Does anybody knows something about how Ford uses this vertical parity.???

    Thanks and Best Regards.
    Last edited by Sergio2007; December 2nd, 2008 at 08:24 PM.

  11. #26
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    With this project (Just to Ford EECIV DCL ECU or PCM) any people could have a screen like above or similar, beside his instrument panel and may be thinking in most ambitious project, using a screen from a GPS too.

    http://www.postimage.org/image.php?v=PqOQJGJ

    Best Regards and Merry Christmas.
    Sergio
    Last edited by Sergio2007; December 20th, 2008 at 05:58 PM.

  12. #27
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    A couple of pictures from our advances.

    http://www.postimage.org/image.php?v=Pq1K8sjA

    http://www.postimage.org/image.php?v=gx29XjwS

    Happy New Year!

    Best Regards.

    Sergio

  13. #28
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    Last edited by Sergio2007; March 10th, 2009 at 11:10 AM.

  14. #29
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    Hi Sergio,

    This is brilliant work! I am doing much the same thing but am far behind you.

    At the moment I have a development board with RS485 interface, and have sent the echo command 00 00 00 00 00 01 82 00 00 00 83 successfully to an ecu, and CART mode command 00 00 00 00 00 01 04 00 00 00 05 and I'm now struggling to understand the DPS message structure before I can get any further.

    You have obviously solved this. Are you going to post your finding on the web?

    Steve

  15. #30
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    Hi Steve

    I have tried to send you a PM, but system say me that is not allowed.
    We are working hard in this project around one and half year.
    I have posted a lot of information about our project and was not thinking post any more by this moment.

    Best Regards.

    Sergio

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