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    Very interesting! Maybe you are right, different...

    Very interesting! Maybe you are right, different implementations for different countries. That's why I hate to make automotive system. The manufactures can really give us headache.

    Still, I am...
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    On the ELM327 datasheet: "If assigning header...

    On the ELM327 datasheet:

    "If assigning header values for the KWP protocols
    (4 and 5), care must be taken when setting the first
    header byte (xx) value. The ELM327 will always insert
    the number...
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    Hello mate, Follow what you requested. ...

    Hello mate,

    Follow what you requested.

    First you need to configure the ELM to work with the Fast Init.
    ate 0
    atl 0
    atsp 5

    Now, the most important, is to setup the header properly,...
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    Wow! What about the EOBD and Alfa Romeos/Fiat?...

    Wow!
    What about the EOBD and Alfa Romeos/Fiat?
    Reading memory blocks will be possible?
    What extra features it will have compared to ELM327?
    This is a great project Vitaliy!
  5. I am having hard time with ELM237, here in...

    I am having hard time with ELM237, here in Brazil, I still couldn't find a fully OBD-II compliant car... None have awnsered proppely for the $01 PID 05 request. :(
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    Lol! They are the ones who did spread the...

    Lol! They are the ones who did spread the document on internet, they even hold a server with these files! lol!

    I did the init, I did send the StartCommmunicationService and got the right awnser,...
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    I made myself the whole setup. I am using only...

    I made myself the whole setup. I am using only k-line to communicate, it is a ARM7 microprocessor the brain of the system. The software is being writen by me. I can do any change on software and...
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    KWP2000 startDiagnosticSession help!

    Hi guys!

    I am having a hard time to understand what is the DiagnosticSession services of the KWP2000 fiat specification (http://storage.fiat-bg.org/Diagnostic/Eobd/fiat_kwp2000.pdf).

    When I...
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    Ive had access to Fiat documentation, and...

    Ive had access to Fiat documentation, and something come up to my mind:
    TO start a communication 81h must be issued, and the awnser is what is shown in my last post.
    Then to startDiagnosticSession...
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    have a look @ this...

    have a look @ this
    http://www.saabscene.com/forum/index.php?showtopic=31639548&mode=linear
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    I am stuck in the same part as you were, have u...

    I am stuck in the same part as you were, have u solved it ?
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    another string that "worked" >8101 BUS...

    another string that "worked"


    >8101
    BUS INIT: OK
    C1 EF 8F

    another...
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    hello ppl! Follow the communication I had with...

    hello ppl! Follow the communication I had with the car.. help me understanding it.



    ELM327 v1.3a

    >at sh 8010f1
    OK

    >at tp 5
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    I got a string of bytes that were not the tipical...

    I got a string of bytes that were not the tipical awnser like it is suppose to be.
    I expected something starting with 41 01.. but i got F7 or 70 as fst byte.. I must try again to get the precise...
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    Updating Solution: To solve this problem is...

    Updating Solution:

    To solve this problem is very simple:
    Just issue this comand to ELM327: AT SH 8010F1
    SH = Set Header, it will use the proper header for the non OBD KWP2000 of Alfa romeos....
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    That's a position of privilegie and you seem to...

    That's a position of privilegie and you seem to mesure no effort to help ppl like me, that's an exemple witch everybody should follow. Knowlgment is made to pass and receive, not to keep.
    Thanks...
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    Great.. now the packet is discovered :) If I make...

    Great.. now the packet is discovered :) If I make the ELM operete this way I get connection!! Now I know what I have to configure.. thanks A LOT mate!!!!! How did you learn so mutch specific data...
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    I also got good information of the Alfa Romeo 156...

    I also got good information of the Alfa Romeo 156 that I am testing:

    Model Version: 116.865.0(0) - BN 2.0 TS 16V CF2 RICCO - BRAZILLE
    Engine Stamp: AR 32303
    Car Version Code: 932A2
    Engine...
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    Dear p2psmurf, I have downloaded the trial...

    Dear p2psmurf,
    I have downloaded the trial version of Alfa Diag. I did some analisis throught the serial port of the initialization sequence for the Bosch M1.5.5 (selected on the Alfadiag), and got...
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    Humm.. it has only one O2 sen, its between the...

    Humm.. it has only one O2 sen, its between the engine and the cat. Almost every brasilian car follow one OBD standard, I think it depend where is the ECU from, becouse we do not make ECUs, can be...
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    The ECU is a Bosch M1.5.5. The car probably is...

    The ECU is a Bosch M1.5.5.
    The car probably is OBD2, not EOBD.

    The elm should work fine, I think the issue is about header and this kind of configuration...

    I couldn't get the engine code...
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    Thanks for your awnser. I am using a ELM327...

    Thanks for your awnser.

    I am using a ELM327 v1.3 on a Alfa Romeo 156 1999 2.0 Brazilian version.
    The ELM board has worked fine in others car/protocol. I have only tested the KWP protocol on this...
  23. I did read it after posting, :) Defnately it...

    I did read it after posting, :)

    Defnately it is a great project, I will use ARM7 on mine but not this advanced graphic interface nider linux... I am student of Electronic engeneering, unfortunelly...
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    Alfa Romeo Specific PID

    Hello!

    I am needing information about the Specifis ALFA ROMEO PID, could anyone help me? I heard that AR's ECU record the total distance since the car was built. Having the PID to get this...
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    Help on ELM327 - KWP2000

    Hello!

    I am having trouble to initialize the KWP2000 protocol on a Alfa Romeo 156, seems that the ECU don't want to wake up.. after the inicialization routine nothing is awnsered back to the...
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