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    Piece of text i received through the opendiag...

    Piece of text i received through the opendiag group :

    You receive a OBD2 response 0x55-0x08-0x08 which indicates that
    there is more than one ECU in this car - you probably send 0x33 as
    adress.It...
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    Its iso 9141 indeed, i think with the current...

    Its iso 9141 indeed, i think with the current code the init succeeds, but i now get a framing error as soon as data is received, which crashes my app. Does anyone know what kind of error this is and...
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    Yup, but its good for looking how to initialize...

    Yup, but its good for looking how to initialize connection to the ECU
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    According to the first site, vag-com does the...

    According to the first site, vag-com does the 5baud init like this :

    IOCTL_SERIAL_SET_BREAK_ON
    IOCTL_SERIAL_SET_RTS
    IOCTL_SERIAL_CLR_DTR
    IOCTL_SERIAL_SET_BREAK_OFF -> Start-Bit?...
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    I`ll post some new code, got it working for now,...

    I`ll post some new code, got it working for now, the code sends some bytes to the ECU but the only thing i receive are the exact same codes :nutz: and sometimes the program crashes and says frame...
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    Well i dont think the RS232 class does what it is...

    Well i dont think the RS232 class does what it is supposed to do, i get no errors or whatsoever but it does totally nothing. I`m going to try and find another RS232 class
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    :lol: Thanks, i`ll look into that, try to get...

    :lol:

    Thanks, i`ll look into that, try to get that code to work

    I`m going to send bytes into the optocoupler interface which sends it unmodified to ECU (Well i`m trying to do that :lol: ) The...
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    Anyone please?

    Anyone please?
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    I tried the elm interface from a friend of mine,...

    I tried the elm interface from a friend of mine, downloaded 3 different logging programs and they are WAY to slow for what i want (updated like once in a second) I want graphic dials that show...
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    I can program in c#, found something to get me...

    I can program in c#, found something to get me going for a small bit. I need to send the ECU 0x33 (in what format?) at 5 baud to initiate communication.

    How can i send 0x33 to the ECU? I can...
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    OBD2 Source code for opto interface

    Can anyone help me to OBD2 source code for a optocoupler interface, i can only find source code for the elm interface and i dont have one. My car is a Seat Leon TDI (VW TDI is the same) and i want to...
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    U Know of a circuit??

    U Know of a circuit??
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    OBD2 interface based on Max232/Max233??

    Does anyone know of a circuit based on a max232 or max233 chip to interface with OBD2, i see enough circuits based on opto isolators but i cant seem to get them to work
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    does anyone know the answer, comeon someone must...

    does anyone know the answer, comeon someone must have used obd on a pre 2001 opel astra diesel :confused:
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    anyone?? :(

    anyone?? :(
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    Could anyone pls tell me if it is possible to get...

    Could anyone pls tell me if it is possible to get the elm323 scanner to work with my car. If not what sort of scanner does work with it?
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    Is there any way to get my car to work with a...

    Is there any way to get my car to work with a elm323 scanner?

    I got the scanner already from scantool.net so i hope i can get it to work
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    Is there any way to get it to work with a obd2...

    Is there any way to get it to work with a obd2 scanner, i got an elm323 scanner and i would like to get it to work with my car if that is possible
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    Hmm then what protocol is it if it isnt obd2??

    Hmm then what protocol is it if it isnt obd2??
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    odb connector in opel(vauxhall) astra 2000?

    Does anyone know where i can find the odb connector in my car, an opel astra from the year 2000
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    the car is a vauxhall astra from 2000 with...

    the car is a vauxhall astra from 2000 with 170000km on the counter,
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    It can fluctuate indeed, but i never saw this...

    It can fluctuate indeed, but i never saw this much fluctuation, the lights dim and brighten all the time, no matter what speed i have. I can live with fluctuation but when my lights start to flicker...
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    it gives a lot of spikes, it rocks up and down...

    it gives a lot of spikes, it rocks up and down after longer measuring i measured that it is from 13.7 to 14.5 at idle and at more rpms(then from 14.0 to 14.5), it keeps rocking(jiggling?? dont know...
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    One problem with that :rolleyes: I live in the...

    One problem with that :rolleyes: I live in the netherlands :)
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    Altenator problems???

    if i put a voltagemeter on my car battery while the car is running, i measure a voltage of 13.7V which isnt constant at all, it even has spikes to 14.4V the higher the rpm is the higher the spikes...
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