Re: [opendiag] Re: K Line Problem

Answer is in attachment ...

B/R
Vaklin Hristov

http://groups.yahoo.com/car-diagnose

At 09:27 20.12.2003 'ã.' +0000, you wrote:
>Hello
>
>The Car is a VW GOL Diesel 2000. So it's a new car. The ECU is a
>SaugDiesel - ECU ID:028 906 124 D
>
>What voltage levels should I use with a comparator for defening
>a "1" and a "0"?
>
>Thanks to everybody for replying
>Ezequiel
>
>--- In opendiag@yahoogroups.com, Bora Ku <borakus@y...> wrote:
>> on what car do you conect your "project" ?
>> on older car when RPM is going high, the ECU let go
>> the comunication... ECU is too busy doing what it
>> does.
>> I saw this when VAG1552 is conected.... it lose
>> contact at high RPM (but only in old cars)
>> regards
>>
>>
>>
>> --- acetoel <Nik@i...> wrote:
>> > Thanks.
>> > This is becuase my program (a Atmel AVR M128
>> > microcontroller with
>> > Graphic Display) halts when I accelerate the engine.
>> > This produces
>> > noise and I "see" (I have a monitor led on the K
>> > Line, so I see each
>> > byte sent and received - very quicky - but it's a
>> > nice way of
>> > wathcing the communication), that the ECU sends a
>> > byte 3 times with
>> > a large delay before disconecting. That's why I
>> > supposed the problem
>> > is noise on the K line. Also, I have tested all the
>> > proyect without
>> > the engine on, and the communication works
>> > perfectly.
>> >
>> > Another question. Is there any way I can get RPM in
>> > a faster way
>> > than reading a block of 4 data?
>> > Thanks
>> > Ezequiel
>> >
>> > P.D.: If anybody is interesting in sharing info, and
>> > schematics,
>> > please send me an e-mail.
>> >
>> > --- In opendiag@yahoogroups.com, "sk_888_uk"
>> > <sk@s...> wrote:
>> > > Try and a connect a 10nF 50v capacitor between the
>> > K-Line
>> > > and ground.
>> > >
>> > > sk
>> > >
>> > > http://www.skpang.co.uk
>> > >
>> > >
>> > > --- In opendiag@yahoogroups.com, "acetoel"
>> > <Nik@i...> wrote:
>> > > > Hello
>> > > >
>> > > > I'm getting some noise from the motor, into the
>> > K Line. So my
>> > > > program halts at any time. Specially when I
>> > acellerate (this
>> > > > generates more noise). How can I filter the K
>> > Line?
>> > > >
>> > > > Thanks
>> > > > Ezequiel
>> >
>> >
>>
>>
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Received on Sat Dec 20 01:47:30 2003