Re: K Line Problem

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 01:27:13 2003