Re: Specific question

Hi

And what about the "time" between receiving the Data Block and
sending the ACK? How much is the minumun?

Also, what it's the porpuse of commands 0x08 (read data channel) and
0x00 (request title)? and how I have to use it.
Thanks
Ezequiel

--- In opendiag@yahoogroups.com, "Bülent Özen" <ozenelekt@i...>
wrote:
> Hi Ezequiel
>
> Last year i had a same problem. When you turn the engine on , you
have
> disturbance on K-Line that you interpret as data. Perhaps that is
the
> problem. Also use a EMC filter ( Sytle murata ) on K-Line for test
or
> use a chip like mc33290 or si9241aey they have a integrated
circuit with
> some hysterese.
>
>
> Regards
> Bülent
>
>
>
>
>
> -----Original Message-----
> From: acetoel [mailto:Nik@i...]
> Sent: Saturday, November 08, 2003 8:25 PM
> To: opendiag@yahoogroups.com
> Subject: [opendiag] Specific question
>
> Hello,
>
> I'm trying to get RPM of my VW GOL using my own interfase and a
> microcontroller. Everything works right when the engine if off,
but
> when I start the engine the programs runs and halts when I
> accelerate or something like that happens. I think that I0m
> saturating the ECU. So I would like to know how much time do I
have
> to wait after receiving the Data Block and sending the ACK block
(in
> this case the ACK block is requering again the RPM info)?
>
> Also I'm asking RPM by reading the Channel One of the ECU (Diesel
> Pump in my case), Is it a more direct way of asking the ECU for
the
> RPM?
>
> Thanks very much
> Ezequiel
>
>
>
>
>
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Received on Sat Nov 08 15:36:27 2003