ALDL on V6 Cavalier

[Eric S]

I've got the ALDL cable, and the scantool, but how did you overcome the 
setting of the baud rate?  Windows is not allowing me to set a baud rate of 
8192, I am in the process of searching for more terminal software, is there 
a certain driver that I need for my com port?


>From: "rr" <rrauscher at nni.com>
>Reply-To: diy_efi at diy-efi.org
>To: diy_efi at diy-efi.org
>Subject: Re: ALDL on V6 Cavalier
>Date: Mon, 17 Sep 2001 09:46:26 -0400
>
>I tapped the data stream using a basic aldl to PC cable.
>This allowed the data to be converted to RS-232 levels
>that the serial port could use. Then used a terminal
>program to capture the data stream.
>
>It was a receive only process. I let the scan tool do
>all of the bidirectional talking.
>
>BobR.
>
>
>
>On Mon, 17 Sep 2001 02:35:09 +0000
>  "Eric S" <eric654321 at hotmail.com> wrote:
> > Woah! wait a minute, there's my answer! (I think)  I have
> > an OTC 2000
> > scantool for my car, it obviously hass all the request
> > codes and lookups
> > already stored in it.  How dod you monitor what it was
> > saying to the ECM?
> >
> >
> > >From: rr <RRauscher at nni.com>
> > >Reply-To: diy_efi at diy-efi.org
> > >To: diy_efi at diy-efi.org
> > >Subject: Re: ALDL on V6 Cavalier
> > >Date: Sun, 16 Sep 2001 10:11:22 -0400
> > >
> > >
> > >I had trouble talking to an $88 mask '730 ECM. What I
> > finally did was
> > >to connect to the ECM using a regular scan tool. By
> > tapping into and
> > >capturing the data stream I was able to see the required
> > commands.
> > >
> > >With that information I was then able to connect with
> > the home brew tools.
> > >The command bytes were different from any of the others
> > I had seen.
> > >
> > >The no chatter string:
> > >
> > >     F0 55 BB
> > >
> > >The normal ALDL request string:
> > >
> > >     F0 56 01 B9
> > >
> > >BobR.
> > >
> > >Rodney Fulk wrote:
> > >
> > > > Well if you get it working let me know.. I have an
> > '89 Z24 I would like
> > >to
> > > > be able to "talk" to.
> > > > I tried to get EFlive working with my '94 Caprice and
> > I gave up on it. I
> > > > have other SW now to talk to my LT1 but nothing to
> > talk to my Z24.
> > > >
> > > > -----Original Message-----
> > > > From: owner-diy_efi at diy-efi.org
> > [mailto:owner-diy_efi at diy-efi.org]On
> > > > Behalf Of Eric S
> > > > Sent: Saturday, September 15, 2001 2:04 PM
> > > > To: diy_efi at diy-efi.org
> > > > Subject: ALDL on V6 Cavalier
> > > >
> > > > Ok, I am trying to get an ALDL interface cable
> > working on my 1990
> > >cavalier
> > > > Z24 5 Speed.  I've got a number of different
> > programs, Carchat, and
> > >EFIlive.
> > > >   I got the cable from AKM, but I can't get the
> > interface to work.  I've
> > >got
> > > > a sheet which shows the ECM request codes, but no
> > matter how I configure
> > > > these programs, I am still having no luck!
> > > >
> > > > 127730 Computer, ATMF5241 Broadcast code.
> > > >
> > > > _________________________________________________________________
> > >
> > >---------------------------------------------------------
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