ALDL on V6 Cavalier

[Eric S]

Ok, so I went back to stock code, got the chatter settings worked out in 
EfiLIve, now I need to tell it where to read data. (RPM, EGR, all that 
stuff)  I am having a difficult time trying to figure out what addresses to 
point it to.  Any suggestions?


>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 15:55:08 -0400
>
>
>It actually just comes down to timing and the proper chat strings. By
>timing I mean delays between the receiving/sending of strings. This
>was another area that I had to play with. With the programs mentioned
>I would figure that the timing was there. Otherwise they wouldn't
>function at all. Might want to try the stock chip. Can't hurt to double
>check stuff.
>
>BobR.
>
>
>Eric S wrote:
>
> > Ok, this is different from the request information that I have.  I still
> > can't get this to work with either EFIlive, or carchat.  Is there 
>anything
> > else that I need to know?  If it makes any difference, I have made some
> > programming adjustments to my chip.
> >
> > >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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