Comms problems

[Len Sabatine]

     Scott , you may be onto something , Yes , it could pan out. BTW , 
Terry K's
     post on the BCM comms was a most interesting "Wake Up " call.
     Len

>Well I did dig into things some more tonight. The 91-92 Toronados used the
>16141470 PCM, so might have a shot with that BCM. I'm going to hit the yards
>tomorrow and see what I can find. The only differences I can see would be if
>it has a VIC and some of the later Toronados didn't have the digital dash. I
>know some of that can be changed through the dash display. It can change
>some things for different options in the EEPROM. That's how I put the
>Twilight Sentinel in mine. I'll have to get into the service manual and see
>if I can do anything about the VIC and dash display. Will post more
>tomorrow.
>
>Scott
>
>----- Original Message -----
>From: "Len Sabatine" <sabatine at epix.net>
>To: <gmecm at diy-efi.org>
>Sent: Wednesday, August 22, 2001 10:32 PM
>Subject: Re: Comms problems
>
>
> >      Most likely the 1740 needs the 92 BCM for the Data Stream to work .
> >      The rub will be that the 88 BCM code is no where kin to the 92 BCM,
> >       at least as far as the 88 car Config.
> >      I'm not so sure that the 92 BCM will be happy looking at the 88 Car
>parms,
> >      then ,  the built in diags in won't work . I could be wrong too.
> >      One of those things you'll need to test against is how the 92 BCM is
>wired
> >      so as to avoid possible problems.   I'm thinking cautious here Scott.
> >      Len
> >
> > >Yes, the BCM's are different. The Toronado has (to my knowledge) a unique
> > >BCM. I don't *think* they made a Toronado with the 1740 PCM. I'll check
>on
> > >that tomorrow. If they did, it would probably be the 92 MY.
> > >
> > >There is a definate intermodule comms problem. This car has a scan tool
> > >built into the system. When I access it, I get no ECM DATA. But I can get
> > >ECM Data with a regular scan tool. I was just curious if anyone knew what
>I
> > >would have to change to get them to talk.
> > >
> > >Scott
> > >
> > >----- Original Message -----
> > >From: "Len Sabatine" <sabatine at epix.net>
> > >To: <gmecm at diy-efi.org>
> > >Sent: Wednesday, August 22, 2001 5:00 PM
> > >Subject: Re: Comms problems
> > >
> > >
> > > >      I'd suspect the BCM's are different, as most are listed per MY
>and
> > > > spec equipment.
> > > >      There  could be inter module com problem , which _ May be part of
>the
> > > > scan tool
> > > >      Glitch you're incurring. Check if the 88 BCM part matches the
>1470
> > >ECM.
> > > >      Len
> > > >
> > > > >Having some communications problems with the ECM swap on the 88
>Toronado.
> > > > >The BCM is set up to communicate with the original 1228253 and it
>won't
> > > > >communicate with the 16141470. When I hook up the scan tool (OTC
>Genisys)
> > >it
> > > > >will communicate as a 92 SC 3800 VIN 1, but if I try to read it as an
>88
> > > > >3800SFI VIN 3 it doesn't (no surprise). What does a scan tool look
>for or
> > >do
> > > > >to initiate communications with an ECM? I'm hoping that this might
>give
> > >me a
> > > > >lead as to what I've got to change in the BCM to make them talk. Has
> > >anyone
> > > > >ever played with ECM swaps on a BCM equipped car? Or am I better off
> > > > >figuring out a way to get a supercharged engine to work on the 8253?
> > > > >
> > > > >Scott
> > > > >
> > > > >If you get this twice, I tried to send it from work last night, but
>it
> > >kept
> > > > >rejecting it.
> > > > >
> > > >
> > >
> >---------------------------------------------------------------------------
> > >-
> > > > >To unsubscribe from gmecm, send "unsubscribe gmecm" (without the
>quotes)
> > > > >in the body of a message (not the subject) to
>majordomo at lists.diy-efi.org
> > > >
> > >
> > --------------------------------------------------------------------------
> > >--
> > > > To unsubscribe from gmecm, send "unsubscribe gmecm" (without the
>quotes)
> > > > in the body of a message (not the subject) to
>majordomo at lists.diy-efi.org
> > > >
> > >
> >
> >---------------------------------------------------------------------------
>-
> > >To unsubscribe from gmecm, send "unsubscribe gmecm" (without the quotes)
> > >in the body of a message (not the subject) to majordomo at lists.diy-efi.org
> >
> > --------------------------------------------------------------------------
>--
> > To unsubscribe from gmecm, send "unsubscribe gmecm" (without the quotes)
> > in the body of a message (not the subject) to majordomo at lists.diy-efi.org
> >
>
>----------------------------------------------------------------------------
>To unsubscribe from gmecm, send "unsubscribe gmecm" (without the quotes)
>in the body of a message (not the subject) to majordomo at lists.diy-efi.org

----------------------------------------------------------------------------
To unsubscribe from gmecm, send "unsubscribe gmecm" (without the quotes)
in the body of a message (not the subject) to majordomo at lists.diy-efi.org