RE: Diacom reports 23 battery volts?

["Jim Sloan" <leroy@sunflower.com>]

Thanks to all that responded to my problem.  I replaced the ecm and all is
well.

Jim Sloan
leroy@sunflower.com


> -----Original Message-----
> From: owner-gmecm@diy-efi.org
> [mailto:owner-gmecm@diy-efi.org]On Behalf
> Of Programmer
> Sent: Wednesday, August 30, 2000 1:38 AM
> To: gmecm@diy-efi.org
> Subject: Re: Diacom reports 23 battery volts?
>
>
> Yes--AC--anything over 300mV causes really "neat" things
> to happen. False VSS, sine wave riding a MAF signal, etc...
> when clipped gives a false frequency.
> Lyndon.
> -----Original Message-----
> From: Bruce Plecan <nacelp@bright.net>
> To: gmecm@diy-efi.org <gmecm@diy-efi.org>
> Date: August 29, 2000 1:44 PM
> Subject: Re: Diacom reports 23 battery volts?
>
>
> >Also, seen shorted diodes put enough a/c into system to do
> screwy things
> >Bruce
> >
> >
> >> Measure the voltage at the ALDL with the car running. I've
> seen this
> >problem
> >> when
> >> two fusible links are improperly repaired...but voltage
> regulation could
> >be
> >> toast, too.
> >> Lyndon.
> >> -----Original Message-----
> >> From: Jim Sloan <leroy@sunflower.com>
> >> To: gmecm@diy-efi.org <gmecm@diy-efi.org>
> >> Date: August 29, 2000 10:55 AM
> >> Subject: Diacom reports 23 battery volts?
> >>
> >>
> >> >My dad called and said his car wasn't running right and
> the check engine
> >> >light was on. It is a 91 Cutlass Ciera with a 3.3L.  I
> hooked up Diacom
> >and
> >> >checked the trouble codes. The current code listed high
> battery voltage.
> >> >History showed high battery voltage, tps sensor out of
> range and esc
> >> >malfunction. I started the car and Diacom showed around 23 volts!
> Voltage
> >> at
> >> >the alternator was 14.5. I checked the inputs at the ecm
> and didn't find
> >> >anything over 13.  I think his ecm is toast.  Anyone else
> had a similar
> >> >problem?
> >> >
> >> >The ecm number is 16159274. Memcal AXAT9713. I can post
> it to incoming
> if
> >> >anyone can help me identify the eprom.  I think it's a 27C256.
> >> >
> >> >TIA,
> >> >
> >> >Jim Sloan
> >> >leroy@sunflower.com
> >> >
> >> >
> >>
> >>------------------------------------------------------------
> --------------
> -
> >> -
> >> >To unsubscribe from gmecm, send "unsubscribe gmecm"
> (without the quotes)
> >> >in the body of a message (not the subject) to
> majordomo@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@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@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@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@lists.diy-efi.org