Re: Diacom problems on Thinkpads (Was Re: 88 TBI issue)

["Craig Moates" <craig.moates@home.com>]

I too have experienced difficulty with poor wiring to the ALDL causing CkSum
errors & bad data transmission, but not with Diacom. Running a 755C without
problems now on battery & inverter power.

I had routed the connection cable between the ALDL & MAX232 up through the
console to a more convenient location, and behold, the error frequency was
higher with the A/C blower on HI. Pretty blatant clue. It's fine now.

Good luck,
Craig

----- Original Message -----
From: "Barry Tisdale" <btisdale@cybersol.com>
To: <gmecm@diy-efi.org>
Sent: Friday, February 11, 2000 6:59 PM
Subject: Re: Diacom problems on Thinkpads (Was Re: 88 TBI issue)


> Make sure your ALDL wiring is up to par; I had a bad ground connection to
> the sheet metal *and* to the engine block.  Adding a *good* ground wire(s)
> solved the problem.  Measure the resistances; should be darn close tp
zero.
>
> Barry
>
> At 06:27 PM 02/11/2000 -0500, you wrote:
> >Tom, Diacom works fine on my Toshiba T1000XE.  Recently, I have been
using
> >a Thinkpad 760C and also noticed the inability to link with a 8192 baud
> >source (1990 3800).  When connected to a 160 baud ECM (1228330),
> >I have observed intermittent errors: out of range data or trouble codes
> >specific to one frame.  There's about 4 or 5 obvious errors in a 200
frame
> >capture.  Does anyone have a possible explanation or workaround?  Thanks.
> >
> >Kevin Wong         mailto:brougham1@home.com         Toronto, Ontario,
Canada
> >
>
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