[Diy_efi] checksums
David Cooley
n5xmt at bellsouth.net
Wed Dec 29 01:50:22 GMT 2004
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On GM's anyway... pre-OBD-II=0D
My 85 GN had it, the 86 and 87's had it, and my 95 Buick LeSabre had it..=
=2E=0D
=0D
=0D
-------Original Message-------=0D
=0D
From: Adam Wade=0D
Date: 12/28/04 18:26:25=0D
To: A list for Do-It-Yourself EFI=0D
Subject: Re: [Diy_efi] checksums=0D
=0D
--- David Cooley <n5xmt at bellsouth.net> wrote:=0D
=0D
> I can't remember where it is, but there is a byte to=0D
> set in the chip for Engineering mode" which disables=0D
> the checksum check.=0D
=0D
On which ECUs? I don't think this is a universal=0D
practice by any means.=0D
=0D
=3D=3D=3D=3D=3D=0D
| 82 Honda CX500 Turbo (Cassandra) 90 Kwak Zephyr 550 (Daphne) |=0D
| "It was like an emergency ward after a great catastrophe; it |=0D
| didn't matter what race or class the victims belonged to. |=0D
| They were all given the same miracle drug, which was coffee. |=0D
| The catastrophe in this case, of course, was that the sun |=0D
| had come up again." -Kurt Vonnegut |=0D
| M/C Fuel Inj. Hndbk. @ Amazon.com - http://tinyurl.com/6o3ze |=0D
=0D
__________________________________________________=0D
Do You Yahoo!?=0D
Tired of spam? Yahoo! Mail has the best spam protection around=0D
http://mail.yahoo.com=0D
_______________________________________________=0D
diy_efi mailing list=0D
diy_efi at diy-efi.org=0D
http://lists.diy-efi.org/mailman/listinfo/diy_efi=0D
=20
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<DIV>On GM's anyway... pre-OBD-II</DIV>
<DIV>My 85 GN had it, the 86 and 87's had it, and my 95 Buick LeSabre had=
it...</DIV>
<DIV> </DIV>
<DIV> </DIV>
<DIV id=3DIncrediOriginalMessage><I>-------Original Message-------</I></D=
IV>
<DIV> </DIV>
<DIV id=3Dreceivestrings>
<DIV dir=3Dltr style=3D"FONT-SIZE: 11pt"><I><B>From:</B></I> <A href=3D"m=
ailto:espresso_doppio at yahoo.com">Adam Wade</A></DIV>
<DIV dir=3Dltr style=3D"FONT-SIZE: 11pt"><I><B>Date:</B></I> 12/28/04 18:=
26:25</DIV>
<DIV dir=3Dltr style=3D"FONT-SIZE: 11pt"><I><B>To:</B></I> <A href=3D"mai=
lto:diy_efi at diy-efi.org">A list for Do-It-Yourself EFI</A></DIV>
<DIV dir=3Dltr style=3D"FONT-SIZE: 11pt"><I><B>Subject:</B></I> Re: [Diy_=
efi] checksums</DIV></DIV>
<DIV> </DIV>
<DIV>--- David Cooley <<A href=3D"mailto:n5xmt at bellsouth.net">n5xmt at be=
llsouth.net</A>> wrote:</DIV>
<DIV> </DIV>
<DIV>> I can't remember where it is, but there is a byte to</DIV>
<DIV>> set in the chip for Engineering mode" which disables</DIV>
<DIV>> the checksum check.</DIV>
<DIV> </DIV>
<DIV>On which ECUs? I don't think this is a universal</DIV>
<DIV>practice by any means.</DIV>
<DIV> </DIV>
<DIV>=3D=3D=3D=3D=3D</DIV>
<DIV>| 82 Honda CX500 Turbo (Cassandra) 90 Kwak Zephyr 550 (Da=
phne) |</DIV>
<DIV>| "It was like an emergency ward after a great catastrophe; it =
|</DIV>
<DIV>| didn't matter what race or class the victims belonged =
to. |</DIV>
<DIV>| They were all given the same miracle drug, which was co=
ffee. |</DIV>
<DIV>| The catastrophe in this case, of course, was that the =
sun |</DIV>
<DIV>| had come up again."  =
; =
-Kurt Vonnegut |</DIV>
<DIV>| M/C Fuel Inj. Hndbk. @ Amazon.com - <A href=3D"http://t=
inyurl.com/6o3ze">http://tinyurl.com/6o3ze</A> |</DIV>
<DIV> </DIV>
<DIV>__________________________________________________</DIV>
<DIV>Do You Yahoo!?</DIV>
<DIV>Tired of spam? Yahoo! Mail has the best spam protection a=
round</DIV>
<DIV><A href=3D"http://mail.yahoo.com">http://mail.yahoo.com</A></DIV>
<DIV>_______________________________________________</DIV>
<DIV>diy_efi mailing list</DIV>
<DIV><A href=3D"mailto:diy_efi at diy-efi.org">diy_efi at diy-efi.org</A></DIV>
<DIV><A href=3D"http://lists.diy-efi.org/mailman/listinfo/diy_efi">http:/=
/lists.diy-efi.org/mailman/listinfo/diy_efi</A></DIV>
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