[Diy_efi] Mopar PCM info
David Cooley
n5xmt at bellsouth.net
Thu Oct 14 01:02:53 GMT 2004
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It always seem like some people start and hit a few dead ends and quit...
Unfortunately for Mother Mopar, I don't give up! If I remember right, pr=
e
96 PCM's there was at least 1 company that would remove the EPROM and bur=
n a
new chip, then solder it back in... but most of those have gone by the
wayside... not sure if it was because there wasn't much interest or what.=
=2E.=20
I'm also getting a 5.9 Jeep PCM... the Jeep in 98 used electric cooling
fans, so I'll see if there are different tables, and also where things li=
ke
VIN and mileage is stored in the system... Another guy I have been talki=
ng
with brought up a really good point... Since mopar went with off the shel=
f
Motorola processors (HC16 and HC11) I should be able to talk to them via =
a
serial interface over the SCI... that may give me some real insight into
what they are doing, as I should be able to dump the ROM and see what the
code is doing!=0D
=0D
=0D
-------Original Message-------=0D
=0D
From: A list for Do-It-Yourself EFI=0D
Date: 10/13/04 20:47:33=0D
To: A list for Do-It-Yourself EFI=0D
Subject: Re: [Diy_efi] Mopar PCM info=0D
=0D
David,=0D
I'm glad you're making some good progress on the Mopar code. Seems like=0D
there's not been much progress on any of the Mopar parts since they first=
=0D
came out in the 80's, and most of the "upgrades" have been through patche=
s=0D
or bleeds of some sort. As soon as I come up with some good questions, I=
'll=0D
shoot them your way.=0D
=0D
Clair=0D
69 Valiant 7730=0D
FTWTX=0D
=0D
----- Original Message -----=0D
From: "David Cooley" <n5xmt at bellsouth.net>=0D
To: <diy_efi at diy-efi.org>=0D
Sent: Tuesday, October 12, 2004 12:02 PM=0D
Subject: [Diy_efi] Mopar PCM info=0D
=0D
=0D
On a good note, My SMT skills seem to be up to par... removed the flash =
and=0D
installed a couple 32 pin PLCC sockets on the PCM for my 97 Dodge Ram, to=
ok=0D
new chips, flashed them with the contents of what was in it for my 5.2 an=
d=0D
it fired the truck up and ran fine... then flashed them with the binarie=
s=0D
of the 5.9 PCM I have and it ran good, but a bit rich... so my testing is=
=0D
working out so far!=0D
I've put up a web page with all my junk on these as well...=0D
=0D
http://www.nancyknowshomes.com/dodge/97PCM/pcm.htm=0D
=0D
=0D
-------------------------------------------------------------------------=
---=0D
----=0D
=0D
=0D
> _______________________________________________=0D
> diy_efi mailing list=0D
> diy_efi at diy-efi.org=0D
> http://lists.diy-efi.org/mailman/listinfo/diy_efi=0D
>=0D
=0D
=0D
_______________________________________________=0D
diy_efi mailing list=0D
diy_efi at diy-efi.org=0D
http://lists.diy-efi.org/mailman/listinfo/diy_efi=0D
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<DIV>It always seem like some people start and hit a few dead ends and qu=
it... Unfortunately for Mother Mopar, I don't give up! If I remembe=
r right, pre 96 PCM's there was at least 1 company that would remove the =
EPROM and burn a new chip, then solder it back in... but most of th=
ose have gone by the wayside... not sure if it was because there wasn't m=
uch interest or what... I'm also getting a 5.9 Jeep PCM...&nbs=
p; the Jeep in 98 used electric cooling fans, so I'll see if there are di=
fferent tables, and also where things like VIN and mileage is stored in t=
he system... Another guy I have been talking with brought up a real=
ly good point... Since mopar went with off the shelf Motorola processors =
(HC16 and HC11) I should be able to talk to them via a serial interf=
ace over the SCI... that may give me some real insight into what th=
ey are doing, as I should be able to dump the ROM and see what the code i=
s doing!</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: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>Date:</B></I> 10/13/04 20:=
47:33</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] Mopar PCM info</DIV></DIV>
<DIV> </DIV>
<DIV>David,</DIV>
<DIV>I'm glad you're making some good progress on the Mopar code. &n=
bsp;Seems like</DIV>
<DIV>there's not been much progress on any of the Mopar parts since they =
first</DIV>
<DIV>came out in the 80's, and most of the "upgrades" have been through p=
atches</DIV>
<DIV>or bleeds of some sort. As soon as I come up with some go=
od questions, I'll</DIV>
<DIV>shoot them your way.</DIV>
<DIV> </DIV>
<DIV>Clair</DIV>
<DIV>69 Valiant 7730</DIV>
<DIV>FTWTX</DIV>
<DIV> </DIV>
<DIV>----- Original Message -----</DIV>
<DIV>From: "David Cooley" <<A href=3D"mailto:n5xmt at bellsouth.net">n5xm=
t at bellsouth.net</A>></DIV>
<DIV>To: <<A href=3D"mailto:diy_efi at diy-efi.org">diy_efi at diy-efi.org</=
A>></DIV>
<DIV>Sent: Tuesday, October 12, 2004 12:02 PM</DIV>
<DIV>Subject: [Diy_efi] Mopar PCM info</DIV>
<DIV> </DIV>
<DIV> </DIV>
<DIV>On a good note, My SMT skills seem to be up to par... rem=
oved the flash and</DIV>
<DIV>installed a couple 32 pin PLCC sockets on the PCM for my 97 Dodge Ra=
m, took</DIV>
<DIV>new chips, flashed them with the contents of what was in it for my 5=
=2E2 and</DIV>
<DIV>it fired the truck up and ran fine... then flashed them w=
ith the binaries</DIV>
<DIV>of the 5.9 PCM I have and it ran good, but a bit rich... so my testi=
ng is</DIV>
<DIV>working out so far!</DIV>
<DIV>I've put up a web page with all my junk on these as well...</DIV>
<DIV> </DIV>
<DIV><A href=3D"http://www.nancyknowshomes.com/dodge/97PCM/pcm.htm">http:=
//www.nancyknowshomes.com/dodge/97PCM/pcm.htm</A></DIV>
<DIV> </DIV>
<DIV> </DIV>
<DIV>--------------------------------------------------------------------=
--------</DIV>
<DIV>----</DIV>
<DIV> </DIV>
<DIV> </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">h=
ttp://lists.diy-efi.org/mailman/listinfo/diy_efi</A></DIV>
<DIV>></DIV>
<DIV> </DIV>
<DIV> </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>
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