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Re: TPI '165 pulling timing after Cold start
I have captured the timing event on disk. If anyone cares to look, download the
file located at:
http://home.earthlink.net/~gellett/ecmcapture.csv (70k)
The event is at rows 64 and 65 if you view with MS Excel.
Really the only clues I can see are the NV mode word and the EGR duty cycle. As
you can see, the ECM is pulling about 20 deg of timing until row 65.
This particular calibration is bone stock 88 305 auto 2.73 - AKFM (32 ID) .
Keep in mind that the same thing happens with ARAP and APYN, both 6E IDs
Data pulled with Craig Moates' ECM165V3 program.
Thanks Again
Gabe
Bruce Plecan wrote:
> Look at the flags for enabling it.
> Big shiny 0
> Grumpy
>
> > Hey Mark
> >
> > I've got the ECMGuy's disassembly of the 165 here and this looks like a
> > knock test to me. Am I wrong?
> >
> > LC229: FCB 235 ; If KNOCK low time > 3.67 Sec, Enab ERR #43
> > ; CALIB = Arg * 64
> >
> > LC22A: FCB 45 ; If ERR 43, then KNOCK retard 7.9 Deg
> > ; CALIB = Deg * 256/45
> >
> > LC22B: FCB 57 ; Add 10 Deg Sprk Adv for #43 test
> > ; CALIB = Deg * 256/45
> >
> > LC22C: FCB 173 ; 90C (194) MIN COOL TO ENABLE ERR 43
> > ; CALIB = (Deg C + 40) * 256/192
> >
> > LC22D: FCB 170 ; If LV < 170, Disable ERR 43
> >
> > This is the 86 $32 calibration though.
> >
> > Dan Plaskett
> >
> >
> >
> > ----- Original Message -----
> > From: "Romans, Mark" <romans@starstream.net>
> > To: <gmecm@diy-efi.org>
> > Sent: Friday, July 21, 2000 8:52 PM
> > Subject: Re: TPI '165 pulling timing after Cold start
> >
> >
> > > Bruce, I'm not sure but I don't think the 165 does the knock test. I
> > think
> > > it's the 730 and later.
> > > Mark
> > > ----- Original Message -----
> > > From: "Bruce Plecan" <nacelp@bright.net>
> > > To: <gmecm@diy-efi.org>
> > > Sent: Friday, July 21, 2000 5:03 AM
> > > Subject: Re: TPI '165 pulling timing after Cold start
> > >
> > >
> > > > Then there is still something odd, that the self diagnostics doesn't
> > catch
> > > > it when you disconnect it. What temp are you runnning the motor at?
> > > > Grumpy
> > > >
> > > >
> > > > > Anyone got a copy of APYM? I believe someone said that was one of
> the
> > > > latest
> > > > > 305 auto bin's out there. I've checked the FTP and Mike Davis's
> page,
> > > and
> > > > > haven't found it at either, really haven't found an '89 305 auto
> > > > calibration
> > > > > floating around at all...
> > > > >
> > > > > BTW, I reconnected the Knock sensor - same results. I checked the
> > knock
> > > > count
> > > > > and it will increase with the sensor hooked up and will not without,
> > so
> > > I
> > > > assume
> > > > > the circuit to be functional.
> > > > > Gabe
> > > > > Ludis Langens wrote:
> > > > > > Gabe wrote:
> > > > > > > Does anyone know the application for APYN??? It was on the
> GMECM
> > > > FTP...
> > > > > > 1989, Camaro, 5.7, 700 R4 automatic, federal emissions, 2.77:1
> > > > > > Ludis Langens ludis (at) cruzers
> (dot)
> > > com
> > > >
> > > >
> > >
> >
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