Re: TPI '165 pulling timing after Cold start

["Dan Plaskett" <dynastydan@worldnet.att.net>]

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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