Closed Loop Disable in $6E

[Marteney, Steven J.]

Er derr, I just realized a mistake.  The $6E code is in a 27C128, not a 32,
which should only be addressable to 0x4000.  Still not to 0xC000, though.
Steve

-----Original Message-----
From: Marteney, Steven J. [mailto:smarteney at xlvision.com]
Sent: Tuesday, January 30, 2001 12:07 PM
To: gmecm at diy-efi.org
Subject: RE: Closed Loop Disable in $6E 


Couple questions:
1) Is the address OxC445, or a mistype and should be Ox445?
2) If it is 0xC445, what is the offset being used by the microcontroller?
The $6E code is in a 27C32 Prom which only has 32kbits of memory, or 4k
bytes, which addresses to a max of 0x1000.  0xC445 is out of this range.
3) Assume setting to FF would make it max temp, or is it a signed number?
(Guess I'll just have to play with it when I figure out the location.)

Thanks for the help so far!
Steve


-----Original Message-----
From: Michael Davis [mailto:davis at mail.eecis.udel.edu]
Sent: Tuesday, January 30, 2001 9:36 AM
To: gmecm at diy-efi.org
Subject: Re: Closed Loop Disable in $6E 



How about the closed-loop min. temp?  (0xc445)


In message
<8CFC65F1B157D411B42A009027E301B5CBBC92 at xlvmail.xlvision.com>,"Marte
ney, Steven J." writes:
>Recent discussion on open loop tuning got me to searching.  There was
>mention of a Closed Loop Enable vs. Temp constant, possibly in an $8D mask,
>just guessing.  I looked for it in $6E stuff under TunerCat and one ECU I
>have for Winbin.  The only thing close are the Hot, Warm, and Cold Closed
>Loop O2 Timers, max setting of 512 seconds each.  Can anyone help disable
>closed loop in a $6E, specifically APYU3516 (89 '165 MAF Fbody 350 A4)?
>Thought about unplugging O2 sensor but figured it would throw a code and go
>limping home.
>
>Steve
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