OBD II guys

[Mark Romans]

Bruce:  I'm not aware of any logging that takes place in the pcm except the
snap shot that occurs when a code is set.  OBD2! That does record speed,
minutes since start and the conditions when the code is set.  Only real
logging that takes place is in the DERM module when an airbag deploys.  It's
hard written to the DERM.  Early ones would record 3 deploy's, later ones 5.
Then time to buy a new one.  Thing is I don't know of many instances when a
car would survive that many crashes that cause the bags  to blow!
Mark
-----Original Message-----
From: Bruce Plecan <nacelp at bright.net>
To: diy_efi at efi332.eng.ohio-state.edu <diy_efi at efi332.eng.ohio-state.edu>
Date: Thursday, February 25, 1999 2:11 AM
Subject: Re: OBD II guys


>Well, OK, just that was marginal in being truely EFI.
>Seems like gm might be doing some logging about events other than what
would
>be diagnostics.  It just seems that the only way to do something like this
>is having
>the mpu write something to eeprom, and then logging a mileage.
>   Somehow, I just don't like the idea of a pcm tracking my behavior.
While
>I might
>be doing testing at a sanctioned drag strip, having the pcm log the events
>in a
>manner that could be construed as reckless just upsets me.
>Bruce
>
>
>>Bruce if someone writes you off-list, be sure to write me,
>>then I'll try Dave, and Dave will write Peter, and ..oh, just
>>keep it on list okay?  8~)     Good topic
>>
>>> Has anyone noticed an event recorder in working with the code?,,
>>>  Something like maybe x miles since x rpm?.
>>>  Maybe just some code that is really off the wall?.
>>>  If so I'd like to talk with ya off list.
>>>  Bruce    nacelp at bright.net
>>
>