Re: "Black Box" information retention?

jim beam <spamvortex@[EMAIL PROTECTED]
> wrote in
news:z7ydneZcFs0v6JbanZ2dnUVZ_sbinZ2d@[EMAIL PROTECTED]
 

> Tegger wrote:
>> jim beam <spamvortex@[EMAIL PROTECTED]
> wrote in
>> news:ArGdnQpQasstnZbanZ2dnUVZ_tHinZ2d@[EMAIL PROTECTED]
 
>> 
>> 
>>> obd0 = zero
>>> obd1 = 30 secs
>>>
>>> i think obd2 varies depending on year and manufacturer, but the info
>>> is supposed to be pretty much comprehensive for anything the
>>> computer controls and covers an extensive period.
>>>
>> 
>> 
>> The data recorder ("black box") is independent of the ODB system. It 
>> records stuff like seat belt usage, air bag deployment, car speed and
>> engine RPM.
>> 
>> Automakers are beginning to add "black boxes" to their cars as
>> protection against liability and fraudulent warranty claims.
>> 
> that's very recent.  prior to that, data recording is done by the ecu.
> 


I'm not sure the data I list above was ever recorded by the ECU. That's
why 
they started installing "black boxes" in the first place.

-- 
Tegger

The Unofficial Honda/Acura FAQ
www.tegger.com/hondafaq/