Re: "Black Box" information retention?

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.