Open/closed loop

[Carl Ijames]

> I just came back from the track today & i am a bit confused.  i thought
> that when you were past a certain percent TPS (setable via a lookup table)
> that the ecm would go into open loop.  i made 6 WO passes & never once did
> it go into open loop.  
> 
> BTW, this is a 7730/$8D ecm.  i don't know what the broadcast code is i
> have not been able to figure that out yet.  

Don't know the 730's, but on a 7148 the closed loop flag in the aldl
stream means "okay to go closed loop", not "in closed loop".  I think it's
based on coolant temp and O2 activity, plus a startup timer.

-- 
Regards,
Carl Ijames     ijames at netaxs.com


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