Hmm i have had smoke and then eventually oil come through the breather,was a failed piston( had hole in)
I think you need to do a compression test.
Have a read here at the bottom for the codes
http://www.toyotagtturbo.com/forums/showwiki.php?title=EFI+self-diagnosis+system
Sounds like you might have a few dodgey sensors or a brake in a few wires