the only info i have on this is for the engine. purdy sure your issue will be associated with the trans/OD system. sure you figured that out.
you might delete this post and re-submit it on the down under/Australian threads. it will sit there for a while b4 coming here to N. American threads as your vehicle isn't what we see here.
to put in your tool box for later, (toyota FSM for a 1 KZ TE)
http://www.ncttora.com/fsm/1KZ-TE%20...-TE/index.html
that's for a '99 aussie platform. the management systems are likely different. but mechanically, they should be the same.
sorry i couldn't hep ya mate.