If you have an OFT send the new rom to openflash guys and they will sort out definitions roms and logging parameters. Thats part of the price difference between an OFT and a Tactrix.
Same deal with Ecutek send rom to Ecutek and they do rom/defs/logging parameters
or BrzEdit send rom to them.
If you have tactrix then your basicly on your own, or you have to ask the guys over at romraider to define the new rom and supply the ECU ram logging addresses for the various parameters.
It always nice to donate to the romraider guys as they basicly work for free in their own time.
Be aware that the romraider guys get pretty "pissed" if you use the work they provide for free, then run a tuning business
If your running a bussiness then buy BrzEdit and they do the defs and logging for you and the price is pretty good
http://brzedit.com/index.php/2013-01-22-04-55-54
It obviously possible to create your own definitions and locate the ecu RAM logging addresses, but its a very complex and time consuming process,and requires a high level of skill and lots of learning. of low level programming and dissassembly of SH72531 processors or similar
http://www.romraider.com/forum/viewtopic.php?t=6303
http://www.romraider.com/forum/viewtopic.php?t=8449
http://www.romraider.com/forum/viewtopic.php?t=6234
http://www.renesas.com/products/mpum...7253/index.jsp
http://www.renesas.com/products/mpum...ck_diagram.jsp
or Marcus you could ask Robert