The code column in the attached files is the same large 2 character code found on Nissan / Infiniti Engine Control Modules.
This is not complete, and may have errors, but the only resource I've come across to cross reference and identify many different late model Nissan engine computers.
Enjoy!
ECM ECU
http://www.technosquareinc.com/pdfs/ECUcodelist20070501.pdf
http://www.technosquareinc.com/pdfs/ECUcodelistJDM20070501.pdf
This is not complete, and may have errors, but the only resource I've come across to cross reference and identify many different late model Nissan engine computers.
Enjoy!
ECM ECU
http://www.technosquareinc.com/pdfs/ECUcodelist20070501.pdf
http://www.technosquareinc.com/pdfs/ECUcodelistJDM20070501.pdf