Toyota and Lexus Firmware 30451200-ii.bin
A catalog reference for Toyota or Lexus firmware identifier 30451200-ii.bin and its application.
30451200-ii.bin is a firmware catalog identifier associated with Toyota or Lexus. The identifier alone does not reliably establish which control module or vehicle system it belongs to, or what the software controls.
The -ii suffix is part of the filename, but its meaning and any distinction from another variant are not established by the identifier alone. A controller identification or corresponding service record would be needed to determine its application and revision purpose.