Toyota or Lexus Firmware SW#89663-30562- MOD_E2.bin
A catalog reference for Toyota or Lexus firmware SW#89663-30562- MOD_E2.bin and its 89663-30562 calibration identifier.
SW#89663-30562- MOD_E2.bin is a Toyota or Lexus firmware file associated with calibration identifier 89663-30562. The 89663 number family is associated with engine control software, so an engine control module application is plausible, but the catalog entry does not establish the exact controller or vehicle.
An engine control module manages functions such as fuel delivery and ignition timing using sensor inputs and calibration data. Those are general functions of the controller family, not confirmed changes in this particular file.
What the filename identifies
The MOD_E2 suffix labels this file as a modified variant. The related catalog entry lists 89663-30562 without that suffix. The name alone does not establish what the modification changes or whether the unsuffixed entry is a stock file.