Toyota and Lexus 89663-30S91 Firmware
A catalog reference for Toyota and Lexus 89663-30S91 firmware and its related BIN and MPC filenames.
89663-30S91 is a Toyota or Lexus firmware identifier listed in two catalog filenames: 89663-30S91.bin and 89663-30S91.MPC. The filenames identify the same calibration code but do not name a vehicle, controller, or modified variant.
Controller family and application
The 89663 part-number family is associated with Toyota engine control software. Its tentative association is therefore with an engine control module, which manages functions such as fuel delivery, ignition timing, and emissions controls. The full identifier and filenames alone do not establish the exact application or what this particular revision changes.
The BIN and MPC extensions distinguish the catalog files. They do not, by themselves, establish different vehicle functions or indicate that either file is modified.