Toyota and Lexus Firmware 896633512100.bin

896633512100.bin is a Toyota calibration file associated with the 89663 part-number family. That family is generally used for engine control module calibrations, which govern how the engine controller manages functions such as fuel delivery, ignition timing and emissions control.

The association with an engine controller is tentative for this exact file. The identifier alone does not establish its vehicle application, specific calibration changes or compatibility with a particular control module.