Toyota and Lexus Firmware 896634276100.bin
A catalog reference for Toyota and Lexus calibration identifier 896634276100.bin and its 89663 part-number family.
896634276100.bin is a Toyota-format automotive calibration file associated with the 89663 part-number family. That family is commonly used for engine control module calibration data, making an engine-control application plausible for this entry.
The association is tentative. The complete identifier alone does not establish the exact vehicle, engine, controller, or software behavior. An engine control module generally manages functions such as fuel delivery and ignition timing, but those general duties do not identify a specific change made by this calibration.