Toyota and Lexus Firmware 89663-60551 (3).bin
A catalog reference for Toyota and Lexus calibration 89663-60551 and its likely engine control module family.
89663-60551 (3).bin is a binary firmware file associated with Toyota calibration identifier 89663-60551. The 89663 part-number family is generally associated with engine control module software, so an engine-control application is a tentative identification for this file.
An engine control module uses calibration data to manage operating decisions such as fuel delivery and ignition timing. The complete identifier and available catalog name do not establish which vehicle uses this calibration or what changes this particular revision makes.
Filename and variant
The related catalog entry is listed as 89663-60551. The (3) in the binary filename is not identified as a stock or modified variant label, and the name does not describe a specific software feature.