Toyota 89663-42631 (2).bin Firmware Catalog
Catalog details for Toyota firmware 89663-42631 (2).bin and calibration identifier 89663-42631.
89663-42631 (2).bin is a Toyota firmware file associated with calibration identifier 89663-42631. The 89663 part-number family is generally associated with engine control module software, making an engine-control application a tentative identification for this file.
An engine control module uses calibration data to manage engine operation, including fuel delivery, ignition timing and emissions-related functions. The identifier alone does not establish which of those functions this particular file changes, or identify its vehicle application.
Filename and calibration identifier
The related catalog entry lists 89663-42631, matching the full identifier in the filename. The (2) suffix distinguishes the filename but does not, by itself, establish a software revision or a stock or modified variant.