Toyota Firmware 89663-0C602 (2).bin

89663-0C602 (2).bin is associated with Toyota’s 89663 engine control calibration part-number family. That family generally identifies software used by an engine control module, which manages functions such as fuel delivery, ignition timing and emissions control. The exact vehicle application and behavior of this calibration are not established by the catalog identifier alone.

The related catalog entry is 89663-0C602. The (2) in the filename distinguishes this file name, but it does not establish a software revision, performance modification or other variant.