Toyota Firmware 89663-12231.bin: Calibration Reference
Catalog reference for Toyota firmware 89663-12231.bin and its engine control calibration identifier.
89663-12231.bin is a Toyota engine control calibration file. The 89663 identifier family is associated with engine control module software, which controls functions such as fuel delivery, ignition timing and emissions management.
The complete calibration identifier is 89663-12231. The catalog entry does not identify a vehicle model, engine, controller part number or variant label, so the exact application and changes made by this calibration cannot be established from the filename alone.