Toyota and Lexus Firmware 89663-30B02 (2).bin

89663-30B02 is a Toyota calibration identifier in the 89663 part-number family, which is associated with engine control module software. The catalog filename 89663-30B02 (2).bin identifies a binary file carrying that calibration number.

The engine control module manages engine operation using sensor inputs and programmed calibration data. Its general responsibilities can include fuel delivery, ignition timing and emissions-related controls. The catalog identifier alone does not establish which settings this particular calibration changes or which vehicle it fits.

The related catalog entry lists the same identifier without the filename suffix. The (2) in the filename distinguishes the named file but does not, by itself, identify a stock or modified variant.