Toyota and Lexus Firmware 89663-30Q31
A catalog reference for Toyota and Lexus calibration identifier 89663-30Q31 and its engine control module software family.
89663-30Q31 is a Toyota calibration identifier in the 89663 part-number family, which is associated with engine control module software. The engine control module manages engine operation using sensor inputs and programmed control strategies.
The complete identifier distinguishes this calibration from other entries in the same family. Its exact vehicle application and any revision-specific behavior cannot be established from the identifier alone.