Toyota and Lexus Firmware 89663-FA102
A catalog reference for Toyota and Lexus calibration identifier 89663-FA102 and its control-module family.
89663-FA102 is a Toyota or Lexus calibration identifier in the 89663 part-number family, which is associated with engine control software. The engine control module uses calibration data to govern functions such as fuel delivery, ignition timing and emissions control.
The association with engine control is tentative for this specific identifier. The full code alone does not establish its exact vehicle application, the behavior controlled by this calibration or a change made in this revision.