Toyota and Lexus Firmware 89663-24560
A catalog reference for Toyota and Lexus calibration identifier 89663-24560 and its engine-control software family.
89663-24560 is a Toyota or Lexus calibration identifier in the 89663 part-number family, which is associated with engine-control module software. This family generally covers software used by the engine control module to manage engine operation, although the exact application and behavior of this calibration are not established here.
What the identifier represents
An engine control module uses sensor inputs to manage functions such as fuel delivery and ignition timing. The association of 89663-24560 with that controller role is tentative. The identifier alone does not establish which vehicle uses it or what changes this particular revision makes.