Toyota Firmware 89663-06S60: Calibration Catalog Reference
A concise reference to Toyota firmware identifier 89663-06S60 and its engine control calibration number family.
89663-06S60 is a Toyota engine control module calibration identifier in the 89663 part-number family. Engine control software helps manage functions such as fuel delivery, ignition timing and emissions control, although the exact application and behavior of this calibration are not established here.
What the identifier means
The complete identifier distinguishes this calibration from other Toyota software numbers, including those with a similar prefix. It does not, by itself, establish a specific vehicle model, engine, compatibility or change introduced by this revision.