Toyota Firmware 89663-0CN70
A catalog reference for Toyota firmware identifier 89663-0CN70 and its calibration number family.
89663-0CN70 is a Toyota calibration identifier in the 89663 part-number family, which is associated with engine control software. The exact controller application and vehicle fitment for this identifier are not established here.
An engine control module uses calibration data to manage functions such as fuel delivery, ignition timing and emissions control. That general role does not establish what changed in calibration 89663-0CN70 or which of those functions a particular revision affects.