Toyota and Lexus Firmware 89663-24091.bin
A catalog reference for Toyota and Lexus firmware 89663-24091.bin and its 89663 calibration identifier.
89663-24091.bin is a Toyota or Lexus firmware file listed under calibration identifier 89663-24091. Toyota uses the 89663 number family for engine control module calibration software, so this entry is tentatively associated with engine management.
An engine control module uses calibration data to manage functions such as fuel delivery, ignition timing and emissions control. The identifier alone does not establish which vehicle or engine uses this calibration, or what this particular revision changes.