Toyota RAV4 2.2D 2ADFHV 89663-42B11 Firmware
A catalog reference for Toyota RAV4 2.2D 2ADFHV firmware 89663-42B11 and its likely engine-control role.
89663-42B11 is a firmware identifier cataloged for the Toyota RAV4 2.2D with the 2ADFHV diesel engine. Its 89663 part-number family is associated with Toyota engine-control software, so this entry is likely an engine control module calibration.
Engine-control role
The engine control module manages diesel engine operation using sensor inputs and programmed calibration data. Its general responsibilities include controlling fuel injection and coordinating engine functions that affect starting, drivability and emissions.
The complete identifier 89663-42B11 distinguishes this catalog entry from other Toyota calibrations. The available catalog information does not establish a specific change or feature introduced by this revision.