Toyota Verso 1.8L ECU Firmware 89663-0F461.cuw
A catalog reference for Toyota Verso 1.8L 2ZR-FAE firmware 89663-0F461.cuw and its engine control role.
89663-0F461.cuw is cataloged as engine control firmware for the Toyota Verso ZGR-21 with the 1.8-liter 2ZR-FAE engine. Its 89663 calibration identifier belongs to Toyota’s engine control software numbering family.
Engine control function
The engine control module uses calibration data to manage engine operation, including fuel delivery, ignition timing and electronic throttle response. On the 2ZR-FAE, it also controls systems associated with variable valve timing and Valvematic variable valve lift. These functions affect starting, drivability, performance and emissions.
The catalog entry does not name a specific change or modified feature for 89663-0F461.cuw. The functions above describe the controller’s general role, not a documented improvement introduced by this calibration.
Identifying the catalog entry
The complete identifier 89663-0F461 distinguishes this calibration from other Toyota engine firmware records. The catalog identifies the vehicle as Verso ZGR-21 and the engine as 2ZR-FAE, but it does not establish compatibility with a particular control module or vehicle beyond that description.