Toyota Aqua and Prius c Firmware 89663-5C330
A catalog reference for Toyota 89663-5C330 firmware associated with the Aqua and Prius c 1.5-liter 1NZ-FXE hybrid.
89663-5C330 is a Toyota engine-control calibration identifier associated in the catalog with the Aqua and Prius c 1.5-liter hybrid. The 89663 part-number family is used for engine control module software. In this hybrid application, the engine controller manages the gasoline engine as part of a powertrain that also uses electric drive.
Engine control in the 1NZ-FXE hybrid
The 1NZ-FXE is the 1.5-liter gasoline engine named in the catalog filename Aqua Prius C 1.5L 1NZFXE Hybrid 89663-5C330.bin. Its engine controller regulates functions such as fuel injection and ignition while working with the hybrid control system. In normal driving, that coordination helps the engine operate when power is needed and stop when hybrid operation permits.
The catalog identifies the calibration and powertrain but does not describe a specific change made by this revision. The filename also contains no stock or modified variant label. The vehicle and engine names are useful identifiers for the record, rather than proof of compatibility with every Aqua or Prius c.