Toyota Tacoma 4.0 1GR-FE Firmware 89663-04361
A catalog reference for Toyota Tacoma 4.0-liter 1GR-FE engine-control firmware 89663-04361, listed for a manual-transmission 2WD application.
89663-04361 is listed as an engine-control calibration for a Toyota Tacoma with the 4.0-liter 1GR-FE V6, manual transmission and two-wheel drive. Its engine control module manages functions such as fuel injection, ignition timing and electronic throttle operation to run the engine under changing driving conditions.
What the calibration identifies
The filename Tacoma 4.0 1GRFE MT 2WD 89663-04361.bin identifies the engine, transmission and drivetrain associated with this binary file. The 89663-04361 calibration identifier distinguishes it from other Toyota engine-control software entries.
The catalog name does not identify a stock or modified variant, a specific change made by this revision, or an exact model year. The engine-management functions described here are the controller’s general role, not a claim that this particular calibration changes any one of them.