Toyota Land Cruiser 200 4.0 Firmware 89663-60K31

89663-60K31 is cataloged as engine control firmware for a Toyota Land Cruiser 200 with the 4.0-liter 1GR-FE engine. The associated file is named LC200 4.0 1GRFE 89663-60K31.bin.

Engine control function

The 89663 part-number family is associated with Toyota engine control software. In this application, the engine control module manages functions such as fuel injection and ignition timing using sensor readings and operating conditions. These controls affect how the 1GR-FE engine starts, idles and responds to the accelerator.

The catalog filename identifies the Land Cruiser 200, engine and calibration code, but does not describe a specific change made by this revision or name a modified variant. The identifier alone should not be used to establish compatibility with another vehicle or controller.