Toyota LC150 4.0L Firmware 89663-60Q61

89663-60Q61.cuw is cataloged for the Toyota Land Cruiser Prado LC150, identified here as the GRJ-150 with the 4.0-liter 1GR-FE engine. The identifier belongs to Toyota’s 89663 calibration-number family, which is associated with engine control software. Its exact software function and revision-specific changes are not established by the available catalog information.

Engine control context

An engine control module uses software calibrations to manage functions such as fuel delivery, ignition timing and emissions control. Those are general engine-management functions, not confirmed changes introduced by 89663-60Q61.

The related catalog entry repeats the identifier 89663-60Q61 without a stock or modified variant label. The code alone does not establish compatibility with another LC150 or a different 1GR-FE vehicle.