Toyota 4Runner 4.7L 2UZ-FE Firmware 89663-35313
Catalog reference for Toyota 4Runner 4.7L 2UZ-FE firmware 89663-35313 and its engine control module application.
89663-35313 is a Toyota engine control calibration identifier cataloged for the 4Runner with the 4.7-liter 2UZ-FE V8. It belongs to the engine control module software family, which manages fuel delivery, ignition timing and emissions-related engine functions.
In operation, the engine control module uses sensor inputs to adjust engine behavior as speed, load and temperature change. The identifier distinguishes this calibration from other Toyota software records, but it does not by itself describe a specific change made in this revision.
Catalog identification
The filename 4Runner 4.7L 2UZFE 89663-35313.bin identifies a binary firmware file. The related catalog entry 89663-35313 repeats the calibration identifier without naming a stock or modified variant. The catalog does not establish a model year or a specific vehicle compatibility list.