Toyota 89663-60Q61 Firmware for Land Cruiser Prado 150 4.0L

Toyota 89663-60Q61 is an engine control calibration cataloged for the Land Cruiser 150 series with the 4.0-liter 1GR-FE gasoline engine. The associated GRJ150 and GRJ15# identifiers place it in the Prado’s 1GR-FE vehicle family. It belongs to the engine control module software family, rather than a body or infotainment system.

The engine control module uses calibration data to manage functions such as fuel delivery, ignition timing and electronic throttle operation. These controls affect how the engine starts, responds to the accelerator and runs under changing loads. The catalog identifies the application, but it does not describe a specific driving change made by this calibration revision.

Catalog identifiers and file labels

The names LC150 (GRJ-150) 4.0L 1GR-FE 89663-60Q61.bin and LC150 (GRJ-150) 4.0L 1GR-FE 89663-60Q61.cuw identify the same calibration number in two file formats. The related file 89663-60Q61_GRJ15#_1GRFE_SE4.bin carries the broader GRJ15# model-code notation and the label SE4. The filename does not explain what SE4 means or establish a particular modification.

For diagnostic work, the complete calibration identifier helps distinguish this record from other engine software in the same part-number family. The vehicle model and engine labels provide application context, but they do not establish compatibility with every GRJ150 vehicle or describe the revision history.