Toyota RAV4 2.0 3ZR-FE 89663-42S60_ST1_E2 SV 10000 Firmware
A catalog overview of Toyota RAV4 2.0 3ZR-FE calibration 89663-42S60_ST1_E2 SV 10000 and its modified variant labels.
89663-42S60_ST1_E2 SV 10000 is cataloged for a Toyota RAV4 2.0 with the 3ZR-FE engine. The 89663 part-number family is associated with Toyota engine-control software, which governs engine operation through the engine control module. The catalog name identifies this entry as a modified variant, but it does not establish the precise changes made to the calibration.
What the calibration controls
The engine control module uses sensor inputs to manage functions such as fuel delivery, ignition timing and emissions-related operation. Its calibration supplies the settings used for those decisions, affecting how the engine responds and operates under different conditions. The specific behavior of this 42S60 variant cannot be determined from its identifier alone.
Understanding the variant label
The base identifier is 89663-42S60. The suffix ST1_E2 SV 10000 appears in the modified file name. ST1 commonly denotes a Stage 1 tuning variant, while E2 is often used in tuning catalogs for an emissions-related modification. The exact meaning and implementation of E2 and SV 10000 are not established by this catalog entry, so neither label should be taken as proof of a particular disabled function or operating limit.
The related catalog name 89663-42S60 identifies the same base calibration family without the modified suffix. It does not, by itself, confirm the contents or compatibility of a stock file.