Toyota C-HR 89663-F4031 Firmware
A catalog overview of Toyota C-HR firmware 89663-F4031 and its association with the 3ZR-FAE engine.
89663-F4031 is a Toyota firmware identifier cataloged with the C-HR and the 2.0-liter 3ZR-FAE engine. Its association with the engine control module is tentative: the 89663 part-number family is used for engine control calibrations, but the available catalog names do not establish the exact application or changes in this revision.
Engine control context
Engine control software manages functions such as fuel delivery, ignition timing and emissions control. These functions affect how the engine responds to the accelerator, runs at idle and operates under different driving conditions. The identifier alone does not show which of those functions, if any, changed in calibration 89663-F4031.
The catalog contains a descriptive file, C-HR 2.0 3ZRFAE 89663-F4031.bin, and a second file named 89663-F4031.bin. Neither filename identifies a modified variant or names a particular software feature.