Toyota 89663-06A31-_AVT_Stage1.bin Firmware

89663-06A31-_AVT_Stage1.bin is a Toyota engine-control calibration file. The 89663 part-number family is associated with engine control module software, which supports functions such as fuel delivery, ignition timing and emissions control.

The related catalog identifier is 89663-06A31. The filename adds the labels AVT and Stage1, but those labels alone do not establish which calibration settings were changed or what effect the file has on vehicle performance. The exact vehicle and engine application cannot be reliably identified from this catalog entry alone.