Description And Operation: Description
WARNING: This page is about a different car, the 2020 Kia Sedona. However, it is still accessible from the selected car via links, so may be relevant.
Input speed sensor: Used for detecting the speed of OD drum
Output speed sensor: Used for detecting the speed of transfer drive gear
Middle speed sensor: Used as a signal for reducing the engine torque to prevent secondary damage during abnormally fast rotation