Kia Carens: Automatic Transaxle Control System / Input Speed Sensor Description and operation

Input speed sensor uses an electric current type hall sensor in which the current is changed by the magnetic variation.

Input speed sensor (A) and output speed sensor are integrated and installed in the transaxle.

Measures the rate of rotation of the input shaft inside the transaxle and delivers the readings to the TCM.

The sensor provides critical input data used in feedback control, torque converter clutch control, gear setting control, line pressure control, clutch activation pressure control, and sensor fault analysis.