Input shaft speed sensor: Notes
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The speed sensor is mounted on the gearcase. It provides the control module with information about input shaft speed via pin 32 (B). The sensor is grounded via pin 22 (B).
The sensor, which is a Hall sensor, measures the input shaft speed after the torque converter (turbine speed) from a 12-tooth wheel (drum of clutch C1). The control module uses the frequency to calculate the input speed.
This speed information is used for the lock-up function and engine torque limitation when changing gear.