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Home >> Ford >> 2003 >> Taurus SES, 3.0 2, AX4S >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - Ax4S >> Description And Operation >> Transaxle Electronic Control System >> Output Shaft Speed (OSS) Sensor

Output Shaft Speed (OSS) Sensor

The output shaft speed (OSS) sensor is a magnetic pickup, located at the output shaft ring gear, that sends a signal to the PCM to indicate transmission output shaft speed. The OSS is used for torque converter clutch control, speed scheduling and to determine electronic pressure control.