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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 73 (Automatic Transmission - Diagnosis - 4R100) >> Description & Operation >> Input Devices >> Output Shaft Speed Sensor

Output Shaft Speed Sensor

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Output Shaft Speed (OSS) sensor is a magnetic pick-up that provides output shaft rotation speed to PCM. OSS sensor is mounted externally on top of transmission case, near extension housing. See Figure. PCM uses OSS sensor signal to help determine Electronic Pressure Control (EPC) pressure, shift scheduling and Torque Converter Clutch (TCC) operation.