Circuit/System Description
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The output shaft speed (OSS) sensor is a hall-effect type sensor. The sensor faces the output shaft machined teeth surface. As the output shaft rotates, the sensor produces a signal frequency based on the machined surface of the output shaft. This signal is transmitted to the Transmission Control Module (TCM). The TCM uses the OSS signal in connection with the input speed sensor signal to control engine torque, shift timing and lock-up.