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Home >> Ford >> 2012 >> Fusion S, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Automatic Transaxle (AISIN Aw21)) >> Description And Operation >> Transaxle Electronic Control System >> Speed Sensor

Speed Sensor

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The 2 speed sensors are installed in the transaxle case. One speed sensor detects revolutions of the intermediate shaft's C2 drum as input shaft revolutions. The other speed sensor detects the counterdrive gear as output shaft revolutions. These signals are transmitted to the TCM. Based on these signals, the TCM controls engine torque, shift timing and lockup.