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Home >> Subaru >> 1995 >> Legacy Brighton, Automatic >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Diagnosis - 4-Speed >> Operation >> TCM Input Devices >> Engine Speed Sensor (Tach Signal)

Engine Speed Sensor (Tach Signal)

Engine speed sensor detects engine speed. This signal is used for torque converter lock-up operation. This provides for smooth and controlled operation and prevents engine overrunning in 1st and 2nd range.