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Home >> Fiat >> 2013 >> 500 Pop, Automatic Trans >> Repair and Diagnosis >> Transmission >> Automatic Trans >> (Transmission Control Module (TCM) - Electrical Diagnostics >> Diagnosis And Testing >> P0715-Input/Turbine Speed Sensor "A" Circuit >> Theory Of Operation
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Theory Of Operation

The Input Speed sensor is used to calculate torque converter speed ratio. The Input Speed sensor is also used together with Output Speed sensor to calculate gear ratios.