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Home >> Saab >> 1997 >> 9000 CS, Automatic >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Overhaul - Aw50-40LE >> Operation >> Input Speed Sensor

Input Speed Sensor

Electromagnetic (inductive) input speed (RPM) sensor, mounted in transaxle housing, is activated by a toothed impulse wheel. RPM sensor is an input device which delivers an engine RPM signal to Transaxle Control Module (TCM). By comparing engine RPM and vehicle speed, TCM can determine amount of torque converter slippage and regulate fluid pressures.