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Home >> Nissan-Datsun >> 2007 >> Sentra L4-2.5L (QR25DE) >> Repair and Diagnosis >> Powertrain Management >> Transmission Control Systems >> Description and Operation >> TCM Function
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TCM Function

TCM Function
The function of the TCM is to:
^ Receive input signals sent from various switches and sensors.
^ Determine required line pressure, shifting point, and lock-up operation.
^ Send required output signals to the step motor and the respective solenoids.

CONTROL SYSTEM OUTLINE
The CVT senses vehicle operating conditions through various sensors. It always controls the optimum shift position and reduces shifting and lock-up shocks.