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Home >> Nissan-Datsun >> 2002 >> Sentra SE-R L4-2.5L (QR25DE) >> Repair and Diagnosis >> Powertrain Management >> Transmission Control Systems >> Description and Operation >> Overall System >> Control System
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Control System

OUTLINE





The automatic transaxle senses vehicle operating conditions through various sensors. It always controls the optimum shift position and reduces shifting and lock-up shocks.





CONTROL SYSTEM

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








INPUT/OUTPUT SIGNAL OF TCM