Sentra XE L4-1597cc 1.6L DOHC MFI (GA16DE) (1997)
Torque Converter Clutch Solenoid: Description and Operation
SYSTEM DESCRIPTION
The ECM controls torque converter clutch solenoid valve to cancel the lock-up condition of A/T. When the solenoid valve is turned on, lock-up is
cancelled. When the solenoid valve is turned off, A/T lock-up is operational.
Conditions for lock-up cancel:
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Throttle valve is fully closed (idling or deceleration)
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Engine coolant temperature is below 60°C (140°F)
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Vehicle speed is less than 64 km/h (40 MPH)
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During high-load operation