Passport 4WD V6-3.2L SOHC (6VD1) (1994)
Torque Converter Clutch Solenoid: Description and Operation
Engine Coolant Temperature must be above 70°C (158°F). Moreover, Torque Converter Clutch (TCC) is "ON" in 2nd Gear during kick down operation
when Engine Coolant Temperature is above 70°C (158°F). Also, TCC is always "ON" in 2nd, 3rd & 4th Gear when Transmission oil temperature is
above 140°C (284°F).