Lock up Released
WARNING: This page is about a different car, the 2008 Infiniti M45 and 2008 Infiniti M35. However, it is still accessible from the selected car via links, so may be relevant.
In the lock up released state, the torque converter clutch control valve is set into the unlocked state by the torque converter clutch solenoid and the lock up apply pressure is drained.
In this way, the torque converter clutch piston is not coupled.