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Home >> Infiniti >> 2009 >> M45 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 122 (Automatic Transmission) >> A/T Control System >> Lock up Control >> Smooth Lock Up Control >> Notes
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Smooth Lock Up Control: Notes

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.

When shifting from the lock up released state to the lock up applied state, the current output to the torque converter clutch solenoid is controlled with the TCM. In this way, when shifting to the lock up applied state, the torque converter clutch is temporarily set to the half-clutched state to reduce the shock.