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Home >> Nissan-Datsun >> 2007 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different car >> Section 84 (Automatic Transmission - Introduction (Re4F04B)) >> Re4F04B >> Overall System >> Control Mechanism >> Lock-Up Control >> Conditions for Lock-up Operation
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Conditions for Lock-up Operation

WARNING: This page is about a different car, the 2006 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.

When vehicle is driven in 3rd and 4th gear position, vehicle speed and throttle opening are detected. If the detected values fall within the lock-up zone memorized in the TCM, lock-up occurs.

LOCK UP OPERATION CONDITIONS

Overdrive control switch ON OFF
Selector lever D position
Gear position D4 D3
Vehicle speed sensor More than set value
ECM (throttle opening) Less than set opening
A/T fluid temperature sensor More than 40°C (104°F)