Note: Below is a description of ATF replacement. Manual transmission oil replacement is similar.
1. Warm up the ATF fluid and turn off the engine.
2. Unscrew the drain plug and drain the ATF into a previously prepared container. Check the condition of the ATF.
3. Tighten the drain plug with a new sealing washer to the required torque.
4. Fill the AT with fluid in accordance with the requirements Specifications.
[Material borrowed from the website: www.NissanBook.ru]
5. Let the engine idle for about 5 minutes and check the ATF level and condition (see section Checking fluid levels, leak monitoring).