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2000-2004 Nissan Xterra Idle Air Volume Adjustment Procedure
Idle Air Volume Learning is an operation to learn the idle air volume that keeps each engine within the specific range. It must be performed under any of the following conditions:
Before performing Idle Air Volume Adjustment, make sure that all of the following conditions are satisfied. Learning will be cancelled if any of the following conditions are missed for even a moment.
4 Engine Cyl Idle speed = 750 ± 50 rpm (in P or N position)
6 Engine Cyl Idle speed = 700 ± 50 rpm (in P or N position)