Vehicle Will Not Move In "R" Position; Okay In "D", "2" & "1" Positions
WARNING: This page is about a different car, the 2002 Infiniti QX4, 2001 Nissan Pathfinder, and 2001 Infiniti QX4. However, it is still accessible from the selected car via links, so may be relevant.
Possible cause: incorrect control linkage adjustment or line pressure. Damaged valve body assembly, line pressure solenoid valve, reverse clutch, high clutch, forward clutch, overrun clutch, or low and reverse brake.