WARNING: This page is about a different car, the 2012 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Back Door No. 2 And Back Door Harness Ground Distribution (1 Of 2)
Courtesy of NISSAN NORTH AMERICA, INC.
Fig 2: Identifying Back Door No. 2 And Back Door Harness Ground Distribution (2 Of 2)