WARNING: This page is about a different car, the 2013 Nissan Xterra. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Engine Control System Wiring Diagram (1 Of 5)
Courtesy of NISSAN NORTH AMERICA, INC.
Fig 2: Engine Control System Wiring Diagram (2 Of 5)
Courtesy of NISSAN NORTH AMERICA, INC.
Fig 3: Engine Control System Wiring Diagram (3 Of 5)
Courtesy of NISSAN NORTH AMERICA, INC.
Fig 4: Engine Control System Wiring Diagram (4 Of 5)
Courtesy of NISSAN NORTH AMERICA, INC.
Fig 5: Engine Control System Wiring Diagram (5 Of 5)