WARNING: This page is about a different car, the 2013 Infiniti M37. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Engine Control System Component Parts Location (1 Of 4)
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Fig 2: Engine Control System Component Parts Location (2 Of 4)
Courtesy of NISSAN NORTH AMERICA, INC.
Fig 3: Engine Control System Component Parts Location (3 Of 4)
Courtesy of NISSAN NORTH AMERICA, INC.
Fig 4: Engine Control System Component Parts Location (4 Of 4)