Method A

WARNING: This page is about a different car, the 2007 Infiniti M45. However, it is still accessible from the selected car via links, so may be relevant.

Attach timing light A to loop wire (1) as shown.

Fig 1: Identifying Timing Light And Loop Wire
Courtesy of NISSAN NORTH AMERICA, INC.
Check ignition timing.
- Timing indicator (1)
  
  Fig 2: Identifying Timing Indicator
  Courtesy of NISSAN NORTH AMERICA, INC.