Method A

WARNING: This page is about a different car, the 2007 Infiniti FX45. 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: Attaching Timing Light A To Loop Wire
Courtesy of NISSAN NORTH AMERICA, INC.
Check ignition timing.

Fig 2: Checking Ignition Timing
Courtesy of NISSAN NORTH AMERICA, INC.