WARNING: This page is about a different car, the 2004 Infiniti FX35. However, it is still accessible from the selected car via links, so may be relevant.
Remove No. 1 ignition coil.
Fig 1: Locating No. 1 Ignition Coil
Courtesy of NISSAN MOTOR CO., U.S.A.
Connect No. 1 ignition coil and No. 1 spark plug with suitable high-tension wire as shown in Fig 2, and attach timing light clamp to this wire.