Method B

WARNING: This page is about a different car, the 2005 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.

Remove ignition coil No. 1.

Fig 1: Removing Ignition Coil No. 1
Courtesy of NISSAN MOTOR CO., U.S.A.
Connect ignition coil No. 1 and spark plug with suitable high-tension wire as shown, and attach timing light clamp to this wire.

Fig 2: Connecting Ignition Coil No. 1 And Spark Plug With Suitable High-Tension Wire
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 3: Attaching Timing Light Clamp To This Wire
Courtesy of NISSAN MOTOR CO., U.S.A.
Check ignition timing.

Fig 4: Checking Ignition Timing
Courtesy of NISSAN MOTOR CO., U.S.A.