Method B

Remove No. 4 ignition coil.

Fig 1: Identifying No 4 Ignition Coil
Courtesy of NISSAN MOTOR CO., U.S.A.
Connect No. 4 ignition coil and No. 4 spark plug with suitable high-tension wire as shown, and attach timing light clamp to this wire.

Fig 2: Attach Timing Light Clamp To No. 4 Ignition Coil Wire
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 3: Attach Timing Light Clamp To Wire
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Check ignition timing.

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