WARNING: This page is about a different car, the 2013 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.
Measure diameter of piston pin using suitable tool.
Standard: 21.989 - 21.995 mm (0.8657 - 0.8659 in)
Fig 1: Measuring Piston Pin Diameter Using Micrometer