Crankshaft Pin Journal Diameter

WARNING: This page is about a different car, the 2012 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.

Measure the outer diameter of crankshaft pin journal with micrometer.
Standard: 53.956 - 53.974 mm (2.1242 - 2.1250 in) dia .

Fig 1: Measuring Outer Diameter Of Crankshaft Pin Journal Using Micrometer
Courtesy of NISSAN NORTH AMERICA, INC.
If out of the standard, measure the connecting rod bearing oil clearance. Then use undersize bearing.