Camshaft Sprocket RUNOUT

WARNING: This page is about a different car, the 2003 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.

Put V block on precise flat bed, and support No. 2 and No. 4 journal of camshaft.
Install sprocket on camshaft.
Turn camshaft to one direction with hands, and measure camshaft sprocket runout on dial gauge.
Runout (Total indicator reading):

Less than 0.15 mm (0.0059 in)
If it exceeds the limit, replace camshaft sprocket.

Fig 1: Measuring Camshaft Sprocket Runout
Courtesy of NISSAN MOTOR CO., U.S.A.