3. Check Camshaft (INTAKE)

WARNING: This page is about a different car, the 2004 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

Check the following.

Accumulation of debris to the signal plate of camshaft rear end
Chipping signal plate of camshaft rear end

OK or NG

OK: GO TO 4.
NG: Remove debris and clean the signal plate of camshaft rear end or replace camshaft.

Fig 1: Check Camshaft (Intake)

Courtesy of NISSAN MOTOR CO., U.S.A.