Diagnostic Procedure

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

CHECK CRANKSHAFT POSITION SENSOR (POS)
Refer to "COMPONENT INSPECTION ".

OK or NG
1. OK: GO TO 2.
2. NG: Replace crankshaft position sensor (POS).
CHECK CAMSHAFT POSITION SENSOR (PHASE)
Refer to "COMPONENT INSPECTION ".

OK or NG
1. OK: GO TO 3.
2. NG: Replace camshaft position sensor (PHASE).
CHECK CAMSHAFT (INTAKE)
Check the following.
- Accumulation of debris to the signal plate of camshaft rear end
- Chipping signal plate of camshaft rear end
OK or NG
1. OK: GO TO 4.
2. NG: Remove debris and clean the signal plate of camshaft rear end or replace camshaft.
  
  Fig 1: Checking Camshaft (Intake)
  Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK INTERMITTENT INCIDENT
Refer to "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT ".

For wiring diagram refer to "WIRING DIAGRAM " for CKP sensor (POS) and "WIRING DIAGRAM " for CMP sensor (PHASE).
1. INSPECTION END