Diagnostic Procedure

Refer to COMPONENT INSPECTION .

OK or NG 

1. OK: GO TO 2.
2. NG: Replace crankshaft position sensor (POS).

Refer to COMPONENT INSPECTION .

OK or NG 

1. OK: GO TO 3.
2. NG: Replace camshaft position sensor (PHASE).

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: Identifying Camshaft (Intake)

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

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