Diagnostic Procedure

1. Turn ignition switch OFF.
2. Loosen and retighten two ground screws on the body. Refer to GROUND INSPECTION .

Fig 1: Checking Ground Connections

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

OK or NG 

• OK: GO TO  2.
• NG: Repair or replace ground connections.

Refer to COMPONENT INSPECTION .

OK or NG 

• OK: GO TO  3.
• NG: Replace mass air flow sensor (with intake air temperature sensor).

Refer to TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT .

Refer to WIRING DIAGRAM .

• INSPECTION END