Diagnostic Procedure

1. Turn ignition switch OFF.
2. Loosen and retighten three ground screws on the body.

   Refer to Ground Inspection .

   Fig 1: Turning Ignition Switch Off

   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 .

For Wiring Diagram, refer to Wiring Diagram .

• INSPECTION END