Diagnosis Procedure

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

   Refer to "GROUND INSPECTION ".

   Fig 1: Identifying Ground Connections Components

   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