Diagnostic Procedure

1. Turn ignition switch OFF.
2. Loosen and retighten two ground screws. Refer to GROUND INSPECTION .
Fig 1: Identifying Engine Ground Wires
Courtesy of NISSAN MOTOR CO., U.S.A.

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

Refer to  2.

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

Refer to TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT .

1. : INSPECTION END