Diagnostic Procedure

1. Turn ignition switch OFF.
2. Loosen and retighten four 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