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