Diagnostic Procedure

Models with FDC system, navigation system or telephone 

1. Turn ignition switch OFF.
2. Loosen and retighten ground screws on the body. Refer to "GROUND INSPECTION ".
   Fig 1: Identifying Ground Screws On Body

   Courtesy of NISSAN MOTOR CO., U.S.A.

Models without FDC system, navigation system and telephone 

1. Turn ignition switch OFF.
2. Loosen and retighten ground screws on the body. Refer to "GROUND INSPECTION ".
   Fig 2: Identifying Ground Screws On Body

   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) (bank 1).

Refer to "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT ".

Refer to "WIRING DIAGRAM ".

: INSPECTION END