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 

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

Refer to Component Inspection .

OK or NG 

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

Refer to TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT .

Refer to Wiring Diagram - IATS .

1. INSPECTION END