Diagnosis Procedure

1. Turn ignition switch OFF.
2. Loosen and retighten ground screws on the body.

Refer to "GROUND INSPECTION ".

Fig 1: Identifying Body Ground (M70 And M16)

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 "DIAGNOSIS PROCEDURE ".

Refer to "WIRING DIAGRAM ".

INSPECTION END