4. Check MAF Sensor Power Supply Circuit

1. Disconnect mass air flow (MAF) sensor harness connector.
2. Turn ignition switch ON.
   Fig 1: Locating MAF/IAT Sensor

   Courtesy of NISSAN MOTOR CO., U.S.A.
3. Check voltage between MAF sensor terminal 5 and ground with CONSULT-II or tester.
   1. Voltage: Battery voltage 

OK or NG 

1. OK: GO TO 6 .
2. NG: GO TO 5.

Fig 2: Check MAF Sensor Power Supply Circuit

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