4. Check MAF Sensor Power Supply Circuit

WARNING: This page is about a different car, the 2004 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect mass air flow (MAF) sensor harness connector.
Turn ignition switch ON.

Fig 1: Locating MAF/IAT Sensor
Courtesy of NISSAN MOTOR CO., U.S.A.
Check voltage between MAF sensor terminal 2 and ground with CONSULT-II or tester.

Fig 2: Checking MAF Sensor Power Supply Circuit
Courtesy of NISSAN MOTOR CO., U.S.A.
1. Voltage: Battery voltage

OK or NG

OK: GO TO 6 .

NG: GO TO 5.