2. Check MAF Sensor Power Supply Circuit

1. Disconnect mass air flow (MAF) sensor harness connector.
2. Turn ignition switch ON.
3. Check voltage between MAF sensor terminals 2, 4 and ground with CONSULT-II or tester.

Fig 1: Checking Voltage Between MAF Sensor Terminals 2, 4 & Ground (1 Of 2)

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

Fig 2: Checking Voltage Between MAF Sensor Terminals 2, 4 & Ground (2 Of 2)

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

OK or NG 

OK : GO TO 4.

NG : GO TO 3.