2. Check MAF Sensor Power Supply Circuit

Disconnect MAF sensor harness connector.
Turn ignition switch ON.

Fig 1: Identifying MAF Sensor
Courtesy of NISSAN MOTOR CO., U.S.A.
Check voltage between MAF sensor terminals 2, 4 and ground with CONSULT-II or tester.

Fig 2: Checking Voltage Between MAF Sensor Terminals & Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 3: Inspecting Condition Chart
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
1. OK: GO TO 4. CHECK MAF SENSOR GROUND CIRCUIT FOR OPEN AND SHORT .
2. NG: GO TO 3.