With CONSULT-II

Turn ignition switch ON.
Start engine and warm it up to normal operating temperature. If engine cannot be started, go to "DIAGNOSTIC PROCEDURE ".
Select "DATA MONITOR" mode with CONSULT-II.

Fig 1: MAS A/F Malfunction Graph
Courtesy of NISSAN MOTOR CO., U.S.A.
Check the voltage of "MAS A/F SE-B1" with "DATA MONITOR".
Increases engine speed to about 4,000 RPM.
Monitor the linear voltage rise in response to engine speed increases.
If NG, go to "DIAGNOSTIC PROCEDURE ".

If OK, go to following step.
Maintain the following conditions for at least 10 consecutive seconds.

Fig 2: ENG Speed Chart
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 3: Scan Tool Display - Data Monitor
Courtesy of NISSAN MOTOR CO., U.S.A.
If DTC is detected, go to "DIAGNOSTIC PROCEDURE ".