With CONSULT-II

WARNING: This page is about a different car, the 2006 Nissan Xterra. However, it is still accessible from the selected car via links, so may be relevant.

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.
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.

Fig 1: Mass Air Flow Sensor Voltage Graph
Courtesy of NISSAN MOTOR CO., U.S.A.

Maintain the following conditions for at least 10 consecutive seconds.

ENGINE SPEED AND THROTTLE SENSOR VOLTAGE SPECIFICATIONS

ENG SPEED	More than 2, 000 RPM
THRTL SEN1	More than 3V
THRTL SEN2	More than 3V
Selector lever	Suitable position
Driving location	Driving vehicle uphill (Increased engine load) will help maintain the driving conditions required for this test.

If 1st trip DTC is detected, go to "DIAGNOSTIC PROCEDURE "

Fig 2: CONSULT-II Display - Data Monitor Screen
Courtesy of NISSAN MOTOR CO., U.S.A.