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.
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.

Fig 1: MAF Sensor Linear Voltage Rise Graph
Courtesy of NISSAN MOTOR CO., U.S.A.

If NG, go to DIAGNOSTIC PROCEDURE .

If OK, go to following step.

Maintain the following conditions for at least 10 consecutive seconds.

ENGINE SPEED SPECIFICATIONS

ENG SPEED	More than 2, 000 RPM
THRTL SEN 1	More than 3V
THRTL SEN 2	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.

Fig 2: CONSULT-II Display - DATA MONITOR

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