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.
If NG, go to "DIAGNOSTIC PROCEDURE ".

If OK, go to following step.

Fig 1: Voltage Of "MAS A/F SE-B1 Chart
Courtesy of NISSAN MOTOR CO., U.S.A.

Maintain the following conditions for at least 10 consecutive seconds.

TESTING CONDITION DESCRIPTION

ENG SPEED	More than 2, 000 RPM
THRTLSEN 1	More than 3V
THRTLSEN2	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 DTC is detected, go to "DIAGNOSTIC PROCEDURE ".

Fig 2: Displaying Data Monitor
Courtesy of NISSAN MOTOR CO., U.S.A.