Procedure For Malfunction B

CAUTION: Always drive vehicle at a safe speed.

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 AIR/FL SE with "DATA MONITOR".
Increases engine speed to about 4, 00 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 Graph
Courtesy of NISSAN MOTOR CO., U.S.A.
Maintain the following conditions for at least 10 consecutive seconds.

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

Fig 3: Displaying DATA MONITOR Mode
Courtesy of NISSAN MOTOR CO., U.S.A.
If 1st trip DTC is detected, go to Diagnostic Procedure