Procedure For Malfunction B

With CONSULT-II 

1. Turn ignition switch ON.
2. Start engine and warm it up to normal operating temperature.

   If engine cannot be started, go to DIAGNOSTIC PROCEDURE .

3. Select "DATA MONITOR" mode with CONSULT-II.
4. Check the voltage of "MAS A/F SE-B1" with "DATA MONITOR".
5. Increases engine speed to about 4, 000 RPM.
6. 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 Graph

   Courtesy of NISSAN MOTOR CO., U.S.A.
7. Maintain the following conditions for at least 10 consecutive seconds.
   Fig 2: Engine Speed Specification Chart

   Courtesy of NISSAN MOTOR CO., U.S.A.
   Fig 3: CONSULT-II Display Data Monitor

   Courtesy of NISSAN MOTOR CO., U.S.A.
8. If DTC is detected, go to DIAGNOSTIC PROCEDURE .