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.
   Fig 1: Displaying CONSULT-II DATA MONITOR MAS A/F SE B1 Screen

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

7. Maintain the following conditions for at least 10 consecutive seconds.
   Fig 2: Identifying Conditions Specifications

   Courtesy of NISSAN MOTOR CO., U.S.A.
   Fig 3: Displaying CONSULT-II DATA MONITOR Screen

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