Testing Condition:

Before performing the following procedure, confirm that battery voltage is more than 11V at idle. 

With CONSULT-II 

1. Start engine and warm it up to normal operating temperature.
2. Select "A/F SEN1 (B1)" or "A/F SEN1 (B2)" in "DATA MONITOR" mode with CONSULT-II.
3. Check "A/F SEN1 (B1)" or "A/F SEN1 (B2)" indication.

   If the indication is constantly approx. 5V, go to "DIAGNOSTIC PROCEDURE ".

   If the indication is not constantly approx. 5V, go to next step.

   Fig 1: Displaying "DATA MONITOR" Mode With CONSULT-II

   Courtesy of NISSAN MOTOR CO., U.S.A.
4. Turn ignition switch OFF, wait at least 10 seconds and then restart engine.
5. Drive and accelerate vehicle to more than 40 km/h (25 MPH) within 20 seconds after restarting engine.
6. Maintain the following conditions for about 20 consecutive seconds.
   Fig 2: Engine Speed Specification Table

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

   • Keep the accelerator pedal as steady as possible during the cruising.
   • If this procedure is not completed within 1 minute after restarting engine at step 4, return to  step 4.
7. If 1st trip DTC is displayed, go to "DIAGNOSTIC PROCEDURE ".

With GST 

Follow the procedure "WITH CONSULT-II" above.