DTC Confirmation Procedure

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)" in "DATA MONITOR" mode with CONSULT-II.
3. Check "A/F SEN1 (B1)" indication.

   If the indication is constantly approx. 4.5V, go to DIAGNOSTIC PROCEDURE .

   If the indication is not constantly approx. 4.5V, go to next step.

4. Select "A/F SEN1 (B1) P1278/P1279" of "A/F SEN1" in "DTC WORK SUPPORT" mode.
5. Touch "START".
   Fig 1: Displaying DATA MONITOR Mode

   Courtesy of NISSAN MOTOR CO., U.S.A.
6. When the following conditions are met, "TESTING" will be displayed on the CONSULT-II screen.
   Fig 2: Testing Conditions Reference Chart

   Courtesy of NISSAN MOTOR CO., U.S.A.
   Fig 3: Displaying A/F SEN1 (B1) P1278/P1279 Mode (1 Of 3)

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

   If "TESTING" is not displayed after 20 seconds, retry from step   2 . 

7. Following the instructions of CONSULT-II screen, set D position with "OD" OFF (A/T) or 3rd position (M/T) and release accelerator pedal fully.
   Fig 4: Displaying A/F SEN1 (B1) P1278/P1279 Mode (2 Of 3)

   Courtesy of NISSAN MOTOR CO., U.S.A.
8. Make sure that "TESTING" changes to "COMPLETED".

   If "TESTING" changed to "OUT OF CONDITION", retry from step 6. 

9. Touch "BACK" and "MODE", then select "SELF-DIAG RESULT" mode.

   If P1272 is displayed, go to DIAGNOSTIC PROCEDURE .

   If another DTC is displayed, go to the corresponding Diagnostic Procedure.

   Fig 5: Displaying A/F SEN1 (B1) P1278/P1279 Mode (3 Of 3)

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