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. 0V, go to DIAGNOSTIC PROCEDURE .

   If the indication is not constantly approx. 0V, 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: 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.
   Fig 5: Displaying A/F SEN1 (B1) P1278/P1279 Mode (3 Of 3)

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

   If P1271 is displayed, go to DIAGNOSTIC PROCEDURE .

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