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Home >> Nissan-Datsun >> 2016 >> Sentra SR >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (1 Of 3) >> DTC/Circuit Diagnosis >> DTC P0130: A/F Sensor 1 >> DTC Logic >> DTC Confirmation Procedure

DTC Confirmation Procedure

  1. PRECONDITIONING

    If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.

    1. Turn ignition switch OFF and wait at least 10 seconds.
    2. Turn ignition switch ON.
    3. Turn ignition switch OFF and wait at least 10 seconds.

    TESTING CONDITION: 

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

    GO TO STEP 2  .

  2. PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION A

    G-20 With CONSULT

    1. Start engine and warm it up to normal operating temperature.
    2. Let it idle for 2 minutes.
    3. Check 1st trip DTC.

    Is 1st trip DTC detected?

    YES 

    Proceed to DIAGNOSIS PROCEDURE .

    NO-1 ( G-20 With CONSULT)

    GO TO STEP 3  .

    NO-2 ( G-21 Without CONSULT)

    GO TO STEP   7  .

  3. CHECK AIR FUEL RATIO (A/F) SENSOR 1 FUNCTION

    1. Select "A/F SEN1 (B1)" in "DATA MONITOR" mode of "ENGINE" using CONSULT.
    2. Check "A/F SEN1 (B1)" indication.

    Does the indication fluctuates around 2.2 V?

    YES 

    GO TO STEP 4  .

    NO 

    Proceed to DIAGNOSIS PROCEDURE .

  4. PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION B-1

    1. Select "A/F SEN1 (B1) P1276" of "A/F SEN1" in "DTC WORK SUPPORT" mode of "ENGINE" using CONSULT.
    2. Touch "START".
    3. When the following conditions are met, "TESTING" will be displayed on the CONSULT screen.
      ENG SPEED 1, 000 - 3, 200 RPM
      VHCL SPEED SE More than 64 km/h (40 mph)
      B/FUEL SCHDL 1.0 - 8.0 msec
      Selector lever D position (CVT)
      5th position (6MT)

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

      CAUTION:

      Always drive vehicle at a safe speed.

    Is "TESTING" displayed on CONSULT screen?

    YES 

    GO TO STEP 5  .

    NO 

    1. Check A/F sensor 1 function again.
    2. GO TO STEP 3  .
  5. PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION B-2

    Release accelerator pedal fully.

    NOTE:

    Never apply brake during releasing the accelerator pedal.

    Which does "TESTING" change to?

    COMPLETED 

    GO TO STEP 6  .

    OUT OF CONDITION 

    1. Retry DTC CONFIRMATION PROCEDURE.
    2. GO TO STEP 4  .
  6. PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION B-3

    Touch "SELF-DIAG RESULT"

    Which is displayed on CONSULT screen?

    YES 

    INSPECTION END

    NO 

    Proceed to DIAGNOSIS PROCEDURE .

  7. PERFORM COMPONENT FUNCTION CHECK FOR MALFUNCTION B

    Perform Component Function Check. Refer to COMPONENT FUNCTION CHECK .

    NOTE:

    Use component function check to check the overall function of the A/F sensor 1 circuit. During this check, a 1st trip DTC might not be confirmed.

    Is the inspection result normal?

    YES 

    INSPECTION END

    NO 

    Proceed to DIAGNOSIS PROCEDURE .