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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different car >> Section 360 (Engine Control System) >> Trouble Diagnosis >> DTC P1276, P1286: A/F Sensor 1 >> DTC Confirmation Procedure >> Testing Condition

Testing Condition

WARNING: This page is about a different car, the 2004 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.

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. 1.5V and does not fluctuates, go to DIAGNOSTIC PROCEDURE  .

    If the indication fluctuates around 1.5V, go to next step.

  4. Select "A/F SEN1 (B1) P1276" or "A/F SEN1 (B2) P1286" of "A/F SEN1" in "DTC WORK SUPPORT" mode with CONSULT-II.
  5. Touch "START".
  6. When the following conditions are met, "TESTING" will be displayed on the CONSULT-II screen.
    Fig 1: Check Conditions
    G00343301Courtesy of NISSAN MOTOR CO., U.S.A.

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

    Fig 2: CONSULT-II Display
    G00343302Courtesy of NISSAN MOTOR CO., U.S.A.
  7. Release accelerator pedal fully.
    NOTE: Never apply brake during releasing the accelerator pedal.
    Fig 3: CONSULT-II Display
    G00343303Courtesy 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. Make sure that "OK" is displayed after touching "SELF-DIAG RESULT".

    If "NG" is displayed, go to DIAGNOSTIC PROCEDURE  .

    Fig 4: CONSULT-II Display
    G00343304Courtesy of NISSAN MOTOR CO., U.S.A.
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