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Home >> Infiniti >> 2007 >> QX56 AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS U1000 To P0153 >> DTC P0133, P0153 A/F Sensor 1 >> DTC Confirmation Procedure >> With Consult-II

With Consult-II

  1. Start engine and warm it up to normal operating temperature.
  2. Turn ignition switch OFF and wait at least 10 seconds.
  3. Start engine and keep the engine speed between 3, 500 and 4, 000 rpm for at least 1 minute under no load.
  4. Let engine idle for 1 minute.
  5. Select "A/F SEN1(B1) P1278/P1279" (for DTC P0133) or "A/F SEN1(B1) P1288/P1289" (for DTC P0153) of "A/F SEN1" in "DTC WORK SUPPORT" mode with CONSULT-II.
  6. Touch "START".

    If "COMPLETED" appears on CONSULT-II screen, go to step  10.

    If "COMPLETED" does not appear on CONSULT-II screen, go to the following step.

    Fig 1: "OUT OF CONDITION" CONSULT-II Display
    G04900278Courtesy of NISSAN NORTH AMERICA, INC.
  7. After perform the following procedure, "TESTING" will be displayed on the CONSULT-II screen.
    1. Increase the engine speed up to 4, 000 to 5, 000 rpm and keep it for 10 seconds.
    2. Fully release accelerator pedal and then let engine idle for about 10 seconds.

      If "TESTING" is not displayed after 10 seconds, refer to  "TROUBLE DIAGNOSIS - SPECIFICATION VALUE ".

  8. Wait for about 20 seconds at idle at under the condition that "TESTING" is displayed on the CONSULT-II screen.
    Fig 2: CONSULT-II Display - TESTING
    G04900279Courtesy of NISSAN NORTH AMERICA, INC.
  9. Make sure that "TESTING" changes to "COMPLETED".

    If "TESTING" changed to "OUT OF CONDITION", refer to  "TROUBLE DIAGNOSIS - SPECIFICATION VALUE ".

  10. Make sure that "OK" is displayed after touching "SELF-DIAG RESULT".

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

    Fig 3: CONSULT-II Display - COMPLETED
    G04900280Courtesy of NISSAN NORTH AMERICA, INC.
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