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Home >> Infiniti >> 2008 >> QX56 AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - DTCS U1000 To P0308 >> DTC P0130, P0150: A/F Sensor 1 >> DTC Confirmation Procedure >> Procedure For Malfunction B >> With CONSULT-III

With CONSULT-III

  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-III.
  3. Check "A/F SEN1 (B1)" or "A/F SEN1 (B2)" indication.

    If the indication is constantly approx. 2.2V and does not fluctuates, go to "DIAGNOSIS PROCEDURE ".

    If the indication fluctuates around 2.2V, go to next step.

  4. Select "A/F SEN1 (B1) P1276" (for DTC P0130) or "A/F SEN1 (B2) P1286" (for DTC P0150) of "A/F SEN1" in "DTC WORK SUPPORT" mode with CONSULT-III.
  5. Touch "START".
  6. When the following conditions are met, "TESTING" will be displayed on the CONSULT-III screen.
    ENG SPEED SPECIFICATION

    ENG SPEED 850 - 3, 200 RPM
    VHCL SPEED SE More than 64 km/h (40 MPH)
    B/FUEL SCHDL 1.0 - 8.0 msec
    Shift lever D position

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

  7. Release accelerator pedal fully.
    NOTE: Never apply brake during releasing the accelerator pedal.
  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 "DIAGNOSIS PROCEDURE ".

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