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Home >> Infiniti >> 2004 >> Q45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> DTC P0133, P0153: Ho2S1 >> DTC Confirmation Procedure >> With CONSULT-II
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With CONSULT-II

  1. Start engine and warm it up to normal operating temperature.
  2. Stop engine and wait at least 10 seconds.
  3. Turn ignition switch ON and select "HO2S1 (B1) P0133" or "HO2S1 (B2) P0153" of "HO2S1" in "DTC WORK SUPPORT" mode with CONSULT-II.
  4. Touch "START".
  5. Start engine and let it idle for at least 3 minutes.
    NOTE: Never raise engine speed above 3,000 RPM after this step. If the engine speed limit is exceeded, return to step 5.
  6. When the following conditions are met, "TESTING" will be displayed on the CONSULT-II screen. Maintain the conditions continuously until "TESTING" changes to "COMPLETED". (It will take approximately 40 to 50 seconds.)
    Fig 1: Testing Conditions
    G00760712Courtesy of NISSAN MOTOR CO., U.S.A.

    If "TESTING" is not displayed after 5 minutes, retry from step 2. 

  7. Make sure that "OK" is displayed after touching "SELF-DIAG RESULTS". If "NG" is displayed, refer to DIAGNOSTIC PROCEDURE  .