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Home >> Infiniti >> 2004 >> M45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> DTC P0134, P0154: 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. Select "HO2S1 (B1) P0134" or "HO2S1 (B2) P0154" of "HO2S1" in "DTC WORK SUPPORT" mode with CONSULT-II.
  3. Touch "START".
  4. 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 4.
    Fig 1: Scan Tool Display - Work Support
    G00795847Courtesy of NISSAN MOTOR CO., U.S.A.
  5. 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 10 to 60 seconds.)
    Fig 2: Inspecting Conditions Chart
    G00795848Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 3: Scan tool Display - Testing
    G00795849Courtesy of NISSAN MOTOR CO., U.S.A.

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

  6. Make sure that "OK" is displayed after touching "SELF-DIAG RESULTS". If "NG" is displayed, refer to DIAGNOSTIC PROCEDURE .
Fig 4: Scan Tool Display - Self-Diag Results
G00795850Courtesy of NISSAN MOTOR CO., U.S.A.