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Home >> Infiniti >> 2004 >> M45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> DTC P1147, P1167: Ho2S2 >> Diagnostic Procedure >> 2. Clear The Self-Learning Data >> With CONSULT-II

With CONSULT-II

  1. Start engine and warm it up to normal operating temperature.
  2. Select "SELF-LEARNING CONT" in "WORK SUPPORT" mode with CONSULT-II.
    Fig 1: Scan Tool Display - Work Support
    G00796345Courtesy of NISSAN MOTOR CO., U.S.A.
  3. Clear the self-learning control coefficient by touching "CLEAR".
  4. Run engine for at least 10 minutes at idle speed.

    Is the 1st trip DTC P0171 or P0174 detected? 

    Is it difficult to start engine? 

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