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Home >> Nissan-Datsun >> 2003 >> Sentra SE-R, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 403 (Engine Control System) >> DTC P0139, P0159: Ho2S2 >> Diagnostic Procedure >> 2. Clear The Self-Learning Data >> With CONSULT-II

With CONSULT-II

WARNING: This page is about a different car, the 2004 Infiniti M45. However, it is still accessible from the selected car via links, so may be relevant.
  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
    G00795892Courtesy 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, P0174 or P0172, P0175 detected? 

    Is it difficult to start engine? 

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