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Home >> Nissan-Datsun >> 2003 >> Sentra SE-R, Automatic >> Repair and Diagnosis (Single Page) >> External Pages >> Different car >> Section 414 (Engine Control System - DTC) >> DTC P0139, P0159: Ho2S2 >> Diagnostic Procedure >> 2. Clear The Self-Learning Data >> With CONSULT-II
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With CONSULT-II

WARNING: This page is about a different car, the 2004 Nissan Maxima. 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.
  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, P0172, P0174 or P0175 detected? Is it difficult to start engine? 

Fig 1: CONSULT-II Display Screen
G00877179Courtesy of NISSAN MOTOR CO., U.S.A.
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