LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Nissan-Datsun >> 2004 >> Altima Base, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control System - 2.5L >> DTC P0139: Ho2S2 >> DTC Confirmation Procedure >> With Consult-II
April 5, 2026: LEMON Manuals is launched! Read the announcement.

With Consult-II

  1. Start engine and warm it up to normal operating temperature.
  2. Turn ignition switch OFF and wait at least 10 seconds.
  3. Start engine and keep the engine speed between 3, 500 and 4, 000 RPM for at lest 1 minute under no load.
  4. Let engine idle for 1 minute.
  5. Select "HO2S2 (B1) P0139" of "HO2S2" in "DTC WORK SUPPORT" mode with CONSULT-II and follow the instruction of CONSULT-II.
    Fig 1: Displaying DTC Work Support" Mode
    G02884326Courtesy of NISSAN MOTOR CO., U.S.A.
  6. Make sure that "OK" is displayed after touching "SELF-DIAG RESULTS".

    If "NG" is displayed, refer to "DIAGNOSTIC PROCEDURE ".

    If "CAN NOT BE DIAGNOSED" is displayed, perform the following.

    1. Turn ignition switch OFF and leave the vehicle in a cool place (soak the vehicle).
    2. Return to step  1.
scientia non olet · About LEMON Manuals