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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different car >> Section 412 (Engine Control System) >> DTC P1144, P1164: Ho2S1 >> DTC Confirmation Procedure >> With CONSULT-II
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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. Stop engine and wait at least 5 seconds.
  3. Turn ignition switch ON and select "HO2S1 (B1) P1144" or "HO2S1 (B2) P1164" of "HO2S1" in "DTC WORK SUPPORT" mode with CONSULT-II.
    Fig 1: Scan Tool Display - DTC Work Support
    G00796299Courtesy of NISSAN MOTOR CO., U.S.A.
  4. Touch "START".
  5. Start engine and 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 5.
  6. 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 more than 40 seconds.)
    Fig 2: Reference Data Chart
    G00796300Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 3: Scan Tool Display - Testing
    G00796301Courtesy of NISSAN MOTOR CO., U.S.A.

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

  7. 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
    G00796302Courtesy of NISSAN MOTOR CO., U.S.A.