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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Qr25DE >> DTC P0134: Ho2S1 >> Diagnostic Trouble Code (DTC) Confirmation Procedure >> Testing Condition: >> With Consult-II
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With Consult-II

  1. Start engine and warm it up to normal operating temperature.
  2. Select "HO2S1 (B1) P0134" of "HO2S1" in "DTC WORK SUPPORT" mode with CONSULT-II.
  3. Touch "START".
  4. Let it idle for at least 3 minutes.
    Fig 1: Identifying HO2S1 (B1) P0134 Display Of Consult-II
    G00777040Courtesy of NISSAN MOTOR CO., U.S.A.
    NOTE: Never raise engine speed above 3, 600 RPM after this step. If the engine speed limit is exceeded, return to step 4. 
  5. 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 10 to 60 seconds.)
    Fig 2: Identifying TESTING Display Of Consult-II
    G00777042Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 3: Engine Speed, Vehicle Speed, B/FUEL SCHDL & Selector Lever Specifications
    G00777041Courtesy of NISSAN MOTOR CO., U.S.A.

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

  6. Make sure that "OK" is displayed after touching "SELF-DIAG RESULTS". If "NG" is displayed, refer to "DIAGNOSTIC PROCEDURE ".
    Fig 4: Identifying COMPLETED Display Of Consult-II
    G00777043Courtesy of NISSAN MOTOR CO., U.S.A.