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Home >> Nissan-Datsun >> 2005 >> Sentra SE-R >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS U1000 To P0335 (Qr25DE) >> DTC P0134: Ho2S1 >> Diagnostic Trouble Codes Confirmation Procedure

Diagnostic Trouble Codes Confirmation Procedure

CAUTION: Always drive vehicle at a safe speed.
NOTE: If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.

TESTING CONDITION: 

Before performing the following procedure, confirm that battery voltage is more than 11V at idle. 

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.
    Fig 1: HO2S1 (B1) P0134 - CONSULT-II Screen Display
    G02450974Courtesy of NISSAN MOTOR CO., U.S.A.
  3. Touch "START".
  4. Let it idle for at least 3 minutes.
    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.)
    DTC P0134 CONFIRMATION PROCEDURE CONDITIONS

    ENG SPEED 1, 200 - 3, 200 rpm
    Vehicle speed More than 64 km/h (40 MPH)
    B/FUEL SCHDL 1.9 - 13.0 msec
    Shift lever Suitable position

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

    Fig 2: HO2S1 (B1) P0134 - CONSULT-II Screen Display
    G02450975Courtesy 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 ".
    Fig 3: HO2S1 (B1) P0134 - CONSULT-II Screen Display
    G02450976Courtesy of NISSAN MOTOR CO., U.S.A.