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Home >> Nissan-Datsun >> 2002 >> Sentra SE-R, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 1034 (Engine Control System) >> DTC P0101: MAF Sensor >> DTC Confirmation Procedure >> Procedure For Malfunction B >> With CONSULT-II
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With CONSULT-II

WARNING: This page is about a different car, the 2004 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn ignition switch ON.
  2. Start engine and warm it up to normal operating temperature.

    If engine cannot be started, go to  DIAGNOSTIC PROCEDURE   . 

  3. Select "DATA MONITOR" mode with CONSULT-II.
  4. Check the voltage of "MAS A/F SE-B1" with "DATA MONITOR".
  5. Increases engine speed to about 4,000 RPM.
  6. Monitor the linear voltage rise in response to engine speed increases.

    If NG, go to DIAGNOSTIC PROCEDURE  .

    If OK, go to following step.

    Fig 1: Identifying Voltage Of "AS A/F SE-B1"
    G00775304Courtesy of NISSAN MOTOR CO., U.S.A.
  7. Maintain the following conditions for at least 10 consecutive seconds.
    Fig 2: Checking Reference Chart
    G00775305Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 3: Displaying Data Monitor
    G00775306Courtesy of NISSAN MOTOR CO., U.S.A.
  8. If DTC is detected, go to DIAGNOSTIC PROCEDURE  .
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