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Home >> Nissan-Datsun >> 2003 >> Sentra SE-R, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 524 (Engine Control System - Sedan) >> DTC P0101: MAF Sensor >> DTC Confirmation Procedure >> Procedure For Malfunction B >> With CONSULT-II

With CONSULT-II

WARNING: This page is about a different car, the 2005 Infiniti G35. 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: Checking Voltage Of "MAS A/F SE-B1" With "DATA MONITOR"
    G02348346Courtesy of NISSAN MOTOR CO., U.S.A.
  7. Maintain the following conditions for at least 10 consecutive seconds.
    ENGINE THROTTLE SENSORS SPECIFICATION

    ENG SPEED More than 2,000 RPM
    THRTL SEN 1 More than 3V
    THRTL SEN 2 More than 3V
    Shift lever Suitable position
    Driving location Driving vehicle uphill (Increased engine load) will help maintain the driving conditions required for this test.
    Fig 2: Detecting DTC Trouble Coding
    G02348347Courtesy of NISSAN MOTOR CO., U.S.A.
  8. If 1st trip DTC is detected, go to "Diagnostic Procedure "
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