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Home >> Nissan-Datsun >> 2006 >> Sentra SE-R >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS U1000 To P0133 (Qr25DE) >> DTC P0101 MAF Sensor >> DTC Confirmation Procedure >> Procedure For Malfunction B >> With CONSULT-II
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With CONSULT-II

  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. Fig 1: MAS A/F SE-B1 Voltage Graph
    G04191709Courtesy of NISSAN MOTOR CO., U.S.A.
  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.

    7. Fig 2: CONSULT-II Screen Display - DATA MONITOR
    G04191710Courtesy of NISSAN MOTOR CO., U.S.A.
  7. Maintain the following conditions for at least 10 consecutive seconds.
    CONDITIONS REFERENCE

    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.
  8. If 1st trip DTC is detected, go to "DIAGNOSTIC PROCEDURE "
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