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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different car >> Section 2302 (Engine Control System - DTCS U1000 To P0308) >> 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 Nissan Titan. 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: Monitoring Linear Voltage Rise In Response To Engine Speed Increases
    G03601475Courtesy of NISSAN MOTOR CO., U.S.A.
  7. Maintain the following conditions for at least 10 consecutive seconds.
    CONDITION AND SPECIFICATIONS CHART

    ENG SPEED More than 2, 000 RPM
    THRTL SEN 1 More than 3V
    THRTL SEN 2 More than 3V
    Selector 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 ".
    Fig 2: CONSULT-II Data Monitor Screen
    G03601476Courtesy of NISSAN MOTOR CO., U.S.A.
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