FixVault

Procedure For Malfunction B

CAUTION: Always drive vehicle at a safe speed.

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. 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: Mass A/F Sensor Voltage Graph
    G02431644Courtesy of NISSAN MOTOR CO., U.S.A.
  7. Maintain the following conditions in DTC P0101 CONFIRMATION PROCEDURE (MALFUNCTION B) CONDITIONS  for at least 10 consecutive seconds.
    DTC P0101 CONFIRMATION PROCEDURE (MALFUNCTION B) CONDITIONS

    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.
    Fig 2: CONSULT-II Display - Data Monitor Mode
    G02431645Courtesy of NISSAN MOTOR CO., U.S.A.
  8. If 1st trip DTC is detected, go to DIAGNOSTIC PROCEDURE .