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Home >> Infiniti >> 2003 >> Q45 >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle >> DTC P0720: Vehicle Speed Sensor A/T (Revolution Sensor) >> DTC Confirmation Procedure >> With Consult-II

With Consult-II

  1. Turn ignition switch to "ON" position. (Do not start engine.)
  2. Select "DATA MONITOR" mode for "A/T" with CONSULT-II.
  3. Check for an increase of "VHCL/S SE.A/T" value in response to "VHCL/S SE.MTR" value.

    If the check result is NG, go to "DIAGNOSTIC PROCEDURE "

    If the check result is OK, go to following step.

  4. Select "DATA MONITOR" mode for "ENGINE" with CONSULT-II.
  5. Start engine and maintain the following conditions for at least 5 consecutive seconds.

    VHCL SPEED SE: 30 km/h (19 MPH) or more 

    THRTL POS SEN: More than 1.0/8 

    Selector lever: "D" position 

    If the check result is NG, go to "DIAGNOSTIC PROCEDURE "

    If the check result is OK, go to following step.

  6. Maintain the following conditions for at least 5 consecutive seconds.

    ENGINE SPEED: 3,500 rpm or more 

    THRTL POS SEN: More than 1.0/8 

    Selector lever: "D" position 

    If the check result is NG, go to "DIAGNOSTIC PROCEDURE ".

    Fig 1: DATA MONITOR Mode Display For A/T With CONSULT-II (DTC P0720)
    G02040468Courtesy of NISSAN MOTOR CO., U.S.A.