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Home >> Infiniti >> 2004 >> QX56 RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1207 (Automatic Transmission) >> DTC P0720: Vehicle Speed Sensor A/T (Revolution Sensor) >> Diagnostic Trouble Codes Confirmation Procedure >> With Consult-II

With Consult-II

WARNING: This page is about a different car, the 2005 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn ignition switch "ON". (Do not start engine.)
  2. Select "DATA MONITOR" mode for "A/T" with CONSULT-II.
  3. Drive vehicle and 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.
    Fig 1: Consult II SELECT SYSTEM Screen
    G02382379Courtesy of NISSAN MOTOR CO., U.S.A.
  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 

    Driving location: Driving the vehicle uphill (increased engine load) will help maintain the driving conditions required for this test. 

    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 

    Driving location: Driving the vehicle uphill (increased engine load) will help maintain the driving conditions required for this test. 

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