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Home >> Infiniti >> 2007 >> M35 Base >> Repair and Diagnosis >> Transmission >> Automatic Transmission >> DTC P0720 Vehicle Speed Sensor A/T (Revolution Sensor) >> DTC Confirmation Procedure >> With Consult-II
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With Consult-II

  1. Turn ignition switch ON.
  2. Select "ECU INPUT SIGNALS" in "DATA MONITOR" mode for "A/T" with CONSULT-II and check monitor "VHCL/S SE-A/T", "ENGINE SPEED", "ACCELE POSI" and "SLCT LVR POSI".
  3. Touch "START".
  4. 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.

    Fig 1: CONSULT-II Function Screen Display - Select System
    G04899603
  5. Select "SELECTION FROM MENU" in "DATA MONITOR" mode for "A/T" with CONSULT-II.
  6. Start engine and maintain the following conditions for at least 5 consecutive seconds.

    VHCL/S SE-A/T: 30 km/h (19 MPH) or more 

    ACCELE POSI: More than 1.0/8 

    SLCT LVR POSI: "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.

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

    ENGINE SPEED: 3,500 rpm or more 

    ACCELE POSI: More than 1.0/8 

    SLCT LVR POSI: "D" position 

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

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