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Home >> Infiniti >> 2004 >> QX56 RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1207 (Automatic Transmission) >> DTC P1721: Vehicle Speed Sensor MTR >> 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.
    Fig 1: Consult II SELECT SYSTEM Screen
    G02382420Courtesy of NISSAN MOTOR CO., U.S.A.
  3. Start engine and maintain the following conditions for at least 5 consecutive seconds.

    ACCELE POS: 1/8 or less 

    VHCL SPEED SE: 30 km/h (17 MPH) or more 

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