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Home >> Infiniti >> 2004 >> QX56 AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1203 (Engine Control System) >> DTC P0451: EVAP Control System Pressure 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 OFF and wait at least 10 seconds.
  2. Turn ignition switch ON and select "DATA MONITOR" mode with CONSULT-II.
  3. Start engine and wait at least 40 seconds.
    NOTE: Do not depress accelerator pedal even slightly.
    If 1st trip DTC is detected, go to "DIAGNOSTIC PROCEDURE "
Fig 1: CONSULT-II Display - "DATA MONITOR" Mode
G02388909Courtesy of NISSAN MOTOR CO., U.S.A.