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Home >> Lexus >> 2007 >> LS 460L >> Repair and Diagnosis >> External Pages >> Different car >> Section 782 (Engine Control System - DTCS P0451 To P1217) >> P0451 EVAP Control System Pressure Sensor >> DTC Logic >> DTC Confirmation Procedure
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DTC Confirmation Procedure

WARNING: This page is about a different car, the 2009 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
  1. PRECONDITIONING

    If DTC Confirmation Procedure has been previously conducted, always perform the following before conducting the next test.

    1. Turn ignition switch OFF and wait at least 10 seconds.
    2. Turn ignition switch ON.
    3. Turn ignition switch OFF and wait at least 10 seconds.

    : GO TO 2.

  2. PERFORM DTC CONFIRMATION PROCEDURE
    1. Start engine and wait at least 40 seconds.
      NOTE: Do not depress accelerator pedal even slightly.
    2. Check 1st trip DTC.

    Is 1st trip DTC detected? 

    YES: Go to "DIAGNOSIS PROCEDURE ".

    NO: INSPECTION END

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