LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2010 >> M45 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0171 To P0456 >> DTC P0451 EVAP Control System Pressure Sensor >> DTC Confirmation Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Confirmation Procedure

  1. If DTC Confirmation Procedure has been previously conducted, always perform the following procedure 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.
  2. Start engine and wait at least 40 seconds.
    NOTE: Do not depress accelerator pedal even slightly.
  3. Check 1st trip DTC.
  4. If 1st trip DTC is detected, go to "DIAGNOSIS PROCEDURE ".