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Home >> Infiniti >> 2008 >> M45 x >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (VK45DE) - DTCS P0171 Through P0456 >> DTC P0451 EVAP Control System Pressure Sensor >> DTC Confirmation Procedure
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DTC Confirmation Procedure

NOTE: If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.
  1. 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 "DIAGNOSTIC PROCEDURE ".