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Home >> Infiniti >> 2004 >> FX35 AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 167 (Engine Controls - Self-Diagnostics) >> Diagnostic Tests >> DTC P0451: EVAP Control System Pressure Sensor Performance >> DTC Confirmation Test

DTC Confirmation Test

WARNING: This page is about a different car, the 2003 Infiniti FX45. However, it is still accessible from the selected car via links, so may be relevant.
  1. Start engine and warm it up to normal operating temperature.
  2. Turn ignition switch off and wait at least 10 seconds.
  3. Turn ignition switch on and select DATA MONITOR mode with scan tool.
  4. Start engine and wait at least 40 seconds. Do not depress accelerator pedal even slightly. If 1st trip DTC is detected, go to DIAGNOSTIC PROCEDURE  . If 1st trip DTC is not detected, system is okay at this time.