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Home >> Infiniti >> 2003 >> G35 4D Sedan, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0451: EVAP Control System Pressure Sensor Performance >> DTC Confirmation Test
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DTC Confirmation Test

NOTE: If a DTC confirmation test has been previously performed, turn ignition off and wait at least 10 seconds before performing next DTC confirmation test.
  1. Turn ignition off and wait at least 10 seconds.
  2. Turn ignition on. Select DATA MONITOR mode with scan tool.
    3. NOTE: DO NOT depress accelerator pedal.
  3. Start engine and wait at least 40 seconds.
  4. If 1st trip DTC is detected, go to DIAGNOSTIC PROCEDURE  . If 1st trip DTC is not detected, system is okay at this time.
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