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Home >> Infiniti >> 2004 >> Q45 >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System >> DTC P0455: EVAP Control System >> DTC Confirmation Procedure >> Notes
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DTC Confirmation Procedure: Notes

CAUTION: Never remove fuel filler cap during the DTC Confirmation Procedure.
NOTE:
  • If DTC P0455 is displayed with P1448, first perform trouble diagnosis for DTC P1448  . (See DTC P1448 EVAP CANISTER VENT CONTROL VALVE  )
  • Make sure that EVAP hoses are connected to EVAP canister purge volume control solenoid valve properly. 
  • If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.

TESTING CONDITION: