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Home >> Nissan-Datsun >> 2005 >> Altima Base >> Repair and Diagnosis >> Engine Performance >> Engine Control System - Qr25DE >> DTC P0456: EVAP Control System >> DIAGNOSTIC TROUBLE CODES Confirmation Procedure >> Notes
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DIAGNOSTIC TROUBLE CODES Confirmation Procedure: Notes

NOTE:
  • If DTC P0456 is displayed with P0442, first perform trouble diagnosis for DTC P0456.
  • After repair, make sure that the hoses and clips are installed 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: 

  • Open engine hood before conducting following procedure.
  • If any of following conditions are met just before the DTC confirmation procedure, leave the vehicle for more than 1 hour.
    • Fuel filler cap is removed.
    • Refilled or drained the fuel.
    • EVAP component parts is/are removed.
  • Before performing the following procedure, confirm that battery voltage is more than 11V at idle.
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