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Home >> Infiniti >> 2004 >> I35 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System >> DTC P1456: 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 P1456 is displayed with P0442, perform TROUBLE DIAGNOSIS FOR DTC P1456 first.
  • If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.
  • After repair, make sure that the hoses and clips are installed properly.