FixVault

DTC Detection Logic

DTC CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
P0456 EVAP VERY SML LEAK
[Evaporative emission system leak detected (very small leak)]
Diagnosis condition -
Signal (terminal) -
Threshold
  • EVAP system has a very small leak.
  • EVAP system does not operate properly.
Diagnosis delay time -
CAUTION:
  • Use only a genuine NISSAN fuel filler cap as a replacement. If an incorrect fuel filler cap is used, the MIL may illuminate.
  • If the fuel filler cap is not tightened properly, the MIL may illuminate.
  • Use only a genuine NISSAN rubber tube as a replacement.