LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2021 >> Q60 Pure, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (4 Of 7) >> Engine (ECM) >> DTC P0456: EVAP Control System >> DTC Description >> DTC Detection Logic
April 5, 2026: LEMON Manuals is launched! Read the announcement.

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.