LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2004 >> Q45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> DTC P0441: EVAP Control System >> Diagnostic Procedure >> 1. Check EVAP Canister
April 5, 2026: LEMON Manuals is launched! Read the announcement.

1. Check EVAP Canister

  1. Turn ignition switch OFF.
  2. Check EVAP canister for cracks.

OK or NG 

OK (With CONSULT-II): GO TO 2.

OK (Without CONSULT-II): GO TO 3. CHECK PURGE FLOW .

NG : Replace EVAP canister.