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Home >> Toyota >> 2004 >> Highlander Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 891 (Engine Control System (Diagnostic Codes & Symptom Tests)) >> DTC/Circuit Diagnosis >> DTC P0447: EVAP Canister Vent Control Valve >> On Board Diagnosis Logic

On Board Diagnosis Logic

WARNING: This page is about a different car, the 2013 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0447 0447 EVAP canister vent control valve circuit open An improper voltage signal is sent to ECM through EVAP canister vent control valve.
  • Harness or connectors (The valve circuit is open or shorted.)
  • EVAP canister vent control valve