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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 P0443: EVAP Canister Purge Volume Control Solenoid 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
P0443 0443 EVAP canister purge volume control solenoid valve A) The canister purge flow is detected during the vehicle is stopped while the the engine is running, even when EVAP canister purge volume control solenoid valve is completely closed.
  • EVAP control system pressure sensor
  • EVAP canister purge volume control solenoid valve (The valve is stuck open.)
  • EVAP canister vent control valve
  • EVAP canister
  • Hoses (Hoses are connected incorrectly or clogged.)
B) The canister purge flow is detected during the specified driving conditions, even when EVAP canister purge volume control solenoid valve is completely closed.