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Home >> Suzuki >> 2009 >> Equator Base, 4D Pickup >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (VQ40DE) - (2 Of 5) >> DTC P0444, P0445: EVAP Canister Purge Volume Control Solenoid Valve >> On Board Diagnosis Logic
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On Board Diagnosis Logic

DTC DETECTING CONDITION AND POSSIBLE CAUSE

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0444
0444
EVAP canister purge volume control solenoid valve circuit open An excessively low voltage signal is sent to ECM through the valve
  • Harness or connectors (The solenoid valve circuit is open or shorted.)
  • EVAP canister purge volume control solenoid valve
P0445
0445
EVAP canister purge volume control solenoid valve circuit shorted An excessively high voltage signal is sent to ECM through the valve
  • Harness or connectors (The solenoid valve circuit is shorted.)
  • EVAP canister purge volume control solenoid valve