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Home >> Infiniti >> 2013 >> M56 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0190 To P1084 >> DTC P0444, P0445: EVAP Canister Purge Volume Control Solenoid Valve >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

DTC No. Trouble diagnosis name (Trouble diagnosis content) DTC detecting condition Possible cause
P0444 PURG VOLUME CONT/V (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 PURG VOLUME CONT/V (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