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Home >> Infiniti >> 2008 >> EX35 Base, RWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> Engine Control Systems >> Engine Control System - DTCS P0137 To P0448 >> P0444, P0445 EVAP Canister Purge Volume Control Solenoid Valve >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

DTC DETECTING CONDITION AND POSSIBLE CAUSE REFERENCE

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0444 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 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
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