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Home >> Infiniti >> 2015 >> QX60 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 117 (Engine Control System (DTC/Circuit Diagnosis) (VQ35DE) (Except Hybrid) (2 Of 3)) >> DTC/Circuit Diagnosis >> DTC P0443: EVAP Canister Purge Volume Control Solenoid Valve >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
DTC No. CONSULT screen terms
(Trouble diagnosis content)		  
DTC detecting condition		 Possible cause
 
P0443		  
PURG VOLUME CONT/V
(Evaporative emission system purge control valve circuit)		 A The canister purge flow is detected during the vehicle is stopped while 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.
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