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Home >> Infiniti >> 2016 >> Q50 Base, RWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (DTCS) (Except Hybrid) (4 Of 5) >> DTC/Circuit Diagnosis >> DTC P1522: EVAP Control System Pressure Sensor >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

DTC No. CONSULT screen terms DTC detecting condition
(Trouble diagnosis content) Malfunction type
P1522 EVAP control system check valve
(EVAP control system check valve)		 NO SUBTYPE INFORMATION The check valve of the evaporative emission control system (at partial load) is jammed closed.
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