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HOMESERVICE MANUALSINFINITI2019Q70 3.7 LUXE, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 11 (ENGINE CONTROL SYSTEM (5.6L) (DTC/CIRCUIT DIAGNOSIS) (5 OF 9))DTC/CIRCUIT DIAGNOSISDTC P0453: EVAP CONTROL SYSTEM PRESSURE SENSORDTC LOGICDTC DETECTION LOGIC
2019 Infiniti Q70 3.7 Luxe, AWD

DTC Detection Logic

2019 Infiniti Q70 3.7 Luxe, AWDSECTION DTC Detection Logic
WARNING: This page is about a different variant/trim than selected.

DTC No.

Trouble diagnosis name

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P0453

EVAP SYS PRES SEN

(EVAP control system pressure sensor high input)

An excessively high voltage from the sensor is sent to ECM.
  • Harness or connectors

    (EVAP control system pressure sensor circuit is open or shorted.)

  • EVAP control system pressure sensor
  • EVAP canister vent control valve
  • EVAP canister
  • Rubber hose from EVAP canister vent control valve to vehicle frame
RENDER: 1.0x

NO RELATED

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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

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  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.