LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2020 >> QX50 Essential, FWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (5 Of 12) >> DTC/Circuit Diagnosis >> DTC P0453: EVAP Control System Pressure Sensor >> DTC Description >> DTC Detection Logic
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Detection Logic

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

P0453

00

EVAP SYS PRES SEN

(EVAP System Pressure Sensor/Switch A Circuit High)

Diagnosis condition

--

Signal (terminal)

EVAP control system pressure sensor signal

Threshold

An excessively high voltage from the sensor is sent to ECM

Diagnosis delay time

--