DTC Detection Logic

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

P0451-00

Barometric pressure sensor A/B

(EVAP System Pressure Sensor/Switch "A" Circuit Range/Performance)

Diagnosis condition

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Signal (terminal)

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Threshold

ECM detects a state that the pressure difference remains the threshold value or more for continuously for 5 seconds or more under the condition that the pressure of the EVAP control system pressure sensor and that of the barometric pressure sensor are equal.

Diagnosis delay time

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