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Home >> Infiniti >> 2021 >> QX50 Essential, 4WD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (5 Of 5) >> DTC/Circuit Diagnosis >> DTC P23FE: Bank 1 System B >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

P23FE

00

Bank 1 system B

(Bank 1 System B Air-Fuel Ratio Imbalance)

Diagnosis condition

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Signal (terminal)

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Threshold

ECM detects a lean/rich air fuel ratio state in any cylinder for a specified length of time

Diagnosis delay time

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