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Home >> Infiniti >> 2019 >> QX30 Pure >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (4 Of 4) >> DTC/Circuit Diagnosis >> DTC P2231: A/F 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

P2231

00

Oxygen sensor bank 1 sensor 1

(O2 Sensor Signal Circuit Shorted to Heater Circuit Bank 1 Sensor 1)

NO SUBTYPE INFORMATION

The signal line of oxygen sensor 1 (cylinder bank 1) and the electrical heater circuit have a short circuit to each other.
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