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Home >> Infiniti >> 2018 >> QX30 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (4 Of 4) >> DTC/Circuit Diagnosis >> DTC P2243: A/F Sensor >> DTC Description >> DTC Detection Logic

DTC Detection Logic

DTC No.

CONSULT screen terms

DTC detecting condition

(Trouble diagnosis content)

Malfunction type

P2243

00

O2 SENSOR REF VOLTAGE B1 SEN 1

(O2 Sensor Reference Voltage Circuit/Open Bank 1 Sensor 1)

NO SUBTYPE INFORMATION

The reference voltage connection of oxygen sensor 1 (cylinder bank 1) has an electrical malfunction or open circuit.