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Home >> Infiniti >> 2018 >> QX30 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (2 Of 4) >> DTC/Circuit Diagnosis >> DTC P0140: O2 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

P0140

13

Oxygen sensor bank1 sensor 2

(O2 Sensor Circuit No Activity Detected Bank 1 Sensor 2)

CIRCUIT OPEN

The signal of oxygen sensor does not change. There is an open circuit.