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Home >> Infiniti >> 2017 >> Q60 Base, AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (DTCS) (2.0L Turbo) (2 Of 6) >> DTC/Circuit Diagnosis >> DTC P0140: O2 Sensor >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

DTC CONSULT Screen Terms DTC Detecting Condition
(Trouble Diagnosis Content) [Malfunction Type]
P0140 13 O2 SENSOR B1 SENSOR 2
(O2 sensor circuit no activity detected bank 1 sensor 2)
CIRCUIT OPEN Diagnosis condition -
Signal (terminal) -
Threshold The signal of oxygen sensor (cylinder bank 1) does not change. There is an open circuit.
Diagnosis delay time -