DTC P0136 Ho2S Circuit (Bank 1/Sensor 2): DTC Detecting Condition

DTC DETECTING CONDITION AND POSSIBLE CAUSE

Item		Detecting Condition	Possible Cause
DTC Strategy		Signal check, wiring interruption	Poor connection Open or short in signal circuit B1S2 ECM/PCM
General Enable Conditions		After enough heated Battery voltage > 10.7V Catalyst temperature (model) ≤ 800°C (1472°F)
Case1	Threshold Value	Sensor voltage: 0.4 ~ 0.52 V
Case1	Diagnostic Time	600 sec
Case2	Enable Conditions	Catalyst temperature (model) > 600 °C (1112°F)
Case2	Threshold Value	Internal resistance > 40 kΩ
MIL ON Condition		2 driving cycle

* B1S1: upstream oxygen sensor / B1S2: downstream oxygen sensor