P0136: O2 Sensor Circuit (Bank 1/Sensor 2): DTC Detecting Condition

DTC DETECTING CONDITION CHART

Item	Detecting Condition	Possible Cause
DTC Strategy	Voltage range check	Open in signal harness Open in ground harness Contact resistance in connectors Faulty Heated O2 Sensor (HO2S)
Enable Condition	O2 Sensor operative readiness O2 Sensor preheating and full heating phases finished No relevant failure 10V < Battery voltage < 16V
Threshold Value	0.37 < Downstream O2 Sensor voltage < 0.49V & sensor element resistance > 60kΩ
Diagnostic Time	30 sec.
Mil On Condition	2 Driving Cycles