General Information: DTC Detecting Condition

DTC DETECTING CONDITION CHART

Item	Detecting Condition	Possible Cause
DTC Strategy	Heater check open	Poor connection Open or Short to ground in power circuit Open in control circuit B1S1 ECM
Enable Conditions	-
Threshold Value	Open
Diagnostic Time	Continuous
MIL ON Condition	2 driving cycle

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