General Information: DTC Detecting Condition

DTC DETECTING CONDITION CHART

Item	Detecting Condition	Possible Cause
DTC Strategy	O2 sensor characteristic line shift	Catalyst converter B1S1 ECM
Enable Conditions	Dew point end detected Required lambda = 1 Battery voltage > 10.7V Exhaust gas temperature (model) < 800°C (1472°F) Heater control enabled 1000rpm < Engine speed < 3800rpm Engine load : 18 ~ 60 %
Threshold Value	The second controller by B1S2 < -1 sec
Diagnostic Time	50 sec
MIL ON Condition	2 driving cycle

* B1S1 : upstream oxygen sensor/B1S2 : downstream oxygen