DTC Information: DTC Detecting Condition

Item	Detecting Condition	Possible Cause
DTC Strategy	Signal check, high	Poor connection Open or short to ground in power circuit Open in control circuit S2
Enable Conditions	Battery voltage is higher than 10.7V and lower than 16V Exhaust Gas temperature is higher than 350°C (662°F) and lower than 550°C (1022°F)
Threshold Value	When Internal resistance is greater than threshold value (Calculated by exhaust gas temp. or heating power)
Diagnostic Time	15 sec
MIL ON Condition	2 driving cycle