DTC Information: DTC Detecting Condition

Trouble shooting	Condition	Possible Cause
Main Action	Rationality check	Poor connection Open or short in signal circuit S1
Enable Conditions	Dew point end detected Fuel feed back control active Battery voltage is higher than 11V Exhaust Gas temperature is between 280°C and 800°C No injector error No upstream O2 sensor heater error
Threshold Value	Sensor voltage: 0.4~0.6V
Diagnostic Time	5 sec
MIL	2 driving cycle