DTC Information: DTC Detecting Condition

Item	Detecting Condition	Possible Cause
DTC Strategy	Check rear HO2S heater circuit	Poor connector connection HO2S (Bank1, Sensor2) heater control circuit is open HO2S (Bank1, Sensor2) heater power circuit is open HO2S (Bank1, Sensor2) heater
Enable Conditions	Ignition "ON"
Threshold Value	The downstream HO2S control line is detected as open circuit (output voltage is below 1.92 to 2.21V or higher than 2.85 to 3.25V)
Diagnostic Time	Continuously
MIL ON Condition	2 driving cycle