DTC Information: DTC Detecting Condition

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Item	Detecting Condition	Possible Cause
DTC Strategy	Evaluate O2 sensor element temperature via measuring element resistance	Poor connector connection Faulty related fuse Open, short in power circuit Open, short in control circuit Faulty downstream O2 sensor
Enable Conditions	Downstream O2 sensor normal heating time is greater than 58s Engine off duration is higher than 60 minutes Battery voltage at between 11V and 16V
Threshold Value	Downstream O2 sensor resistance is higher than 1.9kΩ
Diagnostic Time	20s
MIL ON Condition	2 driving cycles