DTC Information: DTC Detecting Condition

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Item		Detecting Condition	Possible Cause
DTC Strategy		Circuit check	Related fuse blown or missing Heater control circuit open or short Power supply circuit open or short Poor connection or damaged connector Faulty HO2S
Enable Conditions	Case1	Downstream O2 sensor normal heating is more than 58s Engine off duration time since the last engine stop is more than 60 minutes
Enable Conditions	Case2	Engine speed is higher than 32RPM Battery voltage is higher than 10V and lower than 16V Exhaust gas temperature model is high than 300°C (572°F)
Threshold Value	Case1	HO2S internal resistance is higher than 1000Ω
Threshold Value	Case2	ECU power stage diagnosis output voltage is 2.218V to 2.842V
Diagnostic Time	Case1	10s
Diagnostic Time	Case2	Continuously (5.0s/recurrence 100ms)
MIL ON Condition		2 driving cycles