DTC Information: DTC Detecting Condition

Item	Detecting Condition	Possible Cause
Main Action	Electrical check	Poor connection or damaged harness Open in signal/ground harness Faulty Heated O2 Sensor (HO2S)
Prerequisite Condition	O2 Sensor operative readiness is detected. (Sensor element resistance is lower than 1kΩ or heater maximum or normal heating lasts for more than 75 seconds) Battery voltage is between 10V and 16V.
Threshold Value	Downstream O2 Sensor element resistance is higher than 22.5kΩ. Sensor signal circuit is open.
Diagnostic Time	2.5 Seconds
Mil On Condition	3 driving cycles