DTC Information: DTC Detecting Condition

Item	Detecting Condition	Possible Cause
DTC Strategy	Sensor Current check.	Poor connection Damaged or corroded terminals HO2S (S1)
Enable Conditions	Exhaust Gas temperature less than 800 °C (1472 °F). Target Lambda greater than 0.95 and less than 1.05. Heating ratio greater than 20 % and less than 80 %.
Threshold Value	Sensor Current Change calculated form Sensor Output Voltage greater than 190 μA.
Diagnostic Time	Continuous.
Mil On Condition	2 driving cycles.

* S1: upstream oxygen sensor/S2: downstream oxygen sensor