DTC Information: DTC Detecting Condition

Item	Detecting Condition	Possible Cause
DTC Strategy	Signal check, high	Poor connection Open in signal circuit S1
Enable Conditions	Fuel cut condition Sensor Ceramic Temp greater than 720 °C (1328 °F) Exhaust Gas Temp less than 750 °C (1382 °F)
Threshold Value	Sensor voltage greater than 4.8 V
Diagnostic Time	Immediate
MIL ON Condition	2 Driving Cycle

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