DTC Information: DTC Detecting Condition

Item	Detecting Condition	Possible Cause
DTC Strategy	Electrical check	Poor connector connection Open in HO2S control circuit Front HO2S
Enable Condition	Sensor ceramic temperature is greater than 640°C (1184°F) Sensor forced stimulation active Normal auxiliary battery voltage (11 to 16V) Sensor operative readiness detected
Threshold Value	Nernst voltage is greater than 4.4V When the difference between pumping voltage and virtual ground voltage is greater than 2.1V When the difference between pumping voltage and virtual ground voltage is less than -2V When the difference between nernst voltage and virtual ground voltage is greater than 1.6V When the difference between nernst voltage and virtual ground voltage is less than -0.1V
Diagnostic Time	2.5s
MIL ON Condition	2 driving cycles