DTC Information: DTC Detecting Condition

Item	Detecting Condition	Possible cause
DTC Strategy	Electrical check - Check symptoms related to lambda sensor open circuit	Poor connection or damaged harness Open in HO2S control circuit Front HO2S
Enable Conditions	Upstream O2 sensor operative readiness is detected. Battery voltage is between 11V and 16V
Threshold Value	Pumping current circuit open (VIP) Pump voltage (Vip) is 1.2V higher than virtual ground voltage and Nernst voltage (Vn) is 1.2V lower than virtual ground voltage.
Diagnostic Time	2.5s
MIL ON Condition	2 driving cycles