DTC Information: DTC Detecting Condition

Item	Detecting Condition	Possible Cause
Main Action	Electrical check - Lambda sensor reference ground circuit	Poor connection or damaged harness Open in HO2S control circuit Front HO2S
Prerequisite condition	Upstream O2 sensor operative readiness is detected. Battery voltage is between 11V and 16V.
Threshold Value	Sensor reference ground circuit (Vg) is open.
Diagnosis Time	2.5 Seconds
Mil On Condition	3rd Driving Cycle