DTC Information And Inspection: DTC Detecting Condition

Item	Detecting Condition	Possible Cause
Main Action	Electrical check	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 10V and 16V.
Threshold Value	Pumping current (VRC) trim circuit is open. Measured sensor resistor is greater than 4644Ω
Diagnosis Time	Continuously
MIL On Condition	3rd Driving Cycle