DTC Information: DTC Detecting Condition

Item	Detecting Condition	Possible Cause
DTC Strategy	Electrical check	Poor connection or damaged harness Open in HO2S control circuit Front HO2S
Enable Conditions	Battery voltage is between 11V and 16V Upstream O2 sensor operative readiness is detected
Threshold value	Signal voltage is between 1.9V and 2.1V for 5sec during internal test Reference ground circuit open (VG) Signal voltage is lower than 2.1V during fuel cut off
Diagnosis Time	15 sec.
MIL On Condition	2 Driving Cycles