General Information: DTC Detecting Condition

Item	Detecting Condition	Possible cause
DTC Strategy	Monitor HO2S's signal	Poor Connection Faulty HO2S Restricted of fuel filter in fuel pump Faulty PCM
Enable Conditions	Battery voltage ≥ 10V Engine running ≥ 60sec. Power Enrichment mode Engine at operating temperature HO2S value does not change
Threshold value	HO2S's signal < 0.55V and Air Fuel Ratio ≤ 13.49
Diagnosis Time	Continuous (More than 8 sec. failure for every 9 sec. Test)
MIL On Condition	2 Drive Cycles