DTC Information: DTC Detecting Condition

Item	Detecting Condition	Possible Cause
DTC Strategy	Signal Plausibility with lean mixture (during fuel cut off)	Poor connection Open in harness HO2S (B1/S2) ECM (PCM)
Enable Conditions	Downstream O2 Sensor operative readiness is detected Integrated mass air flow is greater than 500g since last fuel cut-off Integrated mass air flow is between 20g and 250g since fuel cut-off begin Battery voltage is between 10V and 16V
Threshold value	Downstream O2 sensor voltage is greater than 0.2V
Diagnosis Time	5 seconds
MIL On Condition	2 Driving Cycles