DTC P2A04 Ho2S Sensor Circuit Range/Performance (B2/S2): DTC Detecting Condition

DTC DETECTING CONDITION CHART

Item	Detecting Condition	Possible cause
DTC Strategy	Monitor signal voltage	Poor connection Faulty HO2S Faulty PCM
Enable Conditions	After engine warming-up Deceleration fuel cut-off state No other disabling faults
Threshold value	The average time for voltage drop > approx. 0.3 seconds
Diagnosis Time	During deceleration fuel cut-off
MIL On Condition	2 driving cycles