General Information: DTC Detecting Condition

DTC DETECTING CONDITIONS

Item	Detecting Condition	Possible cause
DTC Strategy	Downstream O2 sensor signal too low	Poor connection or damaged harness Rear HO2S
Enable Conditions	No fuel cut-off No full load phase No catalyst overheating protection 11V < Battery voltage < 16V
Threshold value	Rear HO2S signal < 0.75V when lambda set point = 0.80
Diagnosis Time	7 sec after lambda set point shift to corresponding side
MIL On Condition	2 driving cycle