DTC Information: DTC Detecting Condition

Item	Detecting Condition	Possible Cause
DTC Strategy	Downstream O2 sensor signal is too low	Poor connection or damaged harness Rear HO2S
Enable Conditions	No fuel cut-off No full load phase No catalyst overheating protection Battery voltage is between 11V and 16V
Threshold Value	Rear HO2S signal is lower than 0.75V when lambda set point equal to 0.80 Downstream O2 sensor signal is too low
Diagnosis Time	7 sec after lambda set point shift to corresponding side
MIL On Condition	2 Driving Cycles