FixVault

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy * Rationality check 1. Poor connection
2. Open or short power/ground in signal circuit
3. S1
Enable Conditions * Exhaust Gas temperature is lower than 800°C.
* Target Lambda is between 0.95 and 1.05
* Heating ratio is between 20% and 80%
Threshold Value * Sensor current change calculated form sensor output voltage is higher than 190λ
Diagnostic Time * Continuous
Diagnostic Time * 2 Drive Cycle