FixVault

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy * Rationality check 1. Poor connection
2. Open or short in signal circuit
3. S2
Enable Conditions * Dew point end detected
* Battery voltage is higher than 10.7V
Case 1 Threshold Value * Sensor voltage is higher than 0.4V and lower than 0.52V.
Threshold Value * Average of loaded voltage is higher than 2.8V.
Diagnostic Time * 3 sec
Case 2 Threshold Value * Exhaust gas temperature (model) is lower than 1112°F
Threshold Value * Internal resistance is higher than 40 kΩ
Diagnostic Time * 3 sec
Case 3 Threshold Value * The number of that the absolute value of λdownstream O2S voltage is greater than 2V during 0.04 sec after turning on and off a heater is more than or equal to 4 times.
Diagnostic Time * 2 sec
MIL ON Condition * 2 driving cycle