General Information: DTC Detecting Condition
DTC DETECTING CONDITION CHART
| Item | Detecting Condition | Possible Cause | |
|---|---|---|---|
| DTC Strategy | Signal check, wiring interruption | Poor connection Open or short in signal circuit B1S1 ECM |
|
| General Enable Conditions | Dew point end detected Required lambda = 1 Battery voltage > 10.7V Exhaust gas temperature (model) < 800°C (1472°F) Heater control enabled |
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| Case1 | Enable Conditions | Time after fuel cut-off > 3.0s B1S2 sensor voltage > 0.2V |
|
| Threshold Value | 0.1 sec | ||
| Diagnostic Time | Sensor voltage > 0.2V | ||
| Case2 | Enable Conditions | Sensor voltage : 0.4~0.6V | |
| Diagnostic Time | 5 sec | ||
| Case3 | Enable Conditions | Exhaust gas temperature (model) > 600°C (1112°F) | |
| Threshold Value | Internal resistance > 20 k? | ||
| MIL ON Condition | 2 driving cycle | ||
* B1S1 : upstream oxygen sensor/B1S2 : downstream oxygen sensor