| DTC Strategy |
Case 1 |
- Check Engine combustion (Ignition)
|
- Faulty Fuel system
- Ignition system
- Short to power in signal circuit
- Open in ground circuit
|
| Case 2 |
|
| Enable Conditions |
Case 1 |
- Engine running
- Intake air volumn is higher than 0.16g/rev
- Fuel injection time is higher than 0.05s
|
| Case 2 |
- Engine RPM is between 928 RPM and 1472 RPM
- After engine start, it takes less than 3s for engine stop
|
| Threshold Value |
Case 1 |
- Upstream O2 sensor voltage is between 3.5V and 4.9V
- Downstream O2 sensor voltage is lower than 0.2V
|
| Case 2 |
- Engine start failure more than 3 times
|
| Diagnosis Time |
|
| MIL On Condition |
|