| DTC Strategy |
- O2S signal interrupt by heater
|
- Poor connection
- Open or short in signal circuit
- B2/S2
|
| Case1 |
Enable Conditions |
- Battery voltage is higher than 10.7V
- Exhaust gas temperature (model) is higher than 700°C (1292°F)
- O2S heater voltage is higher than 9.2V
|
| Threshold value |
- S2 sensor voltage is between 0.4V and 0.5V
|
| Diagnosis Time |
|
| Case2 |
Enable Conditions |
- Battery voltage is higher than 10.7V
- Time after dew point end detected is higher than 10 sec
|
| Threshold value |
- The number of that the absolute value of Δusvk is greater than 2V during 0.04 sec after turning on and off a heater is more than or equal to 5 times.
|
| MIL On Condition |
|