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DTC P0030 Ho2S Heater Control Circuit (Bank 1/Sensor 1): DTC Detecting Condition
DTC DETECTING CONDITION CHART
| Item |
Detecting Condition |
Possible cause |
| DTC Strategy |
- Monitor the current through the heater
|
- Poor Connection
- HO2S (B1/S1)
- PCM
|
| Enable Conditions |
- Engine Running > 60 sec.
- Heater Duty Cycle > 40%
- Max. Duty Cycle - Min. Duty Cycle < 5%
|
| Threshold value |
- Filtered Heater Current < threshold value
|
| Diagnosis Time |
- Continuous (More than 2.5 second failure for every 5 second test)
|
| MIL On Condition |
|