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General Information: DTC Detecting Condition
DTC DETECTING CONDITION CHART
| Item |
Detecting Condition |
Possible cause |
| DTC Strategy |
- Monitor HO2S's response rate
|
- Poor connection
- Faulty HO2S
- Faulty ECM
|
| Enable Conditions |
- Engine warm-up sufficiently
- Engine run time > 60sec
- Drive at a steady speed between 45-55 mph(72-88 km/h)
- Engine Coolant > 70°C(158 °F)
- No disabling faults
|
| Threshold value |
- The calculated response rate is too slow (out of threshold in ECM)
|
| Diagnosis Time |
|
| MIL On Condition |
|