| DTC Strategy |
- Check signal characteristic excessive variation
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- Poor connector connection
- HO2S (Bank1, Sensor1)
- Blocking of intake system
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| Enable Conditions |
- A/F ratio control activation
- Temperature of measured tip is higher than 720°C (1328°F)
- Heat duration greater than 70s
- Target lambda value is between 0.982 and 1.018
- Limit lambda control (reach side)
- Integrated mass air flow is greater than 50g
- Stable conditions
- Difference between engine speed and filtered engine speed is below 15RPM
- Difference between mass air flow and filtered mass air flow is below 20mg/stk
- Difference between torque and filtered torque is below 15Nm
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| Threshold Value |
- The difference between the measured lambda sensor value and the filtered lambda sensor value is greater than 1.1
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| Diagnostic Time |
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| MIL ON Condition |
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