DTC Information And Inspection: DTC Detecting Condition
WARNING: This page is about a different car, the 2021 Hyundai Kona. However, it is still accessible from the selected car via links, so may be relevant.
| Item |
Detecting Condition |
Possible Cause |
| Main Action |
- Check catalyst for oxygen storage capacity by evaluating downstream O2 sensor voltage fluctuations
|
- Exhaust gas leaks
- Faulty rear HO2S
- Faulty three way catalytic converter
|
| Prerequisite Condition |
- Coolant temperature is higher than 55° (131°F)
- Catalyst temperature (model) is between 445° (833°F) and 925° (1, 697°F)
- Vehicle speed is faster than 8Kph (5Mph)
- Engine speed is between 1, 200 RPM and 3, 200 RPM.
- Mass air flow is between 0.22 and 0.9 g/rev.
- Ambient pressure is greater than 75kPa (750hPa).
- Canister load is less than 0.5.
- Lambda control is active with stable driving condition.
- Downstream O2 sensor operative readiness is detected.
- No opening or closing of canister purge valve.
- Battery voltage is between 11V and 16V.
|
| Threshold Value |
- Average malfunction index is greater than 1.
|
| Diagnostic Time |
- 25 Lambda Controller Cycles
|
| MIL-On Condition |
|