General Information: DTC Detecting Condition
DTC DETECTING CONDITION CHART
| Item |
Detecting Condition |
Possible cause |
| DTC Strategy |
- No Activity Detected (Stuck)
|
- Poor connection
- Intake/Exhaust system for leak
- Resistance of wire in HO2S circuit
- Open or short in HO2S heater circuit
- Faulty HO2S
- Improper fuel pressure
- Faulty PCM
|
| Enable Conditions |
- Engine Speed > 1500 rpm Vehicle speed > 18 mile (30 km/h)
- Engine coolant > 167 °F (75 °C) Load value > 30% Fuel Cut On
|
| Threshold value |
- "Real time value of |Vr_max-Vr_min|" <0.078V or
- "Real time value of |Vr_max-Vr_min|" 0.078 ~ 0.3 Vf with 15% A/F enrichment > 0.5VVr with 15% A/F enrichment < 0.45V
|
| Diagnosis Time |
|
| MIL On Condition |
|