| DTC Strategy |
- Determine if a multiple cylinder misfire or a cylinder specific misfire is occurring by monitoring crankshaft acceleration.
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- Faulty Spark plugs
- Faulty Spark plug cables
- Air Leakage
- Belt deflection and Air gap of CKPS
- Incorrect timing
- Faulty injector
- Improper fuel pressure
- Improper engine compression
- Faulty PCM
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| Enable Condition |
- No sudden change in throttle opening.
- Torque management control is not functioning.
- Not deceleration fuel cut-off
- Not fuel cut-off during high speed operation.
- Not negative torque driving conditions.
- Not fuel level low
- TEC is learned
- Coolant temperature is outside the window
- 500 < Engine speed < 6600
- 11 < Battery voltage < 16
- TPS/MAP sensor/CAMS/CKPS/ECT sensor are normal.
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| Threshold Value |
Case1 |
- Individual event misfire detection > Threshold
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| Case2 |
- Emissions damaging >Threshold
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| Case3 |
- Catalyst damaging > Threshold
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| Diagnosis Time |
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| MIL On Condition |
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