DTC Detecting Condition and Trouble Area
DTC DETECTING CONDITION CHART
| DTC detecting condition |
Trouble area |
P0300: Random
- Misfire, which causes catalyst to overheat during 200 engine revolutions, is detected at 2 or more cylinders. (MIL flashes as long as this misfire occurs continuously).
- Misfire, which affects exhaust emission adversely during 1000 engine revolutions, is detected at 2 or more cylinders.
(2 driving cycle detection logic) |
- Ignition system
- Fuel injector and its circuit
- Fuel pressure
- EGR system
- Fuel level sensor
- Abnormal air drawn in
- Engine compression
- Valve lash (clearance)
- Valve timing
- Fuel shortage
- Exhaust system
- Fuel of poor quality
|
P0301: No. 1 cylinder, P0302: No. 2 cylinder, P0303: No. 3 cylinder, P0304: No. 4 cylinder, P0305: No. 5 cylinder, P0306: No. 6 cylinder
- Misfire, which causes catalyst to overheat during 200 engine revolutions, is detected at 1 cylinder. (MIL flashes as long as this misfire occurs continuously).
- Misfire, which affects exhaust emission adversely during 1000 engine revolutions, is detected at 1 cylinder.
(2 driving cycle detection logic) |