2. DTC Code Set Up and Removal Conditions:
DTC Code
DTC Detection Strategy
Conditions For Setting The DTC
(Control Strategy)
Fault Locations
P0300
P0301
P0302
P0303
P0304
1. A Misfire Rate Sufficient to
Cause Damage to Catalytic
Converters
2. A Misfire Rate Sufficient to
Cause the Emission
Deterioration
3. Doubtful Error
1. Each Cylinder Catalytic
Converter Damage Related
Misfire Counters.
2. Catalytic Converter Damage
Misfire Rate More Than 4.5%
-20%.
3. Four Emissions Related All
Cylinder Misfire Counts In One
Driving Cycle.
4. Misfire Rate Causing Emission
Deterioration More Than 3.0%.
5. After Starting Each Cylinder
Emission Related Misfire
Counts During a Count Cycle.
6. Undetected Bad Circuit.
7. Fuel Control Inactivated.
8. Torque Intervention Inactivated.
9. Engine speed is greater than
600 rpm and less than 5,000
rpm.
10. Intake air temperature is greater
than -30°C (-22 ºF).
1. Connector Loose or Poor
Connection
2. Vacuum Tube Hose Broken or
Loose
3. Ignition System
4. Fuel Injectors
5. Fuel Pressure
6. Intake Air Pressure Sensor
7. Engine Coolant Temperature
Sensor
8. Cylinder Compression Pressure
9. Valve Clearance and Timing
10. Evaporative Emission Control
System
11. Purged Crankcase Ventilation
System
12. Intake System
13. Poor Exhaust System
Ventilation
14. ECM
Engine
Control System JL4G18-D
2-145
EC718/EC718RV EC715/EC715RV 10/2009
Summary of Contents for EC715 2009
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