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Q.
Is the diagnosis code set?
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Inspection chart for diagnosis code (Refer to ).
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Q.
Are other trouble symptoms occurring?
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Inspection chart for trouble symptoms (Refer to ).
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- Refer to Data List Reference Table .
- Item 5: Barometric pressure sensor
- Item 6: Manifold absolute pressure sensor
- Item 7: Engine coolant temperature sensor
- Item 8: EGR gas temperature sensor
- Item 9: Accelerator pedal position sensor (main)
- Item 10: Accelerator pedal position sensor (sub)
- Item 16: EGR valve position sensor
- Item 21: Fuel temperature sensor
- Item 43: Intake air temperature sensor
- Item 45: Throttle position sensor
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Q.
Are the check results normal?
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Perform the diagnosis code classified check procedure for the sensor that has shown an abnormal data value (Refer to Inspection Chart for Diagnosis Code ).
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- Check injector identification code (Refer to GROUP 00 - Precautions before Service - Injector Identification Code Registration Procedure <4N1>
).
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Q.
Is the check result normal?
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Register the injector ID.
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- Carry out the small injection quantity learning procedure (Refer to GROUP 00 - Precautions before Service - Small Injection Quantity Learning Procedure <4N1>
).
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Q.
Does the trouble symptom persist?
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- Check the turbocharging pressure (Refer to GROUP 15 - On-vehicle Service - Turbocharger Supercharging Pressure Check ).
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Q.
Is the check result normal?
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- Check thermostat (Refer to GROUP 14 - Thermostat and Thermostat Case <4N1> - Thermostat Inspection ).
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Q.
Is the check result normal?
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- Refer to Actuator Test Reference Table .
- Item 19: Suction control valve
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Q.
Is the check result normal?
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Check suction control valve system (Refer to Code No. P0003 , Refer to Code No. P0004 ).
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- Refer to Data List Reference Table .
- Item 63: Rail pressure sensor
- Item 64: Rail pressure target
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Q.
Are the check results normal?
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- After replacing the common-rail assembly, re-check the trouble symptoms.
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Q.
Does the trouble symptom persist?
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Q.
Does the trouble symptom persist?
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Replace the supply pump assembly.
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Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunctions).
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- Check injector itself (Refer to ).
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Q.
Is the check result normal?
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Replace the injector at the failed cylinder.
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- Check compression pressure (Refer to GROUP 11E - On-vehicle Service - Compression Pressure Check ).
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Q.
Is the check result normal?
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Q.
Does the trouble symptom persist?
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Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunctions).
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