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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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- Check injector identification code (Refer to GROUP 00 - Precautions Before Service - Injector Identification code Registration Procedure
).
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Q.
Is the check result normal?
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Register the injector ID.
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- Refer to Data List Reference Table (Refer to
).
- Item 16: Exhaust gas recirculation valve position
- Item 17: Exhaust gas recirculation valve target position
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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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|
Q.
Is the specified fuel being used?
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- Check for fuel leakage and clogging.
- Check fuel filter for clogging.
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|
Q.
Is the check result normal?
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|
Repair or replace the failed item.
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|
Q.
Does trouble symptom persist?
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|
The procedure is complete.
|
|
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|
- Refer to Actuator Test Reference Table
.
- Item 19: Suction control valve.
|
|
Q.
Is the check result normal?
|
|
Replace the supply pump. After replacing the supply pump, learn the supply pump (Refer to GROUP 00 - Precautions Before Service - What The Common Rail Engine Learns ).
|
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|
- Check suction control valve itself (Refer to
).
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|
Q.
Is the check result normal?
|
|
Replace the supply pump. After replacing the supply pump, learn the supply pump (Refer to GROUP 00 - Precautions Before Service - What The Common Rail Engine Learns ).
|
|
|
|
- Refer to Data List Reference Table (Refer to
).
- Item 63: Rail pressure sensor
- Item 64: Rail pressure target
|
|
Q.
Are the check results normal?
|
|
- Replace the common-rail assembly.
|
|
Q.
Does trouble symptom persist?
|
|
The procedure is complete.
|
|
|
|
- Check the output waveforms on an oscilloscope (Refer to
).
|
|
Q.
Is the check result normal?
|
|
Proceed to the inspection procedure by diagnosis code for the abnormal waveform (Refer to Inspection Chart for Diagnosis Code ).
|
|
|
|
- Check compression pressure (Refer to GROUP 11G - On-vehicle Service - Compression Pressure Check
).
|
|
Q.
Is the check result normal?
|
|
Check and repair the engine itself.
|
|
|
|
- Check valve clearance (Refer to GROUP 11G - On-vehicle Service - Valve Clearance Check and Adjustment
).
|
|
Q.
Is the check result normal?
|
|
Adjust the valve clearance.
|
|
|
|
- Refer to Data List Reference Table (Refer to
).
- Item 15: Injector No. 1
- Item 16: Injector No. 2
- Item 17: Injector No. 3
- Item 18: Injector No. 4
|
|
Q.
Are the check results normal?
|
|
Replace the injector at the failed cylinder. After replacing the Injector, register the injector identification code and learn fuel injection (Refer to GROUP 00 - Precautions Before Service - What The Common Rail Engine Learns ).
|
|
|
|
- Check injector itself (Refer to
).
|
|
Q.
Is the check result normal?
|
|
Replace the injector at the failed cylinder. After replacing the Injector, register the injector identification code and learn fuel injection (Refer to GROUP 00 - Precautions Before Service - What The Common Rail Engine Learns ).
|
|
|
|
- Refer to Data List Reference Table (Refer to
).
- Item 05: Barometric pressure sensor
- Item 06: Manifold absolute pressure sensor
- Item 07: Engine coolant temperature sensor
- Item 08: No. 2 intake air temperature sensor
- Item 09: Accelerator pedal position sensor
- Item 21: Fuel temperature sensor
- Item 43: No. 1 intake air temperature sensor
- Item 45: Throttle position sensor
|
|
Q.
Are the check results normal?
|
|
Perform the diagnosis code classified check procedure for the sensor that has shown an abnormal data value (Refer to Inspection Chart for Diagnosis Code ).
|
|
|
|
Q.
Does trouble symptom persist?
|
|
Replace the engine-ECU. When the engine-ECU is replaced, write the chassis number (Refer to GROUP 00 - Precautions Before Service - How to Perform Chassis Number Writing ). After replacing the engine-ECU, register the injector identification code and learn fuel injection (Refer to GROUP 00 - Precautions Before Service - What The Common Rail Engine Learns ).
|
|
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|
Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunction ).
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