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Q.
Is the check result normal?
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Inspection chart for diagnosis codes
(Refer to ).
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Q.
Is the check result normal?
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Replace the fuel filter then replace
the common rail assembly and fuel injection tubes.
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- After releasing the air from the fuel line, continue idle operation
for about five minutes and recheck for abnormal symptoms.
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Q.
Does trouble symptom persist?
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Replace the common rail assembly and
common tubes.
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- Check suction control valve itself (Refer to ).
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Q.
Is the check result normal?
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Replace the supply pump assembly.
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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|
Q.
Are the check results normal?
|
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Repair
or replace the connector then replace the common rail assembly and fuel
injection tubes.
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- Check output line for open/short circuit and damage.
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Q.
Is the check result normal?
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Repair
the damaged harness wire then replace the common rail assembly and common
tubes.
|
|
|
|
- Check output line for open/short circuit and damage.
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Q.
Is the check result normal?
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Repair
the damaged harness wire then replace the common rail assembly and fuel
injection tubes.
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- Engine: Idling
- Connect the oscilloscope special patterns pickup to engine-ECU
terminal No. 37 and earth.
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OK: The waveform should show a
pattern similar to the illustration of inspection procedure using an
oscilloscope (Refer to ).
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Q.
Is the check result normal?
|
|
Replace the engine-ECU then replace
the common rail assembly and fuel injection tubes. 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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- After replacing the common rail assembly and common tubes, re-check
the trouble symptoms
|
|
Q.
Does trouble symptom persist?
|
|
Replace the supply pump assembly.
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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