|
- Measure battery voltage during cranking.
|
|
Q.
Is the check result normal?
|
|
Check battery (Refer to GROUP 54A - Battery - On-vehicle Service - Battery
Test ).
|
|
|
|
Q.
Is the diagnosis code set?
|
|
Inspection chart for diagnosis code (Refer to ).
|
|
|
|
- Refer to Data List Reference Table (Refer to ).
- Item 5: Barometric pressure sensor
- Item 7: Engine coolant temperature sensor
- Item 8: EGR gas temperature sensor <Euro5>
- Item 8: Intake air temperature sensor No. 2 <Except Euro5>
- Item 16: EGR valve position sensor
- Item 17: EGR valve target position
- Item 21: Fuel temperature sensor
- Item 43: Intake air temperature sensor No. 1
|
|
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 ).
|
|
|
|
- Check injector identification code (Refer to GROUP 00 - Precautions
Before Service - Injector Identification code Registration Procedure ).
|
|
Q.
Is the check result normal?
|
|
Register the injector ID.
|
|
|
|
- Carry out the supply pump correction learning (Refer to GROUP 00 - Precautions
Before Service - Supply Pump Correction Learning ).
|
|
Q.
Does trouble symptom persist?
|
|
The procedure is complete.
|
|
|
|
- Carry out the small injection quantity learning procedure (Refer to GROUP
00 - Precautions Before Service - Small Injection Quantity Learning Procedure ).
|
|
Q.
Does trouble symptom persist?
|
|
The procedure is complete.
|
|
|
|
Q.
Is the specified fuel being used?
|
|
- Check glow system (Refer to Code No. P0381 <Euro5>
or Inspection Procedure 25 <Except Euro5>).
|
|
Q.
Is the check result normal?
|
|
Repair or replace the failed item.
|
|
|
|
- Check for fuel leakage and clogging.
- Check fuel filter for clogging.
|
|
Q.
Is the check result normal?
|
|
Repair or replace the failed item.
|
|
|
|
Q.
Does trouble symptom persist?
|
|
The procedure is complete.
|
|
|
|
- Refer to Actuator Test Reference Table .
- Item 19: Suction control valve
|
|
Q.
Is the check result normal?
|
|
Replace the suction control valve. After replacing the suction control valve,
learn the supply pump (Refer to GROUP 00 - Precautions Before Service - What
The Common Rail Engine Learns ).
|
|
|
|
- Check suction control value itself (Refer to ).
|
|
Q.
Is the check result normal?
|
|
Replace the suction control valve. After replacing the suction control valve,
learn the supply pump (Refer to GROUP 00 - Precautions Before Service - What
The Common Rail Engine Learns ).
|
|
|
|
- Refer to Data List Reference Table .
- 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 11A - On-vehicle Service - Compression
Pressure Check ).
|
|
Q.
Is the check result normal?
|
|
Check and repair the engine itself.
|
|
|
|
- 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 ).
|
|
|
|
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 ). After
registering the injector identification code, the vehicle equipped with the DPF carries out
the forcible DPF regeneration. (Refer to GROUP 17 - Emission Control - Diesel
Particulate Filter (DPF) System - Forcible DPF Regeneration ).
|
|
|
|
Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection
Service Points - How to Cope with Intermittent Malfunction ).
|
|
|