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- Measure battery voltage during cranking.
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Q.
Is the check result normal?
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Check battery (Refer to GROUP 54A - Battery - On-vehicle Service - Battery
test ).
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- Disconnect connector, and measure at harness side.
Voltage between terminal No. 101 and earth.
OK: System voltage
Q.
Is the check result normal?
Go to Step 5 .
Go to Step 3 .
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Q.
Are the check results normal?
Go to Step 4 .
Repair or replace.
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Q.
Is the check result normal?
Go to Step 5 .
Repair the harness wire.
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Q.
Does trouble symptom persist?
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Replace the engine-ECU. When the engine-ECU is replaced, write the chassis number
(Refer to GROUP 00 - 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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