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- Using M.U.T.-III, perform CAN busline diagnosis.
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Q.
Is the check result normal?
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Correct CAN busline (Refer to 54D -
Troubleshooting -
Can Bus
Diagnostics Table ), and then go to Step 3 .
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- Reconfirm whether the diagnosis codes are output from engine-ECU.
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- Erase the diagnosis codes being output.
- Ignition switch: "LOCK" (OFF) to ON
- Confirm whether the diagnosis codes are output.
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Q.
Are the diagnosis codes output?
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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 closed type DPF carries out the forcible
DPF regeneration. (Refer to GROUP 17 -
Diesel Particulate Filter (DPF) System -
Forcible
DPF Regeneration ), and then go to Step 3 .
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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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- Reconfirm whether the diagnosis codes are output from engine-ECU.
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|
- Erase the diagnosis codes being output.
- Ignition switch: "LOCK" (OFF) to ON
- Confirm whether the diagnosis codes are output.
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|
Q.
Are the diagnosis codes output?
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