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Use M.U.T.-III to perform the CAN bus diagnosis.
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Q.
Is the check result normal?
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Repair the CAN bus lines. (Refer to GROUP 54C - Troubleshooting ).
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Check the ETACS diagnosis code. (Refer to GROUP 54A - Troubleshooting ).
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Q.
Is the diagnosis code set?
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Perform the relevant troubleshooting.
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Using the M.U.T.-III, check if there is any abnormality to the coding data stored in the
ETACS-ECU. (Refer to GROUP 00 - Coding Reference Table ).
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Q.
Is the check result normal?
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Repair the coding data or replace ETACS-ECU. (Refer to GROUP 54A - ETACS-ECU ).
Then go to Step 5.
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Q.
Is diagnosis code No.U1417 set?
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Replace the AWC-ECU. (Refer to ). Then go
to Step 5.
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Intermittent malfunction. (Refer to GROUP 00 - How to Cope with Intermittent
Malfunction ).
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Q.
Is diagnosis code No.U1417 set?
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This diagnosis is complete.
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