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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 CVT diagnosis code (Refer to GROUP 23A - Troubleshooting ) or the automatic transmission (FF) diagnosis code (Refer to GROUP 23C -Troubleshooting ).
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Q.
Is the diagnosis code stored?
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Perform the relevant troubleshooting.
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Check the transmission coding data stored in ETACS-ECU for any abnormality (Refer to GROUP 00 - Coding Reference Table ).
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Q.
Is the check result normal?
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Replace the ETACS-ECU. (Refer to GROUP 54A - ETACS-ECU .) Then go to Step 5.
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Q.
Is diagnosis code No.C1633 stored?
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Replace the 4WD-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.C1633 stored?
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This diagnosis is complete.
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