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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 ASC diagnosis code (Refer to GROUP 35C -
Troubleshooting ).
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Q.
Is the diagnosis code set?
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Perform the relevant troubleshooting.
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Q.
Is diagnosis code No.C1778 set?
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Replace the hydraulic unit (integrated with ASC-ECU) (Refer to GROUP 35C -
Hydraulic Unit ). Then go to Step 4
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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.C1780 set?
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Replace the ACC/FCM-ECU (Refer to ).
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Intermittent malfunction (Refer to GROUP 00 -
How to Cope with Intermittent Malfunction ).
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