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Using M.U.T.-III, perform CAN bus diagnosis (Refer to GROUP 54C - Explanation About The M.U.T-III Can Bus Diagnostics ).
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Q.
Is the check result satisfactory?
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Repair the CAN bus lines (Refer to GROUP 54C - Troubleshooting, Can Bus Diagnostic Table ). Then go to Step 8.
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Using M.U.T.-III, perform diesel fuel system diagnosis code (Refer to GROUP 13E - Troubleshooting).
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Q.
Is any diagnosis code set?
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Repair the diesel fuel system (Refer to GROUP 13E - Troubleshooting). Then go to Step 8.
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Using M.U.T.-III, read the diagnosis code of the cruise control system (Refer to ).
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Q.
Is any diagnosis code set?
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Repair the cruise control system (Refer to - Diagnosis Code Chart) <4HN>. Then go to Step 8.
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Using M.U.T.-III, check the data list.
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- Item 285: Cruise control switch
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(Refer to data list reference table ) <4HN>.
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Q.
Is the check result normal?
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Refer to - Diagnosis Code Procedures, Code No. P0568: Cruise control switch system error. Then go to Step 8.
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Using M.U.T.-III, check the data list.
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- Item 74: Stop lamp switch
- Item 89: Brake switch
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(Refer to data list reference table ) <4HN>.
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Q.
Is the check result normal?
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Refer to - Diagnosis Code Procedures, Code No. P1536: Stop lamp switch system error. Then go to Step 8.
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Using M.U.T.-III, check the data list.
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(Refer to data list reference table ) <4HN>.
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Q.
Is the check result normal?
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Refer to - Diagnosis Code Procedures, Code No. P0704: Clutch switch system error. Then go to Step 8.
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Q.
Can cruise control be set?
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It can be assumed that this malfunction is intermittent (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points, How to Cope with Intermittent Malfunction ).
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Replace the engine-ECU (Refer to GROUP 13E - Engine-ECU ). Then go to Step 8.
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Q.
Can cruise control be set?
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The procedure is complete.
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