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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 5.
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Using M.U.T.-III, perform MPI system diagnosis code (Refer to GROUP 13B - Troubleshooting, Diagnosis Function ).
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Q.
Is diagnosis code No.U0155 set?
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Repair the MPI system (Refer to GROUP 13B - Troubleshooting, Diagnosis Code Procedures, Code No.U0155: Combination meter time-out ). Then go to Step 5.
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Using M.U.T.-III, check the combination meter system actuator test (Refer to GROUP 54A - Combination Meter, Troubleshooting, Special Function Table ).
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Q.
Is the check result normal?
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Repair the combination meter system (Refer to GROUP 54A - Combination Meter, Trouble Symptom Chart ). Then go to Step 5.
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Q.
When the cruise control ON/OFF switch is turned ON, is the cruise control display screen displayed?
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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 13B - Engine-ECU ). Then go to Step 5.
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Q.
When the cruise control ON/OFF switch is turned ON, is the cruise control display screen displayed?
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The procedure is complete.
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