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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 2.
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Q.
Is diagnosis code set?
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Repair the adaptive cruise control system (ACC) (Refer to ).
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Using M.U.T.-III, perform MPI system diagnosis code (Refer to GROUP 13C -
Troubleshooting,
Diagnosis Function ) <Petrol engine>, common
rail fuel injection system diagnosis code (Refer to GROUP 13D -
Troubleshooting, Diagnosis Function ) <Diesel
engine>.
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Q.
Is any diagnosis code set?
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Repair the MPI system (Refer to GROUP 13C -
Troubleshooting, Inspection
Chart for Diagnosis Code <Petrol engine>,
GROUP 13D -
Troubleshooting, Inspection Chart for Diagnosis Code <Diesel
engine>).
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Using M.U.T.-III, perform ASC system diagnosis code (Refer to GROUP 35C -
Troubleshooting,
Diagnosis Function ).
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Q.
Is the diagnosis code set?
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Repair the ASC system (Refer to GROUP 35C -
Troubleshooting, Inspection
Chart for Diagnosis Code ).
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Using M.U.T.-III, perform CVT system diagnosis code (Refer to GROUP 23A -
Troubleshooting,
Diagnosis Function <CVT>, GROUP 23C -
Troubleshooting,
Diagnosis Function <A/T>).
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Q.
Is any diagnosis code set?
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Repair the CVT system (Refer to GROUP 23A -
Troubleshooting, Inspection
Chart for Diagnosis Code <CVT>, GROUP
23C -Troubleshooting, Inspection Chart for Diagnosis Code ).
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The system should be turned on when the cruise control switch is operated.
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Q.
Is the system turned on by operating the cruise control switch?
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Go to Step 7 <Petrol engine>.
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Go to Step 8 <Diesel engine>.
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Refer to "When the cruise control switch is operated, the system is not turned
on."(Refer to <Petrol engine>, <Diesel
engine>)
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Using M.U.T.-III, check the data list (Refer to data list reference table ).
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- Item 75: CANCEL switch
- Item 92: SET -
switch
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Q.
Is the check result normal?
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Using M.U.T.-III, check the data list (Refer to data list reference table ).
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- Item 137: CANCEL switch.
- Item 138: SET -
switch.
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Q.
Is the check result normal?
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Q.
Is the check result normal?
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Replace the engine-ECU (Refer to GROUP 13C -
Engine-ECU <Petrol
engine>, GROUP 13D -
Engine-ECU <Diesel engine>).
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Replace the cruise control switch (Refer to ).
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(1)Drive the vehicle for approx. three minutes.
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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 ACC/FCM-ECU (Refer to ).
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