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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 6.
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Using M.U.T.-III, perform diesel fuel system diagnosis code (Refer to GROUP 13D - Troubleshooting,
Diagnosis Function ).
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Q.
Is diagnosis code No.U0141 set?
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Repair the diesel fuel system (Refer to GROUP 13D - Troubleshooting,
Diagnosis Code Procedures, Code No.U0141: ETACS-ECU Time-out ). Then go
to Step 6.
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Using M.U.T.-III, perform ETACS system diagnosis code (Refer to GROUP 54A - ETACS,
Troubleshooting, Diagnosis Function).
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Q.
Is diagnosis code No.U0155 set?
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Repair the ETACS system (Refer to GROUP 54A - Troubleshooting, Diagnosis
Code Procedures, Code No.U0155: Combination Meter-ECU CAN Communication Timeout). Then go to
Step 6.
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Using M.U.T.-III, check the combination meter system actuator test (Refer to GROUP 54A - Combination
Meter, Troubleshooting, Actuator Test 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, Troubleshooting, Symptom Procedures, Inspection Procedure 4). Then go to Step 6.
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Q.
When the speed limiter ON/OFF switch is turned ON, is the speed limiter 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 13D - Engine-ECU ).
Then go to Step 6.
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Q.
When the speed limiter ON/OFF switch is turned ON, is the speed limiter display
screen displayed?
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The procedure is complete.
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