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- Use M.U.T.-III to perform CAN bus line diagnosis.
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Q.
Is the check result normal?
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Repair CAN bus line (Refer to GROUP 54C - Troubleshooting - CAN Bus Diagnostics Table ).
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Check that the other ECU performing CAN communication with ETACS-ECU sets diagnosis code No. U0141, U1109.
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Q.
Is diagnosis code set?
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- Erase the set diagnosis code.
- Ignition switch: "LOCK" (OFF) → "ON"
- Confirm whether the diagnosis code is set.
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Q.
Is diagnosis code No.U0141 set?
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Intermittent malfunction in CAN bus line between A/T-ECU and ETACS-ECU (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunctions ).
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- Erase the set diagnosis code.
- Ignition switch: "LOCK" (OFF) → "ON"
- Confirm whether the diagnosis code is set.
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Q.
Is diagnosis code No.U0141 set?
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Intermittent malfunction in CAN bus line between A/T-ECU and ETACS-ECU (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunctions ).
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