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- Using M.U.T.-III, perform CAN busline diagnosis.
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Q.
Is the check result normal?
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Correct CAN busline (Refer to Group 54F - Diagnosis - CAN Bus
Diagnostics Chart ), and then go to Step 6 .
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- Confirm whether the diagnosis code is output from combination
meter.
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Q.
Is the diagnosis code set?
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Perform the troubleshooting of combination meter (Refer to GROUP 54A - Combination
Meter - Inspection Chart for Diagnosis Code codes ).
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Confirm whether diagnosis code U1108: combination meter time-out is output from the following
ECU having CAN communication with combination meter
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Q.
Is the diagnosis code set?
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- Reconfirm whether the diagnosis code is output from engine-A/T-ECU.
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- Erase the diagnosis code being output.
- Ignition switch: LOCK (OFF) to ON
- Confirm whether the diagnosis code is output.
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Q.
Is the diagnosis code set?
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Replace combination meter, then go to Step 6 .
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Intermittent malfunction in CAN busline between engine-A/T-ECU and combination
meter (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points ).
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- Reconfirm whether the diagnosis code is output from engine-A/T-ECU.
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- Erase the diagnosis code being output.
- Ignition switch: LOCK (OFF) to ON
- Confirm whether the diagnosis code is output.
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Q.
Is the diagnosis code set?
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Replace engine-A/T-ECU, go to Step 6 .
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Intermittent malfunction in CAN busline between engine-A/T-ECU and combination
meter (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points )
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- Reconfirm whether the diagnosis code is output from engine-A/T-ECU.
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- Erase the diagnosis code being output.
- Ignition switch: LOCK (OFF) to ON
- Confirm whether the diagnosis code is output.
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Q.
Is the diagnosis code set?
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