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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 GROUP54F - Diagnosis - CAN Bus Diagnostic Chart ), and then go to Step 6 .
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- Confirm whether the diagnosis codes are output from ABS-ECU.
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Q.
Is the diagnosis code set?
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Perform the troubleshooting of ABS (Refer to GROUP 35B - Inspection Chart For Diagnosis Code ).
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Confirm whether Diagnosis Code U1102: ABS-ECU time-out is output from the following ECU having CAN communication with ABS-ECU
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- EPS-ECU
- Combination meter-ECU
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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 ABS-ECU, then go to Step 6 .
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Intermittent malfunction in CAN busline between engine-A/T-ECU and ABS-ECU (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, then go to Step 6 .
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Intermittent malfunction in CAN busline between engine-A/T-ECU and ABS-ECU (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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