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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 Diagnosis Table ). After repairing CAN bus line, go to Step
6.
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- Confirm the diagnosis code is set from the ASC-ECU.
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Q.
Is diagnosis code set?
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Perform troubleshooting of the active stability control (ASC) system (Refer to
GROUP 35C - Troubleshooting - Diagnosis Code Chart ).
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Check that the other ECU performing CAN communication with ASC-ECU sets diagnosis code
No. U0415 [Refer to GROUP 54C - CAN-related Diagnosis Code Table ].
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Q.
Is diagnosis code set?
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- Reconfirmation of diagnosis code.
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Confirm again the diagnosis code is set from the engine-ECU.
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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 set?
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After replacing ASC-ECU, go to Step 6.
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Intermittent malfunction in CAN bus line between engine-ECU and ASC-ECU (Refer
to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to
Cope with Intermittent Malfunctions ).
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|
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|
- Reconfirmation of diagnosis code.
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|
Confirm again the diagnosis code is set from the engine-ECU.
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|
- Erase the set diagnosis code.
- Ignition switch: LOCK (OFF) → ON
- Confirm whether the diagnosis code is set.
|
|
Q.
Is diagnosis code set?
|
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After replacing engine-ECU, go to Step 6.
|
|
|
|
Intermittent malfunction in CAN bus line between engine-ECU and ASC-ECU (Refer
to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to
Cope with Intermittent Malfunctions ).
|
|
|
|
- Reconfirmation of diagnosis code.
|
|
Confirm again the diagnosis code is set from the engine-ECU.
|
|
- Erase the set diagnosis code.
- Ignition switch: LOCK (OFF) → ON
- Confirm whether the diagnosis code is set.
|
|
Q.
Is diagnosis code set?
|