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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 ). After repairing CAN bus line, go to
Step 6.
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- Confirm whether the diagnosis code is set in ETACS-ECU.
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Q.
Is diagnosis code set?
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Perform troubleshooting of ETACS (Refer to GROUP 54A - ETACS - Diagnosis
Code Chart ).
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Check that the other ECU performing CAN communication with ETACS-ECU sets diagnosis code
No. U0141 [Refer to GROUP 54C - CAN Communication-related Diagnosis Code (U-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 whether the diagnosis code is set in the A/T-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 the ETACS-ECU, go to Step 6.
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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).
|
|
|
|
- Reconfirmation of diagnosis code.
|
|
Confirm again whether the diagnosis code is set in the A/T-ECU.
|
|
- Erase the set diagnosis code.
- Ignition switch: LOCK (OFF) → ON
- Confirm whether the diagnosis code is set.
|
|
Q.
Is diagnosis code set?
|
|
After replacing the A/T-ECU, go to Step 6.
|
|
|
|
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).
|
|
|
|
- Reconfirmation of diagnosis code.
|
|
Confirm again whether the diagnosis code is set in the A/T-ECU.
|
|
- Erase the set diagnosis code.
- Ignition switch: LOCK (OFF) → ON
- Confirm whether the diagnosis code is set.
|
|
Q.
Is diagnosis code set?
|