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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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|
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- Confirm the diagnosis code is set from the CVT-ECU.
|
|
Q.
Is diagnosis code set?
|
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Perform troubleshooting of CVT (Refer to GROUP 23A - Diagnosis Code Chart ).
|
|
|
|
Check that the other ECU performing CAN communication with CVT-ECU sets diagnosis code
No. U0101 [Refer to GROUP 54C - CAN Communication-related Diagnosis Code (U-code)
Table ].
|
|
Q.
Is diagnosis code set?
|
|
- 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?
|
|
After replacing CVT-ECU, go to Step 6.
|
|
|
|
Intermittent malfunction in CAN bus line between engine-ECU and CVT-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?
|
|
Replace engine-ECU, go to Step 6.
|
|
|
|
Intermittent malfunction in CAN bus line between engine-ECU and CVT-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?
|