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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 whether the diagnosis code is set in the ASC-ECU.
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Q.
Is diagnosis code set?
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Perform troubleshooting of the 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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Confirm again whether the diagnosis code is set in 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 replace the hydraulic unit assembly (integrated with ASC-ECU) (Refer to ),
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).
|
|
|
|
Confirm again whether the diagnosis code is set in 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 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).
|
|
|
|
Confirm again whether the diagnosis code is set in 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?
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|
This diagnosis is complete.
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