|
- Use M.U.T.-III to perform CAN bus line diagnosis.
|
|
Q.
Is the check result normal?
|
|
Repair CAN bus line (Refer to GROUP 54C -
Troubleshooting -
CAN
Bus Diagnosis Table ). After repairing CAN bus line, go to Step 6
.
|
|
|
|
- Confirm whether the diagnosis code is set in the ASC-ECU.
|
|
Q.
Is diagnosis code set?
|
|
Perform troubleshooting of the ASC system (Refer to GROUP 35C -
Troubleshooting,
Diagnosis Code Chart ).
|
|
|
|
Check that the other ECU performing CAN communication with ASC-ECU sets diagnosis code
No. U0121 (Refer to GROUP 54C -
CAN-related Diagnosis Code Table ).
|
|
Q.
Is diagnosis code set?
|
|
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 replace the hydraulic unit assembly (integrated with ASC-ECU) (Refer to ), 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?
|
|
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?
|
|
This diagnosis is complete.
|
|
|