|
- Use M.U.T.-III to perform CAN bus line diagnosis.
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|
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 5
.
|
|
|
|
Check that the other ECU performing CAN communication with FCM-ECU sets diagnosis code
No. U15A0 (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 replacing laser radar (FCM-ECU) (Refer to GROUP 54A - FCM-LS, Laser Radar ),
go to Step 5.
|
|
|
|
Intermittent malfunction in CAN bus line between engine-ECU and FCM-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 5.
|
|
|
|
Intermittent malfunction in CAN bus line between engine-ECU and FCM-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.
|
|
|