|
- 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 Diagnostics Table ). After repairing CAN bus line,
go to Step 6.
|
|
|
|
- Confirm the diagnosis code is set from the ABS-ECU.
|
|
Q.
Is diagnosis code set?
|
|
Perform troubleshooting of the anti-lock brake system (ABS) (Refer to GROUP 35B -
Diagnosis
Code Chart ).
|
|
|
|
Check that the other ECU performing CAN communication with ABS-ECU sets diagnosis code
No. U0121 [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 ABS-ECU, go to Step 6.
|
|
|
|
Intermittent malfunction in CAN bus line between engine-ECU and ABS-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?
|
|
After replacing engine-ECU, go to Step 6.
|
|
|
|
Intermittent malfunction in CAN bus line between engine-ECU and ABS-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?
|