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- Using M.U.T.-III, perform CAN bus line diagnosis.
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|
Q.
Is the check result normal?
|
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Correct CAN bus line (Refer to GROUP 54C -
Troubleshooting -
Can
Bus Diagnostics Table ), and then go to Step 4.
|
|
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- Confirm whether the diagnosis codes are set from AS&G-ECU.
|
|
Q.
Is the diagnosis code set?
|
|
Perform the troubleshooting of AS&G system (Refer to GROUP 17 -
Auto
Stop &
Go (AS &
G) System <M/T> -
Diagnosis Code Chart ).
|
|
|
|
Check that the other ECU performing CAN communication with AS&G-ECU sets diagnosis
code No. U1004 [Refer to GROUP 54C -
CAN communication-related Diagnosis Code
Table ].
|
|
Q.
Is the diagnosis code set?
|
|
- Reconfirm whether the diagnosis codes are set from engine-ECU
|
|
- Erase the diagnosis codes being set.
- Ignition switch: "LOCK" (OFF) to ON
- Confirm whether the diagnosis codes are set.
|
|
Q.
Is the diagnosis code set?
|
|
Intermittent malfunction in CAN bus line between engine-ECU and AS&G-ECU
(Refer to GROUP 00 -
How to Use Troubleshooting/Inspection Service Points -
How
to Cope with Intermittent Malfunction ).
|
|
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|
- After replacing the AS&G-ECU, re-check the diagnosis code set.
|
|
Q.
Is the diagnosis code set?
|