)
| caution | Before replacing
the ECU, ensure that the power supply circuit, the earth circuit and the communication circuit
are normal. |
)
)
)
)
STEP 1. Connector check: C-104 KOS-ECU connector, C-317 ETACS-ECU connector |
Q.
Is the check result normal?
|
 Go to Step 2. |
|
 Repair the defective connector. |
|
STEP 2. Check the wiring harness between the C-104 KOS-ECU connector terminal No. 38, 39 and the C-317 ETACS-ECU connector terminal No. 10, 5 and between the C-104 KOS-ECU connector terminal No. 14 and the body earth. |
|
Q.
Is the check result normal?
|
| Go to Step 3. |
|
| Repair the wiring harness. |
|
STEP 3. Retest the system |
Q.
Is the check result normal?
|
The trouble can be an intermittent malfunction (Refer to GROUP 00 -
How
to Cope with Intermittent Malfunction  ). |
|
| Replace KOS-ECU and register the ID codes (Refer to ). |
|