DIAGNOSIS PROCEDURE |
STEP 1. M.U.T.-III data list |
Q.
Is the check result normal?
|
Intermittent malfunction (Refer to
GROUP 00 - How to Use Troubleshooting/Inspection
Service Points - How to Cope with Intermittent Malfunctions ). |
|
Go to Step 2 . |
|
STEP 2. Connector check: B-31 electronic-controlled throttle valve connector |
Q.
Is the check result normal?
|
Go to Step 3 . |
|
Repair
or replace the connector. |
|
STEP 3. Perform voltage measurement at B-31 electronic-controlled throttle valve connector. |
|
OK: 4.9 - 5.1 V |
Q.
Is the check result normal?
|
Go to Step 7 . |
|
Go to Step 4 . |
|
STEP 4. Connector check: D-246 engine-ECU <M/T> connector or D-217 engine-A/T-ECU <A/T> connector |
Q.
Is the check result normal?
|
Go to Step 5 . |
|
Repair
or replace the connector. |
|
STEP 5. Check harness between B-31 (terminal No. 2) electronic-controlled throttle valve connector and D-246 (terminal No. 106) engine-ECU <M/T> connector or D-217 (terminal No. 106) engine-A/T-ECU <A/T> connector. |
|
Q.
Is the check result normal?
|
Go to Step 6 . |
|
Repair
the damaged harness wire. |
|
STEP 6. M.U.T.-III data list |
Q.
Is the check result normal?
|
Intermittent malfunction (Refer to
GROUP 00 - How to Use Troubleshooting/Inspection
Service Points - How to Cope with Intermittent Malfunctions ). |
|
Replace the engine-ECU <M/T>
or engine-A/T-ECU <A/T>. |
|
STEP 7. Connector check: D-246 engine-ECU <M/T> connector or D-217 engine-A/T-ECU <A/T> connector |
Q.
Is the check result normal?
|
Go to Step 8 . |
|
Repair
or replace the connector. |
|
STEP 8. Check harness between B-31 (terminal No. 2) electronic-controlled throttle valve connector and D-246 (terminal No. 106) engine-ECU <M/T> connector or D-217 (terminal No. 106) engine-A/T-ECU <A/T> connector. |
|
Q.
Is the check result normal?
|
Go to Step 9 . |
|
Repair
the damaged harness wire. |
|
STEP 9. Check harness between B-31 (terminal No. 3) electronic-controlled throttle valve connector and D-246 (terminal No. 113) engine-ECU <M/T> connector or D-217 (terminal No. 113) engine-A/T-ECU <A/T> connector |
|
Q.
Is the check result normal?
|
Go to Step 10 . |
|
Repair
the damaged harness wire. |
|
STEP 10. Replace the electronic-controlled throttle valve |
|
Q.
Is the check result normal?
|
Check
end. |
|
Replace the engine-ECU <M/T>
or engine-A/T-ECU <A/T>. |
|