Toyota Yaris: Manual Transaxle System / How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
- The ECM of this system is connected to the CAN communication system. Therefore, before starting troubleshooting, be sure to check that there are no malfunctions in the CAN communication system.
- *: Use the GTS.
PROCEDURE
| 1. | VEHICLE BROUGHT TO WORKSHOP |
|
| 2. | CUSTOMER PROBLEM ANALYSIS |
(a) Refer to How to Troubleshoot ECU Controlled Systems in Introduction.
Click here
|
| 3. | INSPECT AUXILIARY BATTERY VOLTAGE |
Standard voltage:
11 to 14 V
HINT:
If the voltage is below 11 V, recharge or replace the auxiliary battery before proceeding.
|
| 4. | CONNECT GTS TO DLC3* |
HINT:
If the display indicates a communication fault in the GTS, inspect the DLC3.
When any CAN communication system DTCs are output, perform troubleshooting on the CAN communication system first.
|
| 5. | CHECK CAN COMMUNICATION SYSTEM* |
(a) Use the GTS to check if the CAN communication system is functioning normally.
CAN Bus CheckHINT:
-
Refer to CAN Bus Check for the CAN communication system.
Click here
- The ECM is connected to the CAN communication system. Therefore, before starting troubleshooting, make sure to check that there are no malfunctions in the CAN communications system.
| Result | Proceed to |
|---|---|
| CAN communication DTCs are not output. | A |
| CAN communication DTCs are output. | B |
| B |
 | GO TO CAN COMMUNICATION SYSTEM |
|
| 6. | CHECK AND CLEAR DTCS AND FREEZE FRAME DATA* |
(a) Check for DTCs.
Click here
(b) Check for freeze frame data.
Click here
HINT:
Record or print DTCs and freeze frame data if necessary.
(c) Clear for DTCs.
Click here
|
| 7. | PROBLEM SYMPTOM CONFIRMATION |
(a) Refer to Road Test.
Click here
| Result | Proceed to |
|---|---|
| Symptom does not occur. | A |
| Symptom occurs. | B |
| B |
 | GO TO STEP 9 |
|
| 8. | SYMPTOM SIMULATION |
(a) Refer to Symptom Simulation.
Click here
|
| 9. | CHECK FOR DTC* |
(a) Check for DTCs.
Click here
| Result | Proceed to |
|---|---|
| DTCs are not output. | A |
| DTCs are output. | B |
| B |
 | GO TO STEP 14 |
|
| 10. | PROBLEM SYMPTOMS TABLE |
(a) Refer to Problem Symptoms Table.
Click here
| Result | Proceed to |
|---|---|
| Fault is not listed in problem symptoms table. | A |
| Fault is listed in problem symptoms table. | B |
| B |
 | GO TO STEP 12 |
|
| 11. | OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) Data List / Active Test
Click here
(b) Terminals of ECM
Click here
|
| 12. | REPAIR OR REPLACEMENT |
|
| 13. | CONFIRMATION TEST |
(a) Refer to the road test section to perform a road test.
| NEXT |
 | END |
| 14. | DIAGNOSTIC TROUBLE CODE CHART |
(a) Proceed to Diagnostic Trouble Code Chart.
Click here
|
| 15. | CIRCUIT INSPECTION* |
|
| 16. | IDENTIFICATION OF PROBLEM |
| NEXT |
 | GO TO STEP 12 |
System Diagram
S..
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Fuel-Filler Lid and Cap
WARNING
When removing the fuel-filler cap, loosen the cap slightly and wait for any hissing to stop, then remove it
Fuel spray is dangerous. Fuel can burn skin and eyes and cause illness if ingested. Fuel spray is released when there is pressure in the fuel tank and the fuel-filler cap is removed too quickly.
