Toyota Yaris: Active Torque Split Awd System / How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
- Use the following procedure listed to troubleshoot the Active Torque Split AWD System.
- *: Use the GTS.
PROCEDURE
| 1. | VEHICLE BROUGHT TO WORKSHOP |
|
| 2. | INSPECT AUXILIARY BATTERY VOLTAGE |
Standard voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the auxiliary battery before proceeding to the next step.
|
| 3. | CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM* |
(a) Use the GTS to check if the CAN communication system is functioning normally.
Click here
| Result | Proceed to |
|---|---|
| CAN DTC is not output | A |
| CAN DTC is output | B |
| B |
 | GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) |
|
| 4. | CHECK DTC AND FREEZE FRAME DATA* |
(a) Check for DTCs.
Click here
(b) Check for freeze frame data.
HINT:
Record or print DTCs and freeze frame data if necessary.
(c) Clear the DTCs and freeze frame data.
Click here
(d) Recheck for DTCs.
Click here
| Result | Proceed to |
|---|---|
| DTC does not reoccur | A |
| DTC reoccur | B |
| B |
 | GO TO STEP 8 |
|
| 5. | CHECK VEHICLE CONTROL HISTORY (ACTIVE TORQUE SPLIT AWD SYSTEM)* |
(a) Use the GTS to check the vehicle control history.
Click here
| Tester Display |
|---|
| Vehicle Control History (RoB) |
| Result | Proceed to |
|---|---|
| Vehicle control history is not output | A |
| Vehicle control history is output | B |
| B |
 | GO TO VEHICLE CONTROL HISTORY |
|
| 6. | PROBLEM SYMPTOMS TABLE |
(a) Refer to Problem Symptoms Table.
Click here
| Result | Proceed to |
|---|---|
| Fault not listed in problem symptoms table | A |
| Fault listed in problem symptoms table | B |
| B |
 | GO TO STEP 8 |
|
| 7. | OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) Terminals of ECU.
Click here
(b) Data List / Active Test.
Click here
|
| 8. | REPAIR OR REPLACE |
|
| 9. | CONFIRMATION TEST |
| NEXT |
 | END |
System Diagram
S..
Calibration
CALIBRATION NOTICE:
When the AWD ECU assembly is replaced, before removing the AWD ECU assembly, it is necessary to perform ECU Data Save to save the original AWD ECU assembly information...
Other information:
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Toyota Yaris XP210 (2020-2024) Reapir and Service Manual: Diagnostic Trouble Code Chart
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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.
