| Last Modified: 07-31-2024 | 6.11:8.1.0 | Doc ID: RM100000001N32H |
| Model Year Start: 2021 | Model: Corolla | Prod Date Range: [04/2020 - 09/2022] |
| Title: HYBRID / BATTERY CONTROL: MOTOR GENERATOR CONTROL SYSTEM (for LITHIUM-ION BATTERY with P610): HOW TO PROCEED WITH TROUBLESHOOTING; 2021 - 2022 MY Corolla Corolla HV [04/2020 - 09/2022] | ||
|
HOW TO PROCEED WITH TROUBLESHOOTING |
CAUTION / NOTICE / HINT
HINT:
- *: Use the Techstream
- Use the following procedure to troubleshoot the motor generator control system.
PROCEDURE
|
1. |
VEHICLE BROUGHT TO WORKSHOP |
|
|
2. |
CUSTOMER PROBLEM ANALYSIS |
|
|
3. |
CONNECT TECHSTREAM TO THE DLC3* |
HINT:
If the Techstream indicates a communication error, inspect the DLC3.
|
|
4. |
CHECK DTC AND FREEZE FRAME DATA* |
Click here
![2021 - 2022 MY Corolla Corolla HV [04/2020 - 09/2022]; HYBRID / BATTERY CONTROL: MOTOR GENERATOR CONTROL SYSTEM (for LITHIUM-ION BATTERY with P610): DTC CHECK / CLEAR](/t3Portal/stylegraphics/info.gif)
HINT:
Make sure to save freeze frame data because the data is necessary for performing simulation tests.
|
|
5. |
CLEAR DTC AND FREEZE FRAME DATA* |
Click here
|
|
6. |
CONDUCT VISUAL INSPECTION |
|
|
7. |
CONFIRM PROBLEM SYMPTOMS |
HINT:
If the hybrid vehicle control system does not start, perform steps 9 and 11 first.
| Malfunction occurs. |
|
|
|
8. |
DUPLICATE CONDITIONS THAT PRODUCE SYMPTOMS |
|
|
9. |
CHECK FOR DTCS* |
Click here
| DTCs are not output. |
|
|
|
10. |
REFER TO DTC CHART |
|
|
11. |
CONDUCT CIRCUIT INSPECTION |
| Malfunction confirmed. |
|
|
|
12. |
CHECK FOR INTERMITTENT PROBLEMS |
Click here
|
|
13. |
IDENTIFY PROBLEM |
|
|
14. |
ADJUST AND/OR REPAIR |
|
|
15. |
CONDUCT CONFIRMATION TEST |
| NEXT |
|
END |
|
16. |
CONDUCT BASIC INSPECTION |
| Malfunctioning parts confirmed. |
|
|
|
17. |
CHECK ECU POWER SOURCE CIRCUIT |
| NEXT |
|
|
18. |
CONDUCT PARTS INSPECTION |
| NEXT |
|
|
|