| Last Modified: 05-13-2024 | 6.11:8.1.0 | Doc ID: RM100000001GCNI |
| Model Year Start: 2020 | Model: Corolla | Prod Date Range: [01/2019 - 09/2022] |
| Title: HYBRID / BATTERY CONTROL: MOTOR GENERATOR CONTROL SYSTEM (for NICKEL METAL HYDRIDE BATTERY): HOW TO PROCEED WITH TROUBLESHOOTING; 2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022] | ||
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HOW TO PROCEED WITH TROUBLESHOOTING |
CAUTION / NOTICE / HINT
HINT:
- *: Use the Techstream
- Use the following procedure to troubleshoot the motor generator control system.
PROCEDURE
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1. |
VEHICLE BROUGHT TO WORKSHOP |
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2. |
CUSTOMER PROBLEM ANALYSIS |
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3. |
CONNECT TECHSTREAM TO THE DLC3* |
HINT:
If the Techstream indicates a communication error, inspect the DLC3.
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4. |
CHECK DTC AND FREEZE FRAME DATA* |
Click here
![2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022]; HYBRID / BATTERY CONTROL: MOTOR GENERATOR CONTROL SYSTEM (for NICKEL METAL HYDRIDE BATTERY): DTC CHECK / CLEAR](/t3Portal/stylegraphics/info.gif)
HINT:
Make sure to save freeze frame data because the data is necessary for performing simulation tests.
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5. |
CLEAR DTC AND FREEZE FRAME DATA* |
Click here
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6. |
CONDUCT VISUAL INSPECTION |
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7. |
CONFIRM PROBLEM SYMPTOMS |
HINT:
If the hybrid vehicle control system does not start, perform steps 9 and 11 first.
| Malfunction occurs. |
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8. |
DUPLICATE CONDITIONS THAT PRODUCE SYMPTOMS |
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9. |
CHECK FOR DTCS* |
Click here
| DTCs are not output. |
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10. |
REFER TO DTC CHART |
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11. |
CONDUCT CIRCUIT INSPECTION |
| Malfunction confirmed. |
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12. |
CHECK FOR INTERMITTENT PROBLEMS |
Click here
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13. |
IDENTIFY PROBLEM |
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14. |
ADJUST AND/OR REPAIR |
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15. |
CONDUCT CONFIRMATION TEST |
| NEXT |
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END |
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16. |
CONDUCT BASIC INSPECTION |
| Malfunctioning parts confirmed. |
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17. |
CHECK ECU POWER SOURCE CIRCUIT |
| NEXT |
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18. |
CONDUCT PARTS INSPECTION |
| NEXT |
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