| Last Modified: 05-13-2024 | 6.11:8.1.0 | Doc ID: RM1000000029BRA |
| Model Year Start: 2023 | Model: Corolla Hatchback | Prod Date Range: [11/2022 - ] |
| Title: M20A-FKS (BATTERY / CHARGING): CHARGING SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING; 2023 - 2025 MY Corolla Corolla Hatchback [11/2022 - ] | ||
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HOW TO PROCEED WITH TROUBLESHOOTING |
CAUTION / NOTICE / HINT
HINT:
*: Use the GTS.
PROCEDURE
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1. |
VEHICLE BROUGHT TO WORKSHOP |
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2. |
CUSTOMER PROBLEM ANALYSIS |
HINT:
- In troubleshooting, confirm that the problem symptoms have been accurately identified. Preconceptions should be discarded in order to make an accurate judgment. To clearly understand what the problem symptoms are, it is extremely important to ask the customer about the problem and the conditions at the time the malfunction occurred.
- Gather as much information as possible for reference. Past problems that seem unrelated may also help in some cases.
-
The following 5 items are important points for problem analysis:
What
Vehicle model, system name
When
Date, time, occurrence frequency
Where
Road conditions
Under what conditions?
Running conditions, driving conditions, weather conditions
How did it happen?
Problem symptoms
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3. |
INSPECT BATTERY VOLTAGE |
(a) Measure the battery voltage.
Standard Voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.
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4. |
INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM* |
(a) Check if CAN communication DTCs are output.
Click here
![2023 MY Corolla Corolla Hatchback GR Corolla [11/2022 - 08/2023]; NETWORKING: CAN COMMUNICATION SYSTEM (for Gasoline Model): HOW TO PROCEED WITH TROUBLESHOOTING](/t3Portal/stylegraphics/info.gif)
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Result |
Proceed to |
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CAN communication DTCs are not output. |
A |
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CAN communication DTCs are output. |
B |
| B |
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GO TO CAN COMMUNICATION SYSTEM
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5. |
CHECK FOR DTC* |
HINT:
Refer to DTC Check / Clear.
Click here
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Result |
Proceed to |
|---|---|
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DTCs are not output. |
A |
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DTCs are output. |
B |
| B |
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6. |
REFER TO PROBLEM SYMPTOMS TABLE |
HINT:
Refer to Problem Symptoms Table.
Click here
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Result |
Proceed to |
|---|---|
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Malfunctioning parts are not confirmed. |
A |
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Malfunctioning parts are confirmed. |
B |
| B |
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7. |
OVERALL ANALYSIS AND TROUBLESHOOTING* |
HINT:
Refer to Data List / Active Test.
Click here
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Result |
Proceed to |
|---|---|
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Malfunctioning parts are not confirmed. |
A |
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Malfunctioning parts are confirmed. |
B |
| B |
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8. |
CHECK ECM CIRCUIT |
HINT:
Refer to Terminals of ECM.
Click here
| NG |
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9. |
CHECK FOR INTERMITTENT PROBLEMS |
HINT:
Refer to Symptom Simulation.
Click here
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10. |
CONDUCT PARTS INSPECTION |
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11. |
IDENTIFY PROBLEM |
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12. |
ADJUST AND/OR REPAIR |
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13. |
CONDUCT CONFIRMATION TEST |
| NEXT |
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END |
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