| Last Modified: 05-13-2024 | 6.11:8.1.0 | Doc ID: RM1000000025IEQ |
| Model Year Start: 2023 | Model: GR Corolla | Prod Date Range: [09/2022 - ] |
| Title: EXTERIOR PANELS / TRIM: GRILLE SHUTTER SYSTEM: PROBLEM SYMPTOMS TABLE; 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - ] | ||
PROBLEM SYMPTOMS TABLE
NOTICE:
-
Before performing troubleshooting, change the grille shutter control mode to maintenance mode.
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![2023 - 2025 MY Corolla Corolla HV [09/2022 - ]; 2ZR-FXE (ENGINE CONTROL): SFI SYSTEM: INITIALIZATION](/t3Portal/stylegraphics/info.gif)
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If the swing grille actuator assembly has been replaced with a new one, perform initialization and change the grille shutter control mode.
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HINT:
- Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
- Inspect the fuses and relays related to this system before inspecting the suspected areas below.
|
Symptom |
Suspected Area |
Link |
|---|---|---|
|
Grille shutter does not operate |
Proceed to "Grille Shutter does not Operate" |
|
|
Grille shutter is half open (half closed) |
Proceed to "Grille Shutter is Half Opened/Closed" |
|
|
Abnormal noise occurs during grille shutter operation |
Check for ice, etc. around the shutters and links |
- |
|
Radiator shutter sub-assembly |
|
|
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