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.

    Click here 2023 - 2025 MY Corolla Corolla HV [09/2022 -        ]; 2ZR-FXE (ENGINE CONTROL): SFI SYSTEM: INITIALIZATION

  • If the swing grille actuator assembly has been replaced with a new one, perform initialization and change the grille shutter control mode.

    Click here 2023 - 2025 MY Corolla Corolla HV [09/2022 -        ]; 2ZR-FXE (ENGINE CONTROL): SFI SYSTEM: INITIALIZATION

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"

2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 -        ]; EXTERIOR PANELS / TRIM: GRILLE SHUTTER SYSTEM: Grille Shutter does not Operate

Grille shutter is half open (half closed)

Proceed to "Grille Shutter is Half Opened/Closed"

2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 -        ]; EXTERIOR PANELS / TRIM: GRILLE SHUTTER SYSTEM: Grille Shutter is Half Opened/Closed

Abnormal noise occurs during grille shutter operation

Check for ice, etc. around the shutters and links

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Radiator shutter sub-assembly

2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 -        ]; EXTERIOR PANELS / TRIM: GRILLE SHUTTER: REMOVAL