Last Modified: 08-21-2023 6.11:8.1.0 Doc ID: RM100000001AOTO
Model Year Start: 2019 Model: Avalon HV Prod Date Range: [04/2018 - 08/2021]
Title: EXTERIOR PANELS / TRIM: GRILLE SHUTTER SYSTEM: PROBLEM SYMPTOMS TABLE; 2019 - 2021 MY Avalon Avalon HV [04/2018 - 08/2021]

PROBLEM SYMPTOMS TABLE

NOTICE:

  • Before performing troubleshooting, change the grille shutter control mode to maintenance mode.

    Click here 2019 - 2021 MY Avalon Avalon HV [04/2018 - 08/2021]; EXTERIOR PANELS / TRIM: GRILLE SHUTTER 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 2019 - 2021 MY Avalon Avalon HV [04/2018 - 08/2021]; EXTERIOR PANELS / TRIM: GRILLE SHUTTER 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"

2019 - 2021 MY Avalon Avalon HV [04/2018 - 08/2021]; EXTERIOR PANELS / TRIM: GRILLE SHUTTER SYSTEM: Grille Shutter does not Operate

Abnormal noise occurs during grille shutter operation

Check for ice, etc. around the shutters and links

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Swing grille actuator assembly

2019 - 2021 MY Avalon Avalon HV [04/2018 - 08/2021]; EXTERIOR PANELS / TRIM: GRILLE SHUTTER: REMOVAL

Radiator shutter sub-assembly

2019 - 2021 MY Avalon Avalon HV [04/2018 - 08/2021]; EXTERIOR PANELS / TRIM: GRILLE SHUTTER: REMOVAL