EXTERIOR PANELS / TRIM: GRILLE SHUTTER SYSTEM: PROBLEM SYMPTOMS TABLE; 2020 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [01/2019 - 09/2022]

Last Modified: 05-13-2024	6.11:8.1.0	Doc ID: RM100000001GMTC
Model Year Start: 2020	Model: GR Corolla	Prod Date Range: [01/2019 - 09/2022]
Title: EXTERIOR PANELS / TRIM: GRILLE SHUTTER SYSTEM: PROBLEM SYMPTOMS TABLE; 2020 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [01/2019 - 09/2022]

PROBLEM SYMPTOMS TABLE

NOTICE:

Before performing troubleshooting, change the grille shutter control mode to maintenance mode.
Click here
If the swing grille actuator assembly has been replaced with a new one, perform initialization and change the grille shutter control mode.
Click here

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"
Abnormal noise occurs during grille shutter operation	Check for ice, etc. around the shutters and links	-
	Swing grille actuator assembly
	Radiator shutter sub-assembly