| Last Modified: 05-13-2024 | 6.11:8.1.0 | Doc ID: RM1000000025IF4 |
| Model Year Start: 2023 | Model: GR Corolla | Prod Date Range: [09/2022 - ] |
| Title: EXTERIOR PANELS / TRIM: GRILLE SHUTTER SYSTEM: Grille Shutter is Half Opened/Closed; 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - ] | ||
|
Grille Shutter is Half Opened/Closed |
DESCRIPTION
The radiator shutter sub-assembly may be half open (half closed) due to foreign matter, such as snow or dirt.
CAUTION / NOTICE / HINT
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](/t3Portal/stylegraphics/info.gif)
-
If the radiator shutter sub-assembly has been replaced with a new one, perform initialization and change the grille shutter control mode.
Click here
PROCEDURE
|
1. |
PERFORM UTILITY USING GTS (SWITCH GRILLE SHUTTER CONTROL MODE) |
(a) According to the display on the GTS, change the grille shutter control mode from normal mode to maintenance mode.
Click here
Powertrain > Engine > Utility
|
Tester Display |
|---|
|
Switch Grille Shutter Control Mode |
(b) Read the Data List according to the display on the GTS.
Powertrain > Engine > Data List
|
Tester Display |
Measurement Item |
Range |
Normal Condition |
Diagnostic Note |
|---|---|---|---|---|
|
Grille Shutter Control Mode |
Grille shutter control mode status |
Normal or Maintenance |
|
- |
Powertrain > Engine > Data List
|
Tester Display |
|---|
|
Grille Shutter Control Mode |
(c) Check that "Maintenance" is displayed for Data List item "Grille Shutter Control Mode".
|
|
2. |
CHECK FOR FOREIGN OBJECT |
(a) Check that the radiator shutter sub-assembly is free of foreign matter and ice.
OK:
The radiator shutter sub-assembly is free of foreign matter and ice.
| NG |
|
FOREIGN OBJECT (REMOVE FOREIGN MATTER AND/OR ICE) |
|
|
3. |
PERFORM UTILITY USING GTS (GRILLE SHUTTER INITIALIZATION) |
HINT:
When changing the grille shutter control mode and/or performing initialization by driving the vehicle, the grille shutter control mode can only be changed and initialization can only be performed if the grille shutter system is in maintenance mode.
Click here
(a) According to the display on the GTS, perform Grille Shutter Initialization.
Powertrain > Engine > Utility
|
Tester Display |
|---|
|
Grille Shutter Initialization |
|
|
4. |
PERFORM ACTIVE TEST USING GTS (CONTROL THE GRILLE SHUTTER) |
(a) Use the GTS to perform Active Test to operate the grille shutter and remove any foreign matter.
HINT:
If foreign matter is trapped on the opening side, move the grille shutter in the closing direction. If foreign matter is trapped on the closing side, move the grille shutter in the opening direction.
Powertrain > Engine > Active Test
|
Tester Display |
Measurement Item |
Control Range |
Diagnostic Note |
|---|---|---|---|
|
Control the Grille Shutter |
Control the swing grille actuator |
0% (open) to 100% (close) |
Perform this test when the following conditions are met:
|
|
|
5. |
PERFORM UTILITY USING GTS (SWITCH GRILLE SHUTTER CONTROL MODE) |
(a) According to the display on the GTS, change the grille shutter control mode from maintenance mode to normal mode.
Click here
Powertrain > Engine > Utility
|
Tester Display |
|---|
|
Switch Grille Shutter Control Mode |
(b) Read the Data List according to the display on the GTS.
Powertrain > Engine > Data List
|
Tester Display |
Measurement Item |
Range |
Normal Condition |
Diagnostic Note |
|---|---|---|---|---|
|
Grille Shutter Control Mode |
Grille shutter control mode |
Normal or Maintenance |
Normal: Normal mode Maintenance: Maintenance mode |
- |
Powertrain > Engine > Data List
|
Tester Display |
|---|
|
Grille Shutter Control Mode |
(c) Check that "Normal" is displayed for Data List item "Grille Shutter Control Mode".
| NEXT |
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END |
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