| Last Modified: 08-21-2023 | 6.11:8.1.0 | Doc ID: RM100000001YB88 |
| Model Year Start: 2022 | Model: Avalon HV | Prod Date Range: [08/2021 - ] |
| Title: EXTERIOR PANELS / TRIM: GRILLE SHUTTER SYSTEM: Grille Shutter is Half Opened/Closed; 2022 MY Avalon Avalon HV [08/2021 - ] | ||
|
Grille Shutter is Half Opened/Closed |
DESCRIPTION
The grille shutter of the radiator shutter sub-assembly may only half open/close when dirty due to foreign matter, snow, mud, etc.
CAUTION / NOTICE / HINT
NOTICE:
-
Before performing troubleshooting, change the grille shutter control mode to maintenance mode.
Click here
![2022 MY Avalon HV [08/2021 - ]; A25A-FXS (ENGINE CONTROL): SFI SYSTEM: INITIALIZATION](/t3Portal/stylegraphics/info.gif)
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If the radiator shutter assembly has been replaced with a new one, perform initialization and change the grille shutter control mode.
Click here
PROCEDURE
|
1. |
PERFORM UTILITY USING TECHSTREAM (SWITCH GRILLE SHUTTER CONTROL MODE) |
(a) According to the display on the Techstream, change the grille shutter control mode from normal mode to maintenance mode.
Powertrain > Engine > Utility
|
Tester Display |
|---|
|
Switch Grille Shutter Control Mode |
|
|
2. |
CHECK FOR GRILLE SHUTTER (FOREIGN MATTER AND ICE) |
(a) Check the area around the shutters and the links of the grille shutter for foreign matter and ice.
OK:
The radiator shutter sub-assembly is free of foreign matter and ice.
| NG |
|
|
|
3. |
INITIALIZE GRILLE SHUTTER SYSTEM |
(a) According to the display on the Techstream, perform initialization (nominal torque).
Powertrain > Engine > Utility
|
Tester Display |
|---|
|
Grille Shutter Initialization |
|
|
4. |
PERFORM ACTIVE TEST USING TECHSTREAM |
(a) Using the Techstream, operate the grille shutter by performing an Active Test and remove any foreign matter.
HINT:
When foreign matter is jammed with the grille shutter open, perform a close operation. When foreign matter is jammed with the grille shutter closed, perform an open operation.
Powertrain > Engine > Active Test
|
Tester Display |
Measurement Item |
Control Range |
Diagnostic Note |
|---|---|---|---|
|
Control the Grille Shutter |
Control the swing grille actuator assembly |
0% (open) to 100% (close) |
Perform this test when the following conditions are met:
|
Powertrain > Engine > Active Test
|
Tester Display |
|---|
|
Control the Grille Shutter |
|
|
5. |
READ VALUE USING TECHSTREAM (GRILLE SHUTTER CONTROL MODE) |
(a) According to the display on the Techstream, change the grille shutter control mode from maintenance mode to normal mode.
Powertrain > Engine > Utility
|
Tester Display |
|---|
|
Switch Grille Shutter Control Mode |
(b) Read the value displayed on the Techstream.
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 |
Normal: Normal mode Maintenance: Maintenance mode |
- |
Powertrain > Engine > Data List
|
Tester Display |
|---|
|
Grille Shutter Control Mode |
OK:
Normal is displayed.
| NEXT |
|
END |
|
6. |
REMOVE FOREIGN MATTER OR ICE (CLEAN GRILLE SHUTTER) |
(a) Remove any foreign matter and/or ice from the area around the shutters and the links of the grille shutter.
| NEXT |
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