Grille Shutter does not Operate [12/2021 - ]: Procedure

1. Check that the radiator shutter assembly is free of foreign matter and ice.

   OK

   The radiator shutter assembly is free of foreign matter and ice.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

FOREIGN OBJECT (REMOVE FOREIGN MATTER AND/OR ICE) 

Result: 

OK 

See step  2

1. Remove the radiator shutter assembly.

   Refer to REMOVAL [12/2021 - ]

2. Manually open and close the radiator shutter assembly and check that it moves smoothly.

   OK

   The radiator shutter assembly moves smoothly.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE RADIATOR SHUTTER ASSEMBLY 

Refer to REMOVAL [12/2021 - ]

Result: 

OK 

See step  3

1. Clear the DTCs.

   Powertrain > Engine > Clear DTCs 

2. Turn the power switch off and wait for at least 30 seconds.

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  4

1. Check for DTCs.

   Powertrain > Engine > Trouble Codes 

   OK

   DTCs are not output.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

GO TO SFI SYSTEM 

Refer to DIAGNOSTIC TROUBLE CODE CHART [12/2021 - 10/2022] , or refer to DIAGNOSTIC TROUBLE CODE CHART [10/2022 - 11/2024] , or refer to DIAGNOSTIC TROUBLE CODE CHART [11/2024 - ]

Result: 

OK 

See step  5

1. Disconnect the A108 radiator shutter assembly connector.
2. Turn the power switch on (IG).
3. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Switch Condition	Specified Condition
   A108-1 (+B) - A108-3 (GND)	Power switch ON	11 to 14 V

   Result

   Proceed to
   OK
   NG

Result: 

OK 

END (TEMPORARILY NOT OPERABLE DUE TO FAIL-SAFE (TEMPERATURE ABNORMALITY)) 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR