Air Vent cannot be Switched [10/2020 - ]: Procedure

1. Confirm for which seat the air outlet mode cannot be changed.

   Result

   Result	Proceed to
   The air outlet mode for the driver seat cannot be changed	A
   The air outlet mode for the front passenger seat cannot be changed
   The air outlet mode for the rear seats cannot be changed	B

Result: 

B 

See step  4

Result: 

A 

See step  2

1. Check that the No. 1 air conditioning radiator damper servo sub-assembly is installed correctly.

   OK

   The No. 1 air conditioning radiator damper servo sub-assembly is installed correctly.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

INSTALL NO. 1 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY CORRECTLY. Refer to  REASSEMBLY [10/2020 - 07/2022]  , or refer to  REASSEMBLY [07/2022 - ] 

Result: 

OK 

See step  3

1. Check for DTCs.

   Body Electrical > Air Conditioner > Trouble Codes 

   Result

   Result	Proceed to
   B1443 is not output	A
   B1443 is output	B

Result: 

A 

REPLACE AIR CONDITIONING RADIATOR ASSEMBLY. Refer to  REMOVAL [10/2018 - 07/2022]  , or refer to  REMOVAL [07/2022 - ] 

Result: 

B 

GO TO DTC B1448. Refer to  DTC B1441: Air Mix Damper Control Servo Motor Circuit (Passenger Side); DTC B1446: Air Mix Damper Control Servo Motor Circuit (Driver Side) [10/2020 - ] 

1. Check that the No. 2 air conditioning radiator damper servo sub-assembly is installed correctly.

   OK

   The No. 2 air conditioning radiator damper servo sub-assembly is installed correctly.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

INSTALL NO. 2 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY CORRECTLY. Refer to  REASSEMBLY [10/2020 - 07/2022]  , or refer to  REASSEMBLY [07/2022 - ] 

Result: 

OK 

See step  5

1. Check for DTCs.

   Body Electrical > Air Conditioner > Trouble Codes 

   Result

   Result	Proceed to
   B1449 is not output	A
   B1449 is output	B

Result: 

A 

REPLACE AIR CONDITIONING RADIATOR ASSEMBLY. Refer to  REMOVAL [10/2018 - 07/2022]  , or refer to  REMOVAL [07/2022 - ] 

Result: 

B 

GO TO DTC B1449. Refer to  DTC B1449: Air Outlet Damper Control Servo Motor Circuit (Rear) [10/2020 - ]