Air Vent cannot be Switched [03/2017 - 08/2021]: Procedure

1. Choose the model to be inspected.

   Result

   Result	Proceed to
   for Dual Type	A
   for Single Type	B

Result: 

B 

See step  5

Result: 

A 

See step  2

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

   Result

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

Result: 

A 

See step  5

Result: 

B 

See step  3

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. Refer to  REASSEMBLY [03/2017 - 06/2017]  , or refer to  REASSEMBLY [06/2017 - 10/2020]  , or refer to  REASSEMBLY [10/2020 - ] 

Result: 

OK 

See step  4

1. Connect the GTS to the DLC3.
2. Turn the ignition switch to ON.
3. Turn the GTS on.
4. Enter the following menus: Body Electrical / Air Conditioner / Trouble Codes.
5. 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 [03/2017 - 06/2017]  , or refer to  REMOVAL [06/2017 - 09/2019]  , or refer to  REMOVAL [09/2019 - 03/2020]  , or refer to  REMOVAL [03/2020 - 10/2020]  , or refer to  REMOVAL [10/2020 - ] 

Result: 

B 

GO TO DTC B1449. Refer to  DTC B1449: Air Outlet Damper Control Servo Motor Circuit (Rear) [03/2017 - ] 

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. Refer to  REASSEMBLY [03/2017 - 06/2017]  , or refer to  REASSEMBLY [06/2017 - 10/2020]  , or refer to  REASSEMBLY [10/2020 - ] 

Result: 

OK 

See step  6

1. Connect the GTS to the DLC3.
2. Turn the ignition switch to ON.
3. Turn the GTS on.
4. Enter the following menus: Body Electrical / Air Conditioner / Trouble Codes.
5. 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 [03/2017 - 06/2017]  , or refer to  REMOVAL [06/2017 - 09/2019]  , or refer to  REMOVAL [09/2019 - 03/2020]  , or refer to  REMOVAL [03/2020 - 10/2020]  , or refer to  REMOVAL [10/2020 - ] 

Result: 

B 

GO TO DTC B1443. Refer to  DTC B1443: Air Outlet Damper Control Servo Motor Circuit [03/2017 - ]