Air Vent cannot be Switched [09/2022 - ]: Procedure

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 [09/2022 - ]

Result: 

OK 

See step  2

1. Check for DTCs.

   Body Electrical > Air Conditioner > Trouble Codes 

   Result

   Result	Proceed to
   B1402-87 and B1403-7F are not output	A
   B1402-87 is output	B
   B1403-7F is output	C

Result: 

A 

REPLACE AIR CONDITIONING RADIATOR ASSEMBLY 

Refer to REMOVAL [09/2022 - 11/2022] , or refer to REMOVAL [11/2022 - 09/2024] , or refer to REMOVAL [09/2024 - ]

Result: 

B 

GO TO DTC B1402-87 

Refer to DTC B1402-87: Lost Communication with Front Air Outlet Damper Control Servo Motor LIN Missing Message [09/2022 - ]

Result: 

C 

GO TO DTC B1403-7F 

Refer to DTC B1403-7F: Front Air Outlet Damper Control Servo Motor Actuator Stuck Off [09/2022 - ]