HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM (except TMC Made, and Gasoline Model, with Automatic Air Conditioning System): Air Vent cannot be Switched; 2023 MY Corolla Corolla Hatchback GR Corolla [09/2022

Last Modified: 07-31-2024	6.11:8.1.0	Doc ID: RM1000000025R2S
Model Year Start: 2023	Model: GR Corolla	Prod Date Range: [09/2022 - 11/2022]
Title: HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM (except TMC Made, and Gasoline Model, with Automatic Air Conditioning System): Air Vent cannot be Switched; 2023 MY Corolla Corolla Hatchback GR Corolla [09/2022 - 11/2022]

Air Vent cannot be Switched

DESCRIPTION

If the air outlet mode does not change even though the air outlet display changes, the following factors may be the cause.

Symptom	Factor
Air outlet mode cannot be changed (Air outlet display changes)	No. 1 air conditioning radiator damper servo sub-assembly malfunction Damper link disconnection Air conditioner unit assembly malfunction

1.	CHECK NO. 1 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY

(a) 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.

2.	CHECK FOR DTC

(a) Connect the Techstream to the DLC3.

(b) Turn the engine switch on (IG).

(d) Enter the following menus: Body Electrical / Air Conditioner / Trouble Codes.

(e) Check for DTCs.

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