- (Air outlet display changes)
| Last Modified: 07-31-2024 | 6.11:8.1.0 | Doc ID: RM100000001H981 |
| Model Year Start: 2020 | Model: Corolla | Prod Date Range: [01/2019 - 09/2022] |
| Title: HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM (for HV Model): Air Vent cannot be Switched; 2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022] | ||
|
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 |
|
- *: for Cold Area Spec.
PROCEDURE
|
1. |
CONFIRM MODEL |
(a) Choose the model to be inspected.
|
Result |
Proceed to |
|---|---|
|
except Cold Area Spec. |
A |
|
for Cold Area Spec. |
B |
| B |
|
|
|
2. |
CHECK AIR OUTLET SERVO MOTOR |
(a) Confirm for which seat the air outlet mode cannot be changed.
|
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 |
B |
| A |
|
| B |
|
|
3. |
CHECK AIR OUTLET SERVO MOTOR |
(a) Confirm for which seat the air outlet mode cannot be changed.
|
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 |
B |
|
The air outlet mode for the rear seats cannot be changed |
C |
| B |
|
| C |
|
|
|
4. |
CHECK NO. 3 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY |
(a) Check that the No. 3 air conditioning radiator damper servo sub-assembly is installed correctly.
OK:
The No. 3 air conditioning radiator damper servo sub-assembly is installed correctly.
| NG |
|
INSTALL NO. 3 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY
|
![2020 - 2021 MY Corolla Corolla Hatchback Corolla HV GR Corolla [01/2019 - 06/2020]; HEATING / AIR CONDITIONING: AIR CONDITIONING UNIT: REASSEMBLY](/t3Portal/stylegraphics/info.gif)
|
|
5. |
CHECK FOR DTC |
(a) Connect the Techstream to the DLC3.
(b) Turn the power switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Air Conditioner / Trouble Codes.
(e) Check for DTCs.
Body Electrical > Air Conditioner > Trouble Codes
|
Result |
Proceed to |
|---|---|
|
B1443 is not output |
A |
|
B1443 is output |
B |
| A |
|
REPLACE AIR CONDITIONING RADIATOR ASSEMBLY
|
| B |
|
|
6. |
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.
| NG |
|
INSTALL NO. 1 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY
|
|
|
7. |
CHECK FOR DTC |
(a) Connect the Techstream to the DLC3.
(b) Turn the power switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Air Conditioner / Trouble Codes.
(e) Check for DTCs.
Body Electrical > Air Conditioner > Trouble Codes
|
Result |
Proceed to |
|---|---|
|
B1448 is not output |
A |
|
B1448 is output |
B |
| A |
|
REPLACE AIR CONDITIONING RADIATOR ASSEMBLY
|
| B |
|
|
8. |
CHECK NO. 2 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY |
(a) 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.
| NG |
|
INSTALL NO. 2 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY
|
|
|
9. |
CHECK FOR DTC |
(a) Connect the Techstream to the DLC3.
(b) Turn the power switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Air Conditioner / Trouble Codes.
(e) Check for DTCs.
Body Electrical > Air Conditioner > Trouble Codes
|
Result |
Proceed to |
|---|---|
|
B1449 is not output |
A |
|
B1449 is output |
B |
| A |
|
REPLACE AIR CONDITIONING RADIATOR ASSEMBLY
|
| B |
|
|
|