- Airflow volume is constantly low
- Airflow volume sometimes becomes low
| Last Modified: 11-20-2023 | 6.11:8.1.0 | Doc ID: RM1000000015ENJ |
| Model Year Start: 2018 | Model: Camry | Prod Date Range: [06/2017 - 10/2020] |
| Title: HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM (for Automatic Air Conditioning System): Weak Blower Output; 2018 - 2020 MY Camry [06/2017 - 10/2020] | ||
|
Weak Blower Output |
DESCRIPTION
If the airflow from the front registers is weak regardless of the blower speed setting displayed on the air conditioning control panel (radio and display receiver assembly)*1 or air conditioning control assembly*2, the following suspected areas may be the cause.
|
Symptom |
Factor |
|---|---|
|
|
|
- *1: for 8 Inch Display
- *2: for 7 Inch Display
PROCEDURE
|
1. |
CHECK AIR CONDITIONING SYSTEM |
(a) Operate the blower switch with the following conditions met and check that the airflow volume changes.
|
Blower Speed |
Condition |
|---|---|
|
LO → HI |
|
OK:
Airflow volume increases.
| NG |
|
|
|
2. |
CHECK ECO MODE CONTROL OPERATION |
(a) Check that ECO mode control is disabled (ECO mode indicator is not illuminated).
(b) Operate the ECO switch assembly (electric parking brake switch assembly) and check that the ECO mode indicator illuminates and the blower speed is reduced.
HINT:
-
When ECO mode control is operating, the air conditioning amplifier assembly controls the air conditioning system to enhance fuel efficiency. Therefore, explain to the customer that, when ECO mode control is operating, the blower speed will be reduced.
Control
Outline
Blower Control
When the air conditioning system is in AUTO mode, the blower speed will be reduced to a certain speed. Additionally, if warm-up control is operating, the blower speed will be further reduced.
Air Inlet Control
If the ambient temperature is a certain value or more, the air inlet mode will be changed to recirculation mode.
- In some situations, ECO mode control may not operate even though it is enabled.
(c) Operate the ECO switch assembly (electric parking brake switch assembly) and check that the ECO mode indicator turns off and the blower speed returns to normal.
OK:
When the ECO switch assembly (electric parking brake switch assembly) is operated, ECO mode control is enabled/disabled and the blower speed is controlled.
| NG |
|
|
|
3. |
CHECK CLEAN AIR FILTER |
(a) Visually check the clean air filter.
Click here
![2018 - 2024 MY Camry [03/2017 - ]; MAINTENANCE: AIR CONDITIONING FILTER: REMOVAL](/t3Portal/stylegraphics/info.gif)
OK:
The clean air filter is not dirty or clogged.
| NG |
|
|
|
4. |
CHECK NO. 1 COOLER THERMISTOR |
(a) Check the installation condition of the No. 1 cooler thermistor.
OK:
The No. 1 cooler thermistor is installed correctly.
| NG |
|
|
|
5. |
CHECK ASPIRATOR |
(a) Check the installation condition of the aspirator.
OK:
The aspirator is installed correctly.
| OK |
|
REPLACE HEATER RADIATOR UNIT SUB-ASSEMBLY OR NO. 1 COOLER EVAPORATOR SUB-ASSEMBLY
|
| NG |
|
|
|