If the airflow from the registers is weak regardless of the blower speed setting displayed on the air conditioning control assembly, the following factors may be the cause.
| Symptom | Factor |
|---|---|
·
Airflow volume is constantly low ·
Airflow volume sometimes becomes low |
·
ECO mode control of air conditioning system is enabled ·
Blower motor with fan sub-assembly malfunction ·
Clogged clean air filter ·
Clogged No. 1 cooler evaporator sub-assembly or heater radiator unit sub-assembly fins ·
Evaporator temp. sensor (No. 1 cooler thermistor) not connected properly ·
Aspirator pipe not connected properly |
Operate the blower switch with the following conditions met and check that the airflow volume changes.
| Blower Speed | Condition |
|---|---|
| LO → HI | ·
Temperature setting: MAX COLD ·
Air outlet mode: FACE ·
A/C switch: Off |
Airflow volume increases.
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Confirm that ECO HEAT/COOL switch (air conditioning control assembly) is set to off.
Confirm that ECO drive mode is set to off.
When the ECO drive mode is set to ON, the air conditioning amplifier assembly performs minimal air conditioning control in order to promote the improvement of fuel economy. Ensure that the customer understands that the airflow volume will be decreased compared to normal operation.
| Control | Control Summary |
|---|---|
| Air Volume Control | Sets the blower level to less. |
| Proceed to |
|---|
| NEXT |
NEXT
Visually check the clean air filter.
The clean air filter is not dirty or clogging.
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Check the installation condition of the evaporator temp. sensor (No. 1 cooler thermistor).
Evaporator temp. sensor (No. 1 cooler thermistor) is installed correctly.
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Check the installation condition of the aspirator pipe.
The aspirator pipe is installed correctly.
| Proceed to |
|---|
| OK |
| NG |
OK
NG