Weak Blower Output [11/2022 - ]: Description

WARNING: This page is about a different car, the 2025 Toyota Corolla Cross, 2024 Toyota Corolla Cross, and 2023 Toyota Corolla Cross. However, it is still accessible from the selected car via links, so may be relevant.

If the airflow from the front 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	Blower motor with fan sub-assembly malfunction ECO mode control of air conditioning system is enabled Clogged clean air filter Clogged No. 1 cooler evaporator sub-assembly or heater radiator unit sub-assembly fins No. 1 cooler thermistor malfunction Aspirator not connected properly