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Home >> Toyota >> 2024 >> Corolla LE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 95 (Heating / Air Conditioning System (HEV) - Diagnostic Codes (2 Of 2), Circuit Tests & Symptom Tests) >> AIR CONDITIONING SYSTEM (for HV Model) >> Weak Blower Output [01/2019 - 09/2022] >> Description

Weak Blower Output [01/2019 - 09/2022]: Description

WARNING: This page is about a different variant/trim than selected.

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