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), the following factors may be the cause.
PROCEDURE
(a) Operate the blower switch with the following conditions met and check that the airflow volume changes.
OK: Airflow volume increases.
(a) Check if the ECO mode indicator is off. OK: The ECO mode indicator is off.
(a) Operate the ECO switch assembly (electric parking brake switch assembly) and check that the ECO mode indicator turns off and the blower speed reduction is canceled. HINT:
(a) Visually check the clean air filter. Click here OK: The clean air filter is not dirty or clogged.
(a) Check the installation condition of the No. 1 cooler thermistor. OK: The No. 1 cooler thermistor is installed correctly.
(a) Check the installation condition of the aspirator. OK: The aspirator is installed correctly.
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Pre-collision System(for Hv Model): Data List / Active Test
DATA LIST / ACTIVE TEST DATA LIST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not. HINT: Using the Techstream to read the Data List allows the values or states of ...