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): Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected ...