DESCRIPTION If the air inlet mode cannot be changed between recirculation/fresh or exhaust gas odors can be smelled even though recirculation mode is selected, the following factors may be the cause.
PROCEDURE
(a) Check that the No. 1 blower damper servo sub-assembly is installed correctly. OK: The No. 1 blower damper servo sub-assembly is installed correctly.
(a) Check for DTCs. Body Electrical > Air Conditioner > Trouble Codes
(a) Connect the Techstream to the DLC3. (b) Turn the engine switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Powertrain / Engine / Data List. (e) Read the Data List according to the display on the Techstream. Powertrain > Engine > Data List
OK: After warming up the engine, the temperature value displayed is within the range specified in the normal condition column.
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Roof Headlining: Components
COMPONENTS ILLUSTRATION *A w/o Front No. 3 Speaker *B w/ Front No. 3 Speaker *C for Gasoline Model *D for HV Model *1 CENTER PILLAR LOWER GARNISH LH *2 CENTER PILLAR UPPER GARNISH LH *3 COWL SIDE TRIM SUB-ASSEMBLY LH *4 FRONT DOOR OPENING TRIM WEATHERSTRIP LH *5 FRONT DOOR SCUFF PLATE LH *6 FRONT PI ...