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 > Smart Key System(for Entry Function, Gasoline Model): Open in Outside Luggage Compartment Electrical Key Antenna Circuit (B27A8)
DESCRIPTION The certification ECU (smart key ECU assembly) generates a request signal and transmits the signal to the electrical key antenna (outside luggage compartment). For the electrical key antenna (outside luggage compartment) to detect when the electrical key transmitter sub-assembly is broug ...