DESCRIPTION This DTC are stored when a malfunction occurs in the stereo component equalizer assembly.
PROCEDURE
(a) Clear the DTCs. Body Electrical > Active Noise Control > Clear DTCs
(a) Check for DTCs. Body Electrical > Active Noise Control > Trouble CodesOK: DTC B1AA044 is not output.
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Lighting System(for Gasoline Model Without Cornering Light): Operation Check
OPERATION CHECK AUTOMATIC LIGHT CONTROL SYSTEM OPERATION CHECK NOTICE: Make sure that the customize settings are set to default when performing the automatic light control system operation check. Click here (a) Turn the engine switch on (IG). (b) Turn the light control switch to the AUTO position. ( ...