REMOVAL PROCEDURE 1. CHANGE POWER TILT AND POWER TELESCOPIC STEERING COLUMN SYSTEM SETTINGS (for Power Tilt and Power Telescopic Steering Column) Click here 2. REMOVE LOWER STEERING COLUMN COVER Click here 3. REMOVE UPPER STEERING COLUMN COVER Click here 4. REMOVE TURN SIGNAL SWITCH
(b) Using a screwdriver with its tip wrapped with protective tape, disengage the claw and remove the turn signal switch as shown in the illustration. 
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Active Noise Control System: ANC ECU EEPROM Data Memory Failure (B1AA044)
DESCRIPTION This DTC are stored when a malfunction occurs in the stereo component equalizer assembly. DTC No. Detection Item DTC Detection Condition Trouble Area B1AA044 ANC ECU EEPROM Data Memory Failure Stereo component equalizer assembly malfunction Stereo component equalizer assembly PROCEDURE 1 ...
