REMOVAL PROCEDURE 1. REMOVE FRONT DOOR SCUFF PLATE LH Click here 2. REMOVE COWL SIDE TRIM SUB-ASSEMBLY LH Click here 3. DISCONNECT FRONT DOOR OPENING TRIM WEATHERSTRIP LH Click here 4. REMOVE INSTRUMENT SIDE PANEL LH Click here 5. REMOVE NO. 1 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY Click here 6. DISCONNECT HOOD LOCK CONTROL LEVER SUB-ASSEMBLY Click here 7. REMOVE NO. 1 INSTRUMENT PANEL SUB-ASSEMBLY Click here 8. REMOVE AUTO HIGH BEAM SWITCH (a) Using a screwdriver with its tip wrapped with protective tape, disengage the 2 claws and remove the auto high beam switch as shown in the illustration. 
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Grille Shutter System: Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART Grille Shutter System DTC No. Detection Item Link B1333 Shutter Control State Maintenance Mode P059F73 Active Grille Air Shutter "A" Actuator Stuck Closed P05A072 Active Grille Air Shutter "A" Actuator Stuck Open P05A074 Active Grille Air Shutter "A" Actuator Slipping P ...
