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                        | Last Modified: 08-21-2023 | 6.11:8.1.0 | Doc ID: RM100000001PW7X |  
                        | Model Year Start: 2021 | Model: Avalon | Prod Date Range: [08/2020 -                    
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                        | Title: A25A-FKS (EMISSION CONTROL): PCV VALVE: REMOVAL; 2021 - 2022 MY Avalon [08/2020 -        ] |  REMOVALCAUTION / NOTICE / HINTThe necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during PCV valve (ventilation valve sub-assembly) removal/installation are shown below. Necessary Procedures After Parts Removed/Installed/Replaced
                     
                        
                        
                        
                        
                     
                     
                        
                           | Replaced Part or Performed Procedure | Necessary Procedures | Effect/Inoperative Function when Necessary Procedure not Performed | Link |  
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Replacement of throttle body with motor assembly
Cleaning the deposits from the throttle body assembly
Replacement of EGR valve assembly
Gas leak from exhaust system is repaired
 | Inspection After Repair | 
                                 
                                    
Poor idle, etc.
Engine start function, etc.
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                                          ![2021 - 2022 MY Avalon [08/2020 -        ]; A25A-FKS (ENGINE CONTROL): SFI SYSTEM: INITIALIZATION](/t3Portal/stylegraphics/info.gif)  |  NOTICE: This procedure includes the removal of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts. Click here
                        
                           
                              ![2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; INTRODUCTION: REPAIR INSTRUCTION: PRECAUTION](/t3Portal/stylegraphics/info.gif)  PROCEDURE1. REMOVE INTAKE MANIFOLD Click here
                        
                           
                              ![2021 - 2022 MY Avalon [08/2020 -        ]; A25A-FKS (INTAKE / EXHAUST): INTAKE MANIFOLD: REMOVAL](/t3Portal/stylegraphics/info.gif)  2. REMOVE PCV VALVE (VENTILATION VALVE SUB-ASSEMBLY) 
                     
                        
                           | (a) Remove the PCV valve (ventilation valve sub-assembly) from the cylinder head sub-assembly. |  |  |