| ECM | Vehicle Identification Number (VIN) registration | MIL comes on | 
                                 
                                    
                                       
                                          ![2021 - 2022 MY Avalon [08/2020 -        ]; A25A-FKS (ENGINE CONTROL): SFI SYSTEM: REGISTRATION](/t3Portal/stylegraphics/info.gif) for A25A-FKS 
                                 
                                    
                                       
                                          ![2019 - 2022 MY Avalon [04/2018 -        ]; 2GR-FKS (ENGINE CONTROL): SFI SYSTEM: REGISTRATION](/t3Portal/stylegraphics/info.gif) for 2GR-FKS | 
                        
                           | ECU communication ID registration (Immobiliser system) | Engine start function | 
                                 
                                    
                                       
                                          ![2021 - 2022 MY Avalon [08/2020 -        ]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): REGISTRATION](/t3Portal/stylegraphics/info.gif)  | 
                        
                           | 
                                 for A25A-FKS
                                    
Throttle body with motor assembly
Cam timing control motor with EDU assembly
Camshaft timing gear assembly
Engine assembly
Cylinder head sub-assembly
Camshaft (for intake or exhaust camshaft)
Camshaft timing exhaust gear assembly
Piston or piston ring
Mass air flow meter sub-assembly
Port fuel injector assembly
Direct fuel injector assembly
Fuel pump (for low pressure side)
Fuel pump assembly (for high pressure side)
No. 2 fuel pressure sensor (for low pressure side)
Fuel pressure sensor (for high pressure side)
Air fuel ratio sensor (sensor 1)
Air fuel ratio sensor (sensor 2)
Engine coolant temperature sensor
Spark plug
Ignition coil assembly
EGR valve assembly
Air intake system parts
Exhaust system parts
Knock control sensor
 | Inspection after repair | 
                                 
                                    
Poor idle, etc.
Engine start function, etc.
 | 
                                 
                                    
                                       
                                          ![2021 - 2022 MY Avalon [08/2020 -        ]; A25A-FKS (ENGINE CONTROL): SFI SYSTEM: INITIALIZATION](/t3Portal/stylegraphics/info.gif)  | 
                        
                           | 
                                 for 2GR-FKS
                                    
Throttle body with motor assembly
Engine assembly
Cylinder head sub-assembly
Camshaft (for intake or exhaust camshaft)
Camshaft timing gear assembly
Camshaft timing exhaust gear assembly
Piston or piston ring
Mass air flow meter sub-assembly
Fuel injector assembly (for port injection)
Fuel injector assembly (for direct injection)
Fuel pump (for low pressure side)
Fuel pump assembly (for high pressure side)
Fuel pressure sensor (for low pressure side)
Fuel pressure sensor (for high pressure side)
Air fuel ratio sensor
Heated oxygen sensor
Engine coolant temperature sensor
Spark plug
Ignition coil assembly
Air intake system parts
Exhaust system parts
Knock control sensor
 | Inspection after repair | 
                                 
                                    
Poor idle, etc.
Engine start function, etc.
 | 
                                 
                                    
                                       
                                          ![2020 - 2022 MY Avalon [08/2019 -        ]; 2GR-FKS (ENGINE CONTROL): SFI SYSTEM: INITIALIZATION](/t3Portal/stylegraphics/info.gif)  | 
                        
                           | Millimeter wave radar sensor assembly | Adjust millimeter wave radar sensor assembly | 
                                 
                                    
Dynamic Radar Cruise Control System
Front Camera System
Lane Departure Alert System (w/ Steering Control)
Pre-collision System
Lighting System (EXT)
 | 
                                 
                                    
                                       
                                          ![2021 MY Avalon Avalon HV [08/2020 - 08/2021]; CRUISE CONTROL: MILLIMETER WAVE RADAR SENSOR: ADJUSTMENT](/t3Portal/stylegraphics/info.gif)  | 
                        
                           | 
                                 
                                    
Forward recognition camera
Windshield glass
 | Adjust forward recognition camera | 
                                 
                                    
Dynamic Radar Cruise Control System
Front Camera System
Lane Departure Alert System (w/ Steering Control)
Pre-collision System
Lighting System (EXT)
 | 
                                 
                                    
                                       
                                          ![2019 - 2021 MY Avalon Avalon HV [04/2018 - 08/2021]; CRUISE CONTROL: FRONT CAMERA: ADJUSTMENT (SEQUENTIAL RECOGNITION)](/t3Portal/stylegraphics/info.gif)  | 
                        
                           | Automatic transaxle assembly | 
                                 
                                    
Perform reset memory
Input transaxle compensation code into ECM
Perform road test to allow ECM to learn
 | 
                                 
                                    
Large shift shock
Deterioration of fuel efficiency
 | 
                                 
                                    
                                       
                                          ![2019 - 2022 MY Avalon [04/2018 -        ]; UA80E (AUTOMATIC TRANSMISSION / TRANSAXLE): AUTOMATIC TRANSAXLE SYSTEM: INITIALIZATION](/t3Portal/stylegraphics/info.gif) for UA80E Initialization 
                                 
                                    
                                       
                                          ![2019 - 2022 MY Avalon [04/2018 -        ]; UA80E (AUTOMATIC TRANSMISSION / TRANSAXLE): AUTOMATIC TRANSAXLE SYSTEM: REGISTRATION](/t3Portal/stylegraphics/info.gif) for UA80E Registration | 
                        
                           | 
                                 
                                    
Transmission valve body assembly
Solenoid (SL1, SL2, SL3, SL4, SL5 and/or SL6) valve
 | 
                                 
                                    
Perform reset memory
Reset transaxle compensation code
Perform road test to allow ECM to learn
 | 
                        
                           | ECM (If transaxle compensation code read from ECM) | 
                                 
                                    
Perform reset memory*1
Transfer transaxle compensation code
Perform road test to allow ECM to learn
 | 
                        
                           | ECM (If transaxle compensation code not read from ECM) | 
                                 
                                    
Perform reset memory*1
Reset transaxle compensation code
Perform road test to allow ECM to learn
 | 
                        
                           | Automatic transaxle assembly | 
                                 
                                    
Perform reset memory
Input transaxle compensation code into ECM
Perform road test to allow ECM to learn
 | 
                                 
                                    
Large shift shock
Deterioration of fuel efficiency
 | 
                                 
                                    
                                       
                                          ![2021 - 2022 MY Avalon [08/2020 -        ]; UB80F (AUTOMATIC TRANSMISSION / TRANSAXLE): AUTOMATIC TRANSAXLE SYSTEM: INITIALIZATION](/t3Portal/stylegraphics/info.gif) for UB80F Initialization 
                                 
                                    
                                       
                                          ![2021 - 2022 MY Avalon [08/2020 -        ]; UB80F (AUTOMATIC TRANSMISSION / TRANSAXLE): AUTOMATIC TRANSAXLE SYSTEM: REGISTRATION](/t3Portal/stylegraphics/info.gif) for UB80F Registration | 
                        
                           | 
                                 
                                    
Transmission valve body assembly
Solenoid (SL1, SL2, SL3, SL4, SL5 and/or SL6) valve
 | 
                                 
                                    
Perform reset memory
Reset transaxle compensation code
Perform road test to allow ECM to learn
 | 
                        
                           | ECM (If transaxle compensation code read from ECM) | 
                                 
                                    
Perform reset memory*1
Transfer transaxle compensation code
Perform road test to allow ECM to learn
 | 
                        
                           | ECM (If transaxle compensation code not read from ECM) | 
                                 
                                    
Perform reset memory*1
Reset transaxle compensation code
Perform road test to allow ECM to learn
 | 
                        
                           | Automatic transaxle fluid | ATF thermal degradation estimate reset | The value of the Data List item "ATF Thermal Degradation Estimate" is not estimated correctly | 
                                 
                                    
                                       
                                          ![2019 - 2022 MY Avalon [04/2018 -        ]; UA80E (AUTOMATIC TRANSMISSION / TRANSAXLE): AUTOMATIC TRANSAXLE SYSTEM: INITIALIZATION](/t3Portal/stylegraphics/info.gif) for UA80E 
                                 
                                    
                                       
                                          ![2021 - 2022 MY Avalon [08/2020 -        ]; UB80F (AUTOMATIC TRANSMISSION / TRANSAXLE): AUTOMATIC TRANSAXLE SYSTEM: INITIALIZATION](/t3Portal/stylegraphics/info.gif) for UB80F | 
                        
                           | Yaw rate and acceleration sensor (airbag ECU assembly) | Reset memory | Dynamic Torque Control AWD System | 
                                 
                                    
                                       
                                          ![2021 - 2022 MY Avalon [08/2020 -        ]; GF1A (TRANSFER / 4WD / AWD): DYNAMIC TORQUE CONTROL AWD SYSTEM: CALIBRATION](/t3Portal/stylegraphics/info.gif)  | 
                        
                           | Perform system variant learning and acceleration sensor zero point calibration | 
                                 
                                    
VSC is disabled or malfunctions
DTCs are output
Slip indicator light illuminates
ABS warning light illuminates
 | 
                                 
                                    
                                       
                                          ![2019 - 2021 MY Avalon [04/2018 - 08/2021]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model): CALIBRATION](/t3Portal/stylegraphics/info.gif)  | 
                        
                           | Absorber control ECU | Registration of vehicle identification information | 
                                 
                                    
Interrupts damping force control
DTCs are stored
 | 
                                 
                                    
                                       
                                          ![2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; SUSPENSION CONTROL: ADAPTIVE VARIABLE SUSPENSION SYSTEM: TEST MODE PROCEDURE](/t3Portal/stylegraphics/info.gif)  | 
                        
                           | 
                                 
                                    
Tire pressure warning ECU and receiver (electrical key and tire pressure monitoring system receiver assembly)
Tire pressure warning valve and transmitter
 | 
                                 
                                    
Register transmitter ID
Initialize tire pressure warning system
 | 
                                 
                                    
When DTC detection conditions of "transmitter ID not received" DTC are met, TPWS indicator blinks for 1 minute, and then illuminates
Tire pressure warning function
 | 
                                 
                                    
                                       
                                          ![2020 - 2022 MY Avalon [08/2019 -        ]; TIRE PRESSURE MONITORING: TIRE PRESSURE WARNING SYSTEM(for Gasoline Model): REGISTRATION](/t3Portal/stylegraphics/info.gif) for Registration 
                                 
                                    
                                       
                                          ![2019 - 2022 MY Avalon [04/2018 -        ]; TIRE PRESSURE MONITORING: TIRE PRESSURE WARNING SYSTEM(for Gasoline Model): INITIALIZATION](/t3Portal/stylegraphics/info.gif) for Initialization | 
                        
                           | Skid control ECU (brake actuator assembly) | Perform system variant learning and acceleration sensor zero point calibration | 
                                 
                                    
VSC is disabled or malfunctions
DTCs are output
Slip indicator light illuminates
ABS warning light illuminates
 | 
                                 
                                    
                                       
                                          ![2019 - 2021 MY Avalon [04/2018 - 08/2021]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model): CALIBRATION](/t3Portal/stylegraphics/info.gif)  | 
                        
                           | Operate the electric parking brake switch (electric parking brake switch assembly) | Parking brake indicator light blinks when the engine switch is first turned on (IG) | 
                                 
                                    
                                       
                                          ![2019 - 2021 MY Avalon [04/2018 - 08/2021]; PARKING BRAKE: ELECTRIC PARKING BRAKE SYSTEM (for Gasoline Model): PRECAUTION](/t3Portal/stylegraphics/info.gif)  | 
                        
                           | Rack and pinion power steering gear assembly | 
                                 
                                    
Perform torque sensor zero point calibration
Assist map writing
 | 
                                 
                                    
DTCs are output
Steering effort different between turning steering wheel left and right
EPS warning light illuminates
 | 
                                 
                                    
                                       
                                          ![2019 - 2022 MY Avalon [04/2018 -        ]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model): CALIBRATION](/t3Portal/stylegraphics/info.gif)  | 
                        
                           | DCM (telematics transceiver) | DCM activation | Safety Connect System | 
                                 
                                    
                                       
                                          ![2021 - 2022 MY Avalon Avalon HV [08/2020 -        ]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM: DCM ACTIVATION](/t3Portal/stylegraphics/info.gif)  | 
                        
                           | Code registration | Telematics System | 
                                 
                                    
                                       
                                          ![2021 - 2022 MY Avalon [08/2020 -        ]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): REGISTRATION](/t3Portal/stylegraphics/info.gif)  | 
                        
                           | Back-up battery | Perform the reset back-up battery condition | Safety Connect System | 
                                 
                                    
                                       
                                          ![2021 - 2022 MY Avalon Avalon HV [08/2020 -        ]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM: INITIALIZATION](/t3Portal/stylegraphics/info.gif)  | 
                        
                           | Steering sensor | Steering angle zero point learning (Initialize intelligent clearance sonar system) | 
                                 
                                    
Intelligent Clearance Sonar System
Intuitive Parking Assist System
 | 
                                 
                                    
                                       
                                          ![2019 - 2022 MY Avalon [04/2018 -        ]; PARK ASSIST / MONITORING: INTELLIGENT CLEARANCE SONAR SYSTEM (for Gasoline Model): CALIBRATION](/t3Portal/stylegraphics/info.gif)  | 
                        
                           | 
                                 
                                    
Suspension, tires, etc.*2
Front bumper assembly
Rear bumper assembly
Ultrasonic sensor
 | 
                                 
                                    
Measure ultrasonic sensor detection angle
Ultrasonic sensor detection angle registration
 | 
                        
                           | Clearance warning ECU assembly | 
                                 
                                    
Measure ultrasonic sensor detection angle
Steering angle zero point learning
Register bumper type
Register ultrasonic sensor detection angle
 | 
                        
                           | Steering sensor | 
                                 
                                    
Steering angle zero point learning (Initialize parking assist monitor system)
Steering angle setting
 | Parking Assist Monitor System | 
                                 
                                    
                                       
                                          ![2019 - 2022 MY Avalon [04/2018 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM (for Gasoline Model): INITIALIZATION](/t3Portal/stylegraphics/info.gif) for Initialization 
                                 
                                    
                                       
                                          ![2019 - 2022 MY Avalon [04/2018 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM (for Gasoline Model): CALIBRATION](/t3Portal/stylegraphics/info.gif) for Calibration | 
                        
                           | Suspension, tires, etc.*2 | Rear television camera assembly optical axis adjustment (Back camera position setting) | 
                        
                           | Television camera assembly | 
                                 
                                    
Parking assist monitor system initialization
Television camera assembly optical axis adjustment (Back camera position setting)
 | 
                        
                           | Steering sensor | Steering angle zero point learning (Initialize panoramic view monitor system) | Panoramic View Monitor System | 
                                 
                                    
                                       
                                          ![2019 - 2022 MY Avalon [04/2018 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM (for Gasoline Model): INITIALIZATION](/t3Portal/stylegraphics/info.gif) for Initialization 
                                 
                                    
                                       
                                          ![2019 - 2022 MY Avalon [04/2018 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM (for Gasoline Model): CALIBRATION](/t3Portal/stylegraphics/info.gif) Calibration | 
                        
                           | Parking assist ECU | 
                                 
                                    
Parking assist ECU initialization
Adjust steering angle
 | 
                        
                           | Television camera assembly | 
                                 
                                    
Rear television camera view adjustment
Television camera assembly optical axis adjustment (Back camera position setting)
 | 
                        
                           | 
                                 
                                    
Front television camera assembly
Front bumper assembly
Radiator grille
 | Front television camera view adjustment | 
                        
                           | 
                                 
                                    
Side television camera assembly LH
Outer rear view mirror assembly LH
Side television camera assembly RH
Outer rear view mirror assembly RH
 | Side television camera view adjustment | 
                        
                           | 
                                 
                                    
Front television camera assembly, front bumper assembly or radiator grille
Television camera assembly
Side television camera assembly LH or outer rear view mirror assembly LH
Side television camera assembly RH or outer rear view mirror assembly RH
 | 
                                 
                                    
Television camera view adjustment
Television camera assembly optical axis adjustment (Back camera position setting)*4
 | 
                        
                           | Suspension, tires, etc.*2 | 
                                 
                                    
Parking assist ECU initialization
Adjust steering angle
Television camera assembly optical axis adjustment (Back camera position setting)
 | 
                        
                           | Blind spot monitor sensor | Blind spot monitor beam axis adjustment | 
                                 
                                    
Intelligent Clearance Sonar System
Blind Spot Monitor System
 | 
                                 
                                    
                                       
                                          ![2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SENSOR: ADJUSTMENT](/t3Portal/stylegraphics/info.gif)  | 
                        
                           | 
                                 
                                    
Inner rear view mirror assembly*3
 | Register codes in the garage door opener system | Garage Door Opener System | 
                                 
                                    
                                       
                                          ![2019 - 2022 MY Avalon [04/2018 -        ]; GARAGE DOOR OPENER: GARAGE DOOR OPENER SYSTEM(for Gasoline Model): REGISTRATION](/t3Portal/stylegraphics/info.gif)  | 
                        
                           | 
                                 
                                    
Certification ECU (smart key ECU assembly)
Steering lock ECU (steering lock actuator or upper bracket assembly)
Electrical key transmitter sub-assembly
ECM
Main body ECU (multiplex network body ECU)
 | Code registration (Smart Key System (for Start Function, Gasoline Model)) | 
                                 
                                    
Wireless Door Lock Control System
Smart Key System (for Entry Function, Gasoline Model)
Smart Key System (for Start Function, Gasoline Model)
Steering lock function
 | 
                                 
                                    
                                       
                                          ![2021 - 2022 MY Avalon [08/2020 -        ]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): REGISTRATION](/t3Portal/stylegraphics/info.gif)  | 
                        
                           | 
                                 
                                    
Occupant detection ECU
Front passenger seat
 | Zero point calibration (Occupant Classification System) | 
                                 
                                    
Occupant Classification System
Passenger airbag ON/OFF indicator
Airbag System (Front passenger side)
Seat Belt Warning System (Front passenger)
 | 
                                 
                                    
                                       
                                          ![2019 - 2022 MY Avalon [04/2018 -        ]; SUPPLEMENTAL RESTRAINT SYSTEMS: OCCUPANT CLASSIFICATION SYSTEM (for Gasoline Model): INITIALIZATION](/t3Portal/stylegraphics/info.gif)  | 
                        
                           | 
                                 
                                    
Separate type front seat cushion spring assembly LH
Front seatback frame sub-assembly LH
Position control ECU assembly
 | Initialize position control ECU | Front Power Seat Control System | 
                                 
                                    
                                       
                                          ![2019 - 2022 MY Avalon [04/2018 -        ]; SEAT: FRONT POWER SEAT CONTROL SYSTEM (for Gasoline Model with Memory): REGISTRATION](/t3Portal/stylegraphics/info.gif)  | 
                        
                           | 
                                 
                                    
No. 1 air conditioning radiator damper servo sub-assembly
No. 2 air conditioning radiator damper servo sub-assembly
No. 1 blower damper servo sub-assembly
Air conditioning amplifier assembly
 | Servo motor initialization (Air conditioning system (for Automatic Air Conditioning System)) | DTCs are output | 
                                 
                                    
                                       
                                          ![2019 - 2022 MY Avalon [04/2018 -        ]; HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM (for Gasoline Model): INITIALIZATION](/t3Portal/stylegraphics/info.gif)  | 
                        
                           | 
                                 
                                    
Door window regulator sub-assembly
Power window regulator motor sub-assembly
Door glass
Door glass run
 | Initialize power window control system | 
                                 
                                    
Auto up and down function
Jam protection function
Remote control function
Key-linked function
Wireless transmitter-linked function
Key-off operation function
Catch protection function
Window open warning function
 | 
                                 
                                    
                                       
                                          ![2019 - 2022 MY Avalon [04/2018 -        ]; WINDOW / GLASS: POWER WINDOW CONTROL SYSTEM (for Gasoline Model): INITIALIZATION](/t3Portal/stylegraphics/info.gif)  | 
                        
                           | 
                                 
                                    
Sliding roof ECU (sliding roof drive gear sub-assembly)
Sliding roof glass sub-assembly
Sliding roof drive cable sub-assembly
Sliding roof drive gear sub-assembly
 | Initialize sliding roof system | 
                                 
                                    
Auto operation function
Jam protection function
Key-off operation function
Key-linked function
Wireless transmitter-linked function
Sliding roof open warning function
 | 
                                 
                                    
                                       
                                          ![2019 - 2022 MY Avalon [04/2018 -        ]; SLIDING ROOF / CONVERTIBLE: SLIDING ROOF SYSTEM (for Gasoline Model): INITIALIZATION](/t3Portal/stylegraphics/info.gif)  | 
                        
                           | 
                                 
                                    
Headlight assembly LH
Headlight ECU sub-assembly LH
 | Synchronize the vehicle information | Lighting system (for Gasoline Model with Cornering Light) | 
                                 
                                    
                                       
                                          ![2019 - 2022 MY Avalon [04/2018 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): INITIALIZATION](/t3Portal/stylegraphics/info.gif)  |