Last Modified: 08-21-2023 6.11:8.1.0 Doc ID: RM100000001RNIO
Model Year Start: 2021 Model: Avalon Prod Date Range: [08/2020 - 08/2021]
Title: FRONT SUSPENSION: FRONT SUSPENSION MEMBER (for Gasoline Model): REMOVAL; 2021 MY Avalon [08/2020 - 08/2021]

REMOVAL

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during front frame assembly removal/installation are shown below.

Necessary Procedure After Parts Removed/Installed/Replaced

Replaced Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function when Necessary Procedure not Performed

Link

Battery terminal is disconnected/reconnected

Perform steering sensor zero point calibration

Lane departure alert system (w/ Steering Control)

2019 - 2021 MY Avalon [04/2018 - 08/2021]; PRE-COLLISION: PRE-COLLISION SYSTEM (for Gasoline Model): INITIALIZATION

Pre-collision system

Intelligent clearance sonar system*1

Lighting system (for Gasoline Model with Cornering Light)

Memorize steering angle neutral point

Parking assist monitor system

2019 - 2022 MY Avalon [04/2018 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM (for Gasoline Model): INITIALIZATION

Panoramic view monitor system

2019 - 2022 MY Avalon [04/2018 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM (for Gasoline Model): INITIALIZATION

Replacement of ECM

Vehicle Identification Number (VIN) registration

MIL comes on

for A25A-FKS: 2021 - 2022 MY Avalon [08/2020 -        ]; A25A-FKS (ENGINE CONTROL): SFI SYSTEM: REGISTRATION

for 2GR-FKS: 2019 - 2022 MY Avalon [04/2018 -        ]; 2GR-FKS (ENGINE CONTROL): SFI SYSTEM: REGISTRATION

Perform code 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

  • Replacement of engine assembly
  • Gas leak from exhaust system is repaired

Inspection after repair
  • Poor idle, etc.
  • Engine start function, etc.

for A25A-FKS: 2021 - 2022 MY Avalon [08/2020 -        ]; A25A-FKS (ENGINE CONTROL): SFI SYSTEM: INITIALIZATION

for 2GR-FKS: 2020 - 2022 MY Avalon [08/2019 -        ]; 2GR-FKS (ENGINE CONTROL): SFI SYSTEM: INITIALIZATION

Replacement of automatic transaxle assembly
  1. Reset Memory
  2. Input transaxle compensation code into ECM
  3. Perform road test to allow ECM to learn
  • Large shift shock
  • Deterioration of fuel efficiency

for UA80E Initialization: 2019 - 2022 MY Avalon [04/2018 -        ]; UA80E (AUTOMATIC TRANSMISSION / TRANSAXLE): AUTOMATIC TRANSAXLE SYSTEM: INITIALIZATION

for UA80E Registration: 2019 - 2022 MY Avalon [04/2018 -        ]; UA80E (AUTOMATIC TRANSMISSION / TRANSAXLE): AUTOMATIC TRANSAXLE SYSTEM: REGISTRATION

for UB80F Initialization: 2021 - 2022 MY Avalon [08/2020 -        ]; UB80F (AUTOMATIC TRANSMISSION / TRANSAXLE): AUTOMATIC TRANSAXLE SYSTEM: INITIALIZATION

for UB80F Registration: 2021 - 2022 MY Avalon [08/2020 -        ]; UB80F (AUTOMATIC TRANSMISSION / TRANSAXLE): AUTOMATIC TRANSAXLE SYSTEM: REGISTRATION

Replacement of ECM

(If transaxle compensation code read from ECM)
  1. Reset memory*2
  2. Transfer transaxle compensation code
  3. Perform road test to allow ECM to learn

Replacement of ECM

(If transaxle compensation code not read from ECM)
  1. Reset memory*2
  2. Reset transaxle compensation code
  3. Perform road test to allow ECM to learn

Replacement of automatic transaxle fluid

ATF thermal degradation estimate reset

The value of the Data List item "ATF Thermal Degradation Estimate" is not estimated correctly

for UA80E: 2019 - 2022 MY Avalon [04/2018 -        ]; UA80E (AUTOMATIC TRANSMISSION / TRANSAXLE): AUTOMATIC TRANSAXLE SYSTEM: INITIALIZATION

for UB80F: 2021 - 2022 MY Avalon [08/2020 -        ]; UB80F (AUTOMATIC TRANSMISSION / TRANSAXLE): AUTOMATIC TRANSAXLE SYSTEM: INITIALIZATION

Replacement of ECM

Code registration (Smart Key System (for Start Function))
  • Wireless Door Lock Control System
  • Smart Key System (for Entry Function)
  • Smart Key System (for Start Function)
  • Steering lock function

2021 - 2022 MY Avalon [08/2020 -        ]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): REGISTRATION

  • Suspension, tires, etc.

    (The vehicle height changes because of suspension or tire replacement.)

  • Replacement of front bumper assembly
  • Measure ultrasonic sensor detection angle
  • Ultrasonic sensor detection angle registration
  • 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

Suspension, tires, etc.

(The vehicle height changes because of suspension or tire replacement.)

Rear television camera assembly optical axis adjustment (Back camera position setting)

Parking Assist Monitor System

for Initialization: 2019 - 2022 MY Avalon [04/2018 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM (for Gasoline Model): INITIALIZATION

for Calibration: 2019 - 2022 MY Avalon [04/2018 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM (for Gasoline Model): CALIBRATION

Replacement of front bumper assembly

Front television camera view adjustment

Panoramic View Monitor System

for Initialization: 2019 - 2022 MY Avalon [04/2018 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM (for Gasoline Model): INITIALIZATION

for Calibration: 2019 - 2022 MY Avalon [04/2018 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM (for Gasoline Model): CALIBRATION

Suspension, tires, etc.

(The vehicle height changes because of suspension or tire replacement.)
  • Parking assist ECU initialization
  • Adjust steering angle
  • Television camera assembly optical axis adjustment (Back camera position setting)

Perform headlight ECU sub-assembly LH initialization

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

Front wheel alignment adjustment

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

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

*1: When performing learning using the Techstream.

Click here 2019 - 2022 MY Avalon [04/2018 -        ]; PARK ASSIST / MONITORING: INTELLIGENT CLEARANCE SONAR SYSTEM (for Gasoline Model): CALIBRATION

*2: Not necessary when ECM replaced with new one

PROCEDURE

1. REMOVE ENGINE ASSEMBLY WITH TRANSAXLE

for A25A-FKS: Click here 2021 - 2022 MY Avalon [08/2020 -        ]; A25A-FKS (ENGINE MECHANICAL): ENGINE ASSEMBLY: REMOVAL

for 2GR-FKS: Click here 2019 - 2021 MY Avalon [04/2018 - 08/2021]; 2GR-FKS (ENGINE MECHANICAL): ENGINE ASSEMBLY: REMOVAL

2. REMOVE FUEL DELIVERY GUARD (for A25A-FKS)

Click here 2021 - 2022 MY Avalon [08/2020 -        ]; A25A-FKS (ENGINE MECHANICAL): ENGINE ASSEMBLY: REMOVAL+

3. REMOVE FUEL PUMP PROTECTOR (for AWD)

Click here 2021 - 2022 MY Avalon [08/2020 -        ]; A25A-FKS (ENGINE MECHANICAL): ENGINE ASSEMBLY: REMOVAL+

4. INSTALL ENGINE HANGERS

for A25A-FKS: Click here 2021 - 2022 MY Avalon [08/2020 -        ]; A25A-FKS (ENGINE MECHANICAL): ENGINE ASSEMBLY: REMOVAL+

for 2GR-FKS: Click here 2019 - 2021 MY Avalon [04/2018 - 08/2021]; 2GR-FKS (ENGINE MECHANICAL): ENGINE ASSEMBLY: REMOVAL+

5. REMOVE STEERING GEAR HEAT INSULATOR (for A25A-FKS)

Click here 2021 MY Avalon [08/2020 - 08/2021]; STEERING GEAR / LINKAGE: STEERING GEAR (for Gasoline Model): REMOVAL+

6. DISCONNECT WIRE HARNESS

Click here 2021 MY Avalon [08/2020 - 08/2021]; STEERING GEAR / LINKAGE: STEERING GEAR (for Gasoline Model): REMOVAL+

7. REMOVE FRONT FRAME ASSEMBLY

(a) Remove the 3 nuts and separate the front engine mounting insulator from the front frame assembly.

(b) Remove the 4 nuts and separate the rear engine mounting insulator from the front frame assembly.

8. REMOVE FRONT STABILIZER BAR WITH BRACKET

for A25A-FKS: Click here 2021 MY Avalon [08/2020 - 08/2021]; STEERING GEAR / LINKAGE: STEERING GEAR (for Gasoline Model): REMOVAL+

for 2GR-FKS: Click here 2021 MY Avalon [08/2020 - 08/2021]; STEERING GEAR / LINKAGE: STEERING GEAR (for Gasoline Model): REMOVAL+

9. REMOVE RACK AND PINION POWER STEERING GEAR ASSEMBLY

Click here 2021 MY Avalon [08/2020 - 08/2021]; STEERING GEAR / LINKAGE: STEERING GEAR (for Gasoline Model): REMOVAL+

10. REMOVE FRONT LOWER NO. 1 SUSPENSION ARM SUB-ASSEMBLY LH

(a) Remove the 3 bolts, nut and front lower No. 1 suspension arm sub-assembly LH from the front frame assembly.

NOTICE:

Because the nut has its own stopper, do not turn the nut. Loosen the bolt with the nut secured.

(b) Remove the front lower arm bushing stopper from the front lower No. 1 suspension arm sub-assembly.

11. REMOVE FRONT LOWER NO. 1 SUSPENSION ARM SUB-ASSEMBLY RH

HINT:

Perform the same procedure as for the LH side.

12. REMOVE NO. 2 EXHAUST PIPE SUPPORT BRACKET

(a) Remove the 2 bolts and No. 2 exhaust pipe support bracket from the front frame assembly.

13. REMOVE FRONT SUSPENSION MEMBER DYNAMIC DAMPER

(a) Remove the 2 bolts and front suspension member dynamic damper from the front frame assembly.

14. REMOVE FRONT SUSPENSION MEMBER BODY MOUNTING FRONT STOPPER

(a) Remove the 2 front suspension member body mounting front stoppers from the front frame assembly.

15. REMOVE FRONT SUSPENSION MEMBER BODY MOUNTING REAR STOPPER

(a) Remove the 2 front suspension member body mounting rear stoppers from the front frame assembly.

16. REMOVE FRONT SUSPENSION MEMBER BODY MOUNTING FRONT CUSHION (for LH Side)

(a) Using a chisel and hammer, kink the flange of the front suspension member body mounting front cushion as shown in the illustration.

*a

Flange

(b) Apply lubricant to the contact surfaces of the front suspension member body mounting front cushion.

(c) Install SST as shown in the illustration.

SST: 09830-10010

09830-01010

09830-01040

09830-01050

SST: 09950-40011

09951-04020

09952-04010

09954-04010

09955-04011

09958-04011

NOTICE:

Apply molybdenum grease to the threads and tip of the SST center bolt before use.

*1

Front Suspension Member Body Mounting Front Cushion

(d) Turn the SST center bolt as shown in the illustration to create a clearance between the front suspension member body mounting front cushion and the front frame assembly.

*a

Hold

Turn

(e) While applying lubricant to the front suspension member body mounting front cushion through the clearance, gradually remove the front suspension member body mounting front cushion.

NOTICE:

  • Tighten SST slowly and evenly.
  • Be careful as the mounting cushion may fly out.
  • The mounting cushion cannot be reused.

17. REMOVE FRONT SUSPENSION MEMBER BODY MOUNTING FRONT CUSHION (for RH Side)

HINT:

Perform the same procedure as for the LH side.

18. REMOVE FRONT SUSPENSION MEMBER BODY MOUNTING REAR CUSHION LH

(a) Using a chisel and hammer, kink the flange of the front suspension member body mounting rear cushion LH as shown in the illustration.

*a

Flange

(b) Apply lubricant to the contact surfaces of the front suspension member body mounting rear cushion LH.

(c) Install SST as shown in the illustration.

SST: 09830-10010

09830-01010

09830-01040

09830-01050

SST: 09950-40011

09951-04020

09952-04010

09954-04010

09955-04011

09958-04011

NOTICE:

Apply molybdenum grease to the threads and tip of the SST center bolt before use.

*1

Front Suspension Member Body Mounting Rear Cushion LH

(d) Turn the SST center bolt as shown in the illustration to create a clearance between the front suspension member body mounting rear cushion LH and the front frame assembly.

*a

Hold

Turn

(e) While applying lubricant to the front suspension member body mounting rear cushion LH through the clearance, gradually remove the front suspension member body mounting rear cushion LH.

NOTICE:

  • Tighten SST slowly and evenly.
  • Be careful as the mounting cushion may fly out.
  • The mounting cushion cannot be reused.

19. REMOVE FRONT SUSPENSION MEMBER BODY MOUNTING REAR CUSHION

HINT:

Perform the same procedure as for the front suspension member body mounting rear cushion LH.

20. REMOVE HOLE PLUG

(a) Remove the 7 hole plugs from the front frame assembly.

HINT:

There are 2 different shapes of hole plug.