Last Modified: 08-21-2023 6.11:8.1.0 Doc ID: RM100000001RG4N
Model Year Start: 2021 Model: Avalon HV Prod Date Range: [08/2020 - 08/2021]
Title: SUPPLEMENTAL RESTRAINT SYSTEMS: REAR SEAT SIDE AIRBAG ASSEMBLY: REMOVAL; 2021 MY Avalon Avalon HV [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 rear seat airbag assembly removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced (for Gasoline Model)

Replaced Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function when Necessary Procedure not Performed

Link

*: 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

Disconnect cable from negative auxiliary battery terminal

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*

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

Necessary Procedures After Parts Removed/Installed/Replaced (for HV Model)

Replaced Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function when Necessary Procedure not Performed

Link

*: When performing learning using the Techstream.

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

Disconnect cable from negative auxiliary battery terminal

Perform steering sensor zero point calibration

Lane Departure Alert System (w/ Steering Control)

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

Pre-collision System

Intelligent Clearance Sonar System*

Lighting System (for HV Model with Cornering Light)

Memorize steering angle neutral point

Parking Assist Monitor System

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

Panoramic View Monitor System

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

CAUTION:

  • Be sure to read Precaution thoroughly before servicing.

    for Gasoline Model: Click here 2021 - 2022 MY Avalon [08/2020 -        ]; SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM (for Gasoline Model): PRECAUTION

    for HV Model: Click here 2019 - 2022 MY Avalon HV [04/2018 -        ]; SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM (for HV Model): PRECAUTION

  • Wear protective gloves. Sharp areas on the parts may injure your hands.

NOTICE:

If a rear seat airbag assembly has been deployed, replace the rear seat airbag assembly, rear side seatback frame, rear side seatback pad and rear side seatback cover sub-assembly with the necessary parts in accordance with the extent of the collision damage.

Click here 2021 - 2022 MY Avalon Avalon HV [08/2020 -        ]; SEAT: REAR SEAT ASSEMBLY: DISASSEMBLY

HINT:

  • Use the same procedure for the RH side and LH side.
  • The following procedure is for the LH side.

PROCEDURE

1. PRECAUTION

NOTICE:

After turning the engine switch (for Gasoline Model) or power switch (for HV Model) off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) auxiliary battery terminal notices before proceeding with work.

Click here 2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; INTRODUCTION: REPAIR INSTRUCTION: PRECAUTION

2. REMOVE LUGGAGE TRIM SERVICE HOLE COVER (for HV Model)

Click here 2020 - 2021 MY Avalon HV [08/2019 - 08/2021]; MAINTENANCE: A25A-FXS AUXILIARY BATTERY: REMOVAL+

3. REMOVE SPARE WHEEL COVER ASSEMBLY (w/ Seat Heater System)

Click here 2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; DOOR / HATCH: LUGGAGE COMPARTMENT DOOR SUPPORT: REMOVAL+

4. REMOVE LUGGAGE COMPARTMENT INNER TRIM PAD (w/ Seat Heater System)

Click here 2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; DOOR / HATCH: LUGGAGE COMPARTMENT DOOR SUPPORT: REMOVAL+

5. DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL

for 2GR-FKS: Click here 2019 - 2021 MY Avalon [04/2018 - 08/2021]; MAINTENANCE: 2GR-FKS BATTERY: REMOVAL+

for A25A-FXS: Click here 2020 - 2021 MY Avalon HV [08/2019 - 08/2021]; MAINTENANCE: A25A-FXS AUXILIARY BATTERY: REMOVAL+

for A25A-FKS: Click here 2021 - 2022 MY Avalon [08/2020 -        ]; MAINTENANCE: A25A-FKS BATTERY: REMOVAL+

CAUTION:

Wait at least 90 seconds after disconnecting the cable from the negative (-) auxiliary battery terminal to disable the SRS system.

NOTICE:

When disconnecting the cable, some systems need to be initialized after the cable is reconnected.

Click here 2021 MY Avalon Avalon HV [08/2020 - 08/2021]; INTRODUCTION: REPAIR INSTRUCTION: INITIALIZATION

6. DISCONNECT REAR CENTER SEAT OUTER BELT ASSEMBLY

Click here 2021 MY Avalon Avalon HV [08/2020 - 08/2021]; SEAT: REAR SEAT ASSEMBLY: REMOVAL+

7. REMOVE REAR SEAT CUSHION ASSEMBLY

Click here 2021 MY Avalon Avalon HV [08/2020 - 08/2021]; SEAT: REAR SEAT ASSEMBLY: REMOVAL+

8. REMOVE REAR SEAT CUSHION LOCK HOOK

Click here 2021 MY Avalon Avalon HV [08/2020 - 08/2021]; SEAT: REAR SEAT ASSEMBLY: REMOVAL+

9. DISCONNECT REAR DOOR OPENING TRIM WEATHERSTRIP

HINT:

Disconnect the rear door opening trim weatherstrip to the extent that allows the removal of the rear side seatback assembly.

10. REMOVE REAR SIDE SEATBACK ASSEMBLY

Click here 2021 MY Avalon Avalon HV [08/2020 - 08/2021]; SEAT: REAR SEAT ASSEMBLY: REMOVAL+

11. REMOVE REAR SEAT SHOULDER BELT GUIDE

Click here 2021 - 2022 MY Avalon Avalon HV [08/2020 -        ]; SEAT: REAR SEAT ASSEMBLY: DISASSEMBLY+

12. REMOVE REAR SIDE SEATBACK COVER SUB-ASSEMBLY

Click here 2021 - 2022 MY Avalon Avalon HV [08/2020 -        ]; SEAT: REAR SEAT ASSEMBLY: DISASSEMBLY+

13. REMOVE REAR SEAT AIRBAG ASSEMBLY

CAUTION:

When storing the rear seat airbag assembly, keep the airbag deployment side facing upward.

Deployment Side

(a) Disengage the clamp.

(b) Disconnect the wire harness from the wire harness clamp.

(c) Remove the 2 nuts and rear seat airbag assembly.

NOTICE:

  • Do not reuse the nuts.
  • Make sure that the rear side seatback frame is not deformed. If it is deformed, replace it with a new one.