Last Modified: 08-21-2023 6.11:8.1.0 Doc ID: RM100000001RUTE
Model Year Start: 2021 Model: Avalon HV Prod Date Range: [08/2020 - 08/2021]
Title: DOOR LOCK: DOOR CONTROL RECEIVER: 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 electrical key and tire pressure warning ECU and receiver removal/installation are shown below.

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

Replaced Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function When Necessary Procedures are 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 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

Electrical key and tire pressure warning ECU and receiver
  • 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 for Registration

2019 - 2022 MY Avalon [04/2018 -        ]; TIRE PRESSURE MONITORING: TIRE PRESSURE WARNING SYSTEM(for Gasoline Model): INITIALIZATION for Initialization

CAUTION:

Some of these service operations affect the SRS airbag system. Read the precautionary notices concerning the SRS airbag system before servicing.

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

NOTICE:

When replacing the electrical key and tire pressure warning ECU and receiver, read the transmitter IDs stored in the old ECU using the Techstream and write them down before removal.

Click here 2019 - 2022 MY Avalon [04/2018 -        ]; TIRE PRESSURE MONITORING: TIRE PRESSURE WARNING SYSTEM(for Gasoline Model): DATA LIST / ACTIVE TEST

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

Replaced Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function When Necessary Procedures are 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

Electrical key and tire pressure warning ECU and receiver
  • 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 HV [08/2019 -        ]; TIRE PRESSURE MONITORING: TIRE PRESSURE WARNING SYSTEM (for HV Model): REGISTRATION for Registration

2019 - 2022 MY Avalon HV [04/2018 -        ]; TIRE PRESSURE MONITORING: TIRE PRESSURE WARNING SYSTEM (for HV Model): INITIALIZATION for Initialization

CAUTION:

Some of these service operations affect the SRS airbag system. Read the precautionary notices concerning the SRS airbag system before servicing.

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

NOTICE:

When replacing the electrical key and tire pressure warning ECU and receiver, read the transmitter IDs stored in the old ECU using the Techstream and write them down before removal.

Click here 2019 - 2022 MY Avalon HV [04/2018 -        ]; TIRE PRESSURE MONITORING: TIRE PRESSURE WARNING SYSTEM (for HV Model): DATA LIST / ACTIVE TEST

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 A25A-FKS:

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

for A25A-FXS:

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

for 2GR-FKS:

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

CAUTION:

  • Wait at least 90 seconds after disconnecting the cable from the negative (-) auxiliary battery terminal to disable the SRS system.
  • If an airbag deploys for any reason, it may cause a serious injury.

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. REMOVE REAR SIDE SEATBACK ASSEMBLY RH

HINT:

Use the same procedure as for the LH side.

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

10. DISCONNECT REAR DOOR OPENING TRIM WEATHERSTRIP RH

HINT:

Use the same procedure as for the LH side.

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

11. REMOVE ROOF SIDE RAIL GARNISH ASSEMBLY RH

HINT:

Use the same procedure as for the LH side.

Click here 2021 MY Avalon Avalon HV [08/2020 - 08/2021]; INTERIOR PANELS / TRIM: ROOF HEADLINING: REMOVAL+

12. REMOVE ROOF SIDE INNER GARNISH RH

HINT:

Use the same procedure as for the LH side.

Click here 2021 MY Avalon Avalon HV [08/2020 - 08/2021]; INTERIOR PANELS / TRIM: ROOF HEADLINING: REMOVAL+

13. REMOVE ELECTRICAL KEY AND TIRE PRESSURE WARNING ECU AND RECEIVER

NOTICE:

  • Do not drop, strike or otherwise subject the electrical key and tire pressure warning ECU and receiver to impact.
  • If the electrical key and tire pressure warning ECU and receiver is subjected to an impact, replace it with a new one.

(a) Remove the bolt.

(b) Disengage the 2 guides.

(c) Disconnect the connector to remove the electrical key and tire pressure warning ECU and receiver.