Last Modified: 08-21-2023 6.11:8.1.0 Doc ID: RM100000001AW8S
Model Year Start: 2019 Model: Avalon HV Prod Date Range: [04/2018 - 08/2021]
Title: TIRE PRESSURE MONITORING: TIRE PRESSURE WARNING RECEIVER: REMOVAL; 2019 - 2021 MY Avalon Avalon HV [04/2018 - 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 tire pressure warning ECU and receiver removal/installation are shown below.

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

Replacement Part or Procedure

Necessary Procedures

Effects/Inoperative when 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 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

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

2019 MY Avalon [04/2018 - 08/2019]; TIRE PRESSURE MONITORING: TIRE PRESSURE WARNING SYSTEM(for Gasoline Model): REGISTRATION 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

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

Replacement Part or Procedure

Necessary Procedures

Effects/Inoperative when 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

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

for Registration

2019 MY Avalon HV [04/2018 - 08/2019]; TIRE PRESSURE MONITORING: TIRE PRESSURE WARNING SYSTEM (for HV Model): REGISTRATION 2020 - 2022 MY Avalon HV [08/2019 -        ]; TIRE PRESSURE MONITORING: TIRE PRESSURE WARNING SYSTEM (for HV Model): REGISTRATION

for Initialization

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

CAUTION:

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

for Gasoline Model: Click here 2019 - 2020 MY Avalon [04/2018 - 08/2020]; SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM (for Gasoline Model): PRECAUTION 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

NOTICE:

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

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

for Gasoline Model: Click here 2019 - 2022 MY Avalon [04/2018 -        ]; TIRE PRESSURE MONITORING: TIRE PRESSURE WARNING SYSTEM(for Gasoline 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 ROOF SIDE INNER GARNISH RH

Click here 2019 - 2020 MY Avalon Avalon HV [04/2018 - 08/2020]; DOOR LOCK: DOOR CONTROL RECEIVER: REMOVAL 2021 MY Avalon Avalon HV [08/2020 - 08/2021]; DOOR LOCK: DOOR CONTROL RECEIVER: REMOVAL

3. REMOVE TIRE PRESSURE WARNING ECU AND RECEIVER

NOTICE:

  • Do not drop the tire pressure warning ECU and receiver, strike it with tools or subject it to impact.
  • If the 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 tire pressure warning ECU and receiver.