Last Modified: 08-21-2023 6.11:8.1.0 Doc ID: RM100000001AR9S
Model Year Start: 2019 Model: Avalon HV Prod Date Range: [04/2018 - 08/2020]
Title: SUPPLEMENTAL RESTRAINT SYSTEMS: STEERING PAD: REMOVAL; 2019 - 2020 MY Avalon Avalon HV [04/2018 - 08/2020]

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 horn button 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

PROCEDURE

1. PRECAUTION

CAUTION:

Be sure to read Precaution thoroughly before servicing.

for Gasoline Model: Click here 2019 - 2020 MY Avalon [04/2018 - 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:

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 2019 MY Avalon HV [04/2018 - 08/2019]; MAINTENANCE: A25A-FXS AUXILIARY BATTERY: REMOVAL+ 2020 - 2021 MY Avalon HV [08/2019 - 08/2021]; MAINTENANCE: A25A-FXS AUXILIARY BATTERY: REMOVAL+

3. DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL

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

for HV Model: Click here 2019 MY Avalon HV [04/2018 - 08/2019]; MAINTENANCE: A25A-FXS AUXILIARY BATTERY: REMOVAL+ 2020 - 2021 MY Avalon HV [08/2019 - 08/2021]; MAINTENANCE: A25A-FXS AUXILIARY 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 2019 - 2020 MY Avalon Avalon HV [04/2018 - 08/2020]; INTRODUCTION: REPAIR INSTRUCTION: INITIALIZATION

4. REMOVE LOWER NO. 2 STEERING WHEEL COVER (w/ Cover)

(a) Using a screwdriver with its tip wrapped with protective tape, disengage each claw to remove the 3 lower No. 2 steering wheel covers.

HINT:

Be careful when disengaging the claws, as the lower No. 2 steering wheel cover may fly off.

*A

for LH Side

*B

for RH Side

*C

for Under Side

-

-

*a

Protective Tape

-

-

5. REMOVE HORN BUTTON ASSEMBLY

CAUTION:

When storing the horn button assembly, keep the airbag deployment side facing upward.

Deployment Side

(a) Check that the engine switch (for Gasoline Model) or power switch (for HV Model) is off.

(b) Check that the cable is disconnected from the negative (-) auxiliary battery terminal.

CAUTION:

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

(c) Using a thin screwdriver, push in the 3 torsion springs to disengage the 3 pins as shown in the illustration.

*a

Torsion Spring

Push in this Direction

NOTICE:

Lightly hold the horn button assembly so that it does not fall.

HINT:

Insert the thin screwdriver from the 3 holes of the steering wheel lower cover.

(d) Pull out the horn button assembly from the steering wheel assembly and hold the horn button assembly with one hand.

NOTICE:

When separating the horn button assembly, do not pull the airbag wire harness.

(e) Disconnect the horn connector from the horn button assembly.

*a

Airbag Connector

*b

Horn Connector

*c

Airbag Connector Locking Button

*d

Protective Tape

*e

Wire Harness Clamp

Release in this Direction

Remove in this Direction

(f) Using a screwdriver with its tip wrapped with protective tape, release the 2 airbag connector locking buttons.

(g) Disconnect the 2 airbag connectors.

NOTICE:

When disconnecting any airbag connector, take care not to damage the airbag wire harness.

(h) Using a screwdriver with its tip wrapped with protective tape, release the lock and remove the wire harness clamp to remove the horn button assembly.