Last Modified: 08-21-2023 6.11:8.1.0 Doc ID: RM100000001RG49
Model Year Start: 2021 Model: Avalon HV Prod Date Range: [08/2020 -           ]
Title: SUPPLEMENTAL RESTRAINT SYSTEMS: STEERING PAD: INSTALLATION; 2021 - 2022 MY Avalon Avalon HV [08/2020 -        ]

INSTALLATION

PROCEDURE

1. INSTALL HORN BUTTON ASSEMBLY

(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) When using a new spiral cable sub-assembly:

(1) Engage the wire harness clamp and disconnect the airbag connector as shown in the illustration.

*a

Wire Harness Clamp

*b

Airbag Connector

Remove in this Direction

HINT:

Be sure to engage the wire harness clamp until it is locked.

(d) When reusing a spiral cable sub-assembly or spiral cable with sensor sub-assembly:

*a

Airbag Connector

*b

Horn Connector

*c

Airbag Connector Locking Button

*d

Wire Harness Clamp

Push in this Direction

(1) Engage the wire harness clamp.

HINT:

Be sure to engage the wire harness clamp until it is locked.

(e) Connect the 2 airbag connectors to the horn button assembly.

NOTICE:

  • When connecting any airbag connector, take care not to damage the airbag wire harness.
  • Be sure to connect the connectors to each corresponding color.

(f) Push in the 2 airbag connector locking buttons as shown in the illustration to install the 2 airbag connectors.

(g) Connect the horn connector to the horn button assembly.

(h) Push the horn button assembly to engage the 3 pins carefully and install the horn button assembly.

NOTICE:

  • Make sure that the pins are securely inserted into the steering wheel assembly holes.
  • Make sure to engage the 2 upper pins first.
  • Make sure that the horn button assembly is securely installed.

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

(a) Engage each claw to install the 3 lower No. 2 steering wheel covers.

*A

for LH Side

*B

for RH Side

*C

for Under Side

-

-

3. CONNECT CABLE TO NEGATIVE AUXILIARY BATTERY TERMINAL

for 2GR-FKS: Click here 2019 - 2022 MY Avalon [04/2018 -        ]; MAINTENANCE: 2GR-FKS BATTERY: INSTALLATION+

for A25A-FXS: Click here 2019 - 2022 MY Avalon HV [04/2018 -        ]; MAINTENANCE: A25A-FXS AUXILIARY BATTERY: INSTALLATION+

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

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 2022 MY Avalon Avalon HV [08/2021 -        ]; INTRODUCTION: REPAIR INSTRUCTION: INITIALIZATION

4. INSTALL LUGGAGE TRIM SERVICE HOLE COVER (for HV Model)

Click here 2019 - 2022 MY Avalon HV [04/2018 -        ]; MAINTENANCE: A25A-FXS AUXILIARY BATTERY: INSTALLATION+

5. INSPECT HORN BUTTON ASSEMBLY

(a) Make sure that the horn sounds.

If the horn does not sound, inspect the horn system.

Click here 2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; HORN: HORN SYSTEM: PROBLEM SYMPTOMS TABLE

6. PERFORM DIAGNOSTIC SYSTEM CHECK

for Gasoline Model: Click here 2019 - 2022 MY Avalon [04/2018 -        ]; SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM (for Gasoline Model): DTC CHECK / CLEAR

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

7. INSPECT SRS WARNING LIGHT

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

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