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Removal [12/2019 - 10/2022]: Procedure

  1. PRECAUTION 
    WARNING:

    Be sure to read Precaution thoroughly before servicing.

    GTY607029Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    Refer to PRECAUTION [12/2019 - 11/2023]

    NOTE:

    After turning the ignition switch 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.

  2. REMOVE BATTERY SERVICE HOLE COVER (for HV Model) 

    Refer to PROCEDURE - Step 1

  3. DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL 

    for 2GR-FKS: Refer to PROCEDURE - Step 1

    for A25A-FXS: Refer to PROCEDURE - Step 2

    WARNING:

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

    GTY684647Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    NOTE:

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

    Refer to INITIALIZATION [12/2019 - 09/2020] , or refer to INITIALIZATION [09/2020 - 10/2021] , or refer to INITIALIZATION [10/2021 - 10/2022]

  4. REMOVE LOWER NO. 3 STEERING WHEEL COVER 
    1. Using a screwdriver, insert the screwdriver into the cutout of the lower No. 3 steering wheel cover and disengage the claw and guide to remove the lower No. 3 steering wheel cover.
      GTY818177Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Protective Tape

      HINT: 

      Tape the screwdriver tip before use.

  5. REMOVE LOWER NO. 2 STEERING WHEEL COVER 
    1. Using a screwdriver, insert the screwdriver into the cutout of the lower No. 2 steering wheel cover and disengage the claw and guide to remove the lower No. 2 steering wheel cover.
      GTY838314Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Protective Tape

      HINT: 

      Tape the screwdriver tip before use.

  6. REMOVE HORN BUTTON ASSEMBLY 
    WARNING:

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

    GTY784952Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Deployment Side
    1. Check that the ignition switch is off.
    2. Check that the cable is disconnected from the negative (-) auxiliary battery terminal.
      WARNING:

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

    3. Using a screwdriver, push in the 3 torsion springs to disengage the 3 pins as shown in the illustration.
      GTY844283Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Torsion Spring
      Push in this Direction
      NOTE:

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

      HINT: 

      Insert the screwdriver from the installation holes for the lower No. 3 steering wheel cover or lower No. 2 steering wheel cover.

    4. Pull out the horn button assembly from the steering wheel assembly and hold the horn button assembly with one hand.
      NOTE:

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

    5. Disconnect the horn connector from the horn button assembly.
      GTY850990Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Airbag Connector
      *b Horn Connector
      *c Protective Tape
      *d Wire Harness Clamp
      Release in this Direction
      Remove in this Direction
    6. Disconnect the 2 airbag connectors.
      NOTE:

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

      HINT: 

      Refer to How to Connect or Disconnect Airbag Connector.

      Refer to HOW TO CONNECT OR DISCONNECT AIRBAG CONNECTOR [12/2019 - 11/2023]

    7. 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.
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