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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Airbag System - Service Information (2 Of 2) >> Center Airbag Sensor Assembly >> Installation [10/2022 - 11/2023] >> Procedure

Installation [10/2022 - 11/2023]: Procedure

  1. INSTALL AIRBAG SENSOR ASSEMBLY 
    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. Install the airbag sensor assembly with the 3 bolts.

      Torque: 17.5 N*m (178 kgf*cm, 13 ft.*lbf) 

      NOTE:
      • If the airbag sensor assembly has been dropped, or there are any cracks, dents or other defects in the case or connector, replace it with a new one.
      • When installing the airbag sensor assembly, make sure that the wire harness does not interfere with other parts and is not pinched.
      • When the ignition switch is first turned to ON after the airbag sensor assembly has been replaced, make sure that no one is in the vehicle.
    4. Temporarily connect the connectors and then move the lock lever in the direction indicated by the arrow to securely connect the connectors.
      NOTE:

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

      GTY869512Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Lock Lever
      Move in this Direction
    5. Check that there is no looseness in the installed parts of the airbag sensor assembly.
  2. INSTALL FRONT NO. 2 CONSOLE BOX INSERT 

    Refer to PROCEDURE - Step 5

  3. INSTALL LOWER INSTRUMENT PANEL SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 14

  4. INSTALL NO. 2 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 15

  5. INSTALL COWL SIDE TRIM SUB-ASSEMBLY RH 

    HINT: 

    Use the same procedure as for the LH side.

    Refer to PROCEDURE - Step 49

  6. INSTALL FRONT DOOR SCUFF PLATE RH 

    HINT: 

    Use the same procedure as for the LH side.

    Refer to PROCEDURE - Step 50

  7. INSTALL CONSOLE BOX ASSEMBLY 

    Refer to INSTALLATION [10/2022 - ]

  8. CONNECT CABLE TO NEGATIVE AUXILIARY BATTERY TERMINAL 

    for T24A-FTS: Refer to PROCEDURE - Step 4

    for A25A-FXS: Refer to PROCEDURE - Step 2

    NOTE:

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

    Refer to INITIALIZATION [10/2022 - 11/2023]

  9. INSTALL BATTERY SERVICE HOLE COVER (for HV Model) 

    Refer to PROCEDURE - Step 3

  10. PERFORM DIAGNOSTIC SYSTEM CHECK 

    Refer to DTC CHECK / CLEAR [12/2019 - 11/2023]

  11. INSPECT SRS WARNING LIGHT 

    Refer to OPERATION CHECK [10/2022 - 11/2023]

  12. PERFORM INITIALIZATION 

    for Electronically Controlled Brake System (for Gasoline Model): Refer to UTILITY [12/2019 - 11/2023]

    for Stop and Start System: Refer to REGISTRATION [10/2022 - 11/2023]

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