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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Airbag System - Service Information (2 Of 2) >> SRS Seat Cushion Airbag Assembly >> Removal [10/2022 - 11/2023] >> Caution / Notice / Hint

Caution / Notice / Hint

The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during front seat cushion airbag assembly RH removal/installation are shown below.

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
Disconnect cable from negative auxiliary battery terminal Perform steering sensor zero point calibration Lane Control System Refer to INITIALIZATION [12/2019 - ]
Parking Support Brake System*1
Pre-collision System
Lighting System (EXT) (w/ AFS)
Initialize back door lock Power Door Lock Control System Refer to INITIALIZATION [12/2019 - 11/2023]
Reset back door close position Power Back Door System Refer to INITIALIZATION [12/2019 - 11/2023]
Removal/installation of the front passenger seat Zero point calibration (Occupant classification system)
  • Occupant Classification System
  • Passenger Airbag ON/OFF indicator
  • Airbag System (Front passenger side)
  • Seat Belt Warning System (Front passenger)
 Refer to INITIALIZATION [10/2021 - 11/2023]
  • Reclining motor (separate type front seatback spring assembly)*
  • Slide motor (separate type front seat cushion spring assembly)*
 Initialize position control ECU Front Power Seat Control System (w/ Memory) Refer to REGISTRATION [12/2019 - 11/2023]

*: Even when not replacing the part, it is necessary to perform the specified necessary procedures after installation.

*1: Learning can also be performed using the GTS.

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
Disconnect cable from negative auxiliary battery terminal Idle the engine for approximately 5 to 60 minutes or drive the vehicle until stop and start control is permitted Stop and Start System Refer to PRECAUTION [10/2022 - 11/2023]
Perform steering sensor zero point calibration Lane Control System Refer to INITIALIZATION [12/2019 - ]
Parking Support Brake System*1
Pre-collision System
Lighting System (EXT) (w/ AFS)
Initialize back door lock Power Door Lock Control System Refer to INITIALIZATION [12/2019 - 11/2023]
Reset back door close position Power Back Door System Refer to INITIALIZATION [12/2019 - 11/2023]
Removal/installation of the front passenger seat Zero point calibration (Occupant classification system)
  • Occupant Classification System
  • Passenger Airbag ON/OFF indicator
  • Airbag System (Front passenger side)
  • Seat Belt Warning System (Front passenger)
 Refer to INITIALIZATION [10/2021 - 11/2023]
  • Reclining motor (separate type front seatback spring assembly)*
  • Slide motor (separate type front seat cushion spring assembly)*
 Initialize position control ECU Front Power Seat Control System (w/ Memory) Refer to REGISTRATION [12/2019 - 11/2023]

*: Even when not replacing the part, it is necessary to perform the specified necessary procedures after installation.

*1: Learning can also be performed using the GTS.

WARNING:
GTY607029Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  • Be sure to read Precaution thoroughly before servicing.

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

  • Wear protective gloves. Sharp areas on the parts may injure your hands.
NOTE:
  • After the ignition switch is turned off, the radio and display receiver assembly records various types of memory and settings. As a result, after turning the ignition switch off, make sure to wait at least 2 minutes before disconnecting the cable from the negative (-) auxiliary battery terminal.
  • When the cable is disconnected from the negative (-) auxiliary battery terminal and the security lock setting has been enabled, multi-display operations will be disabled upon next startup unless the password is entered. Be sure to check the security lock setting before disconnecting the cable from the negative (-) auxiliary battery terminal.
  • If the front seat cushion airbag assembly RH has been deployed, replace the front seat cushion airbag assembly RH, separate type front seat cushion spring assembly, separate type front seat cushion pad and separate type front seat cushion cover with the necessary parts in accordance with the extent of the collision damage.

    for Power Seat: Refer to DISASSEMBLY [10/2021 - 11/2023]

    for Manual Seat: Refer to DISASSEMBLY [12/2019 - 11/2023]

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