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Home >> Lexus >> 2021 >> LC 500 2D Coupe >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Supplemental Restraint System - Service Information (Coupe) (1 Of 2) >> Front Seat Side Airbag Assembly >> Installation [04/2020 - ] >> Procedure

Installation [04/2020 - ]: Procedure

  1. INSTALL FRONT SEAT SIDE SUPPORT BRACKET LH 

    Refer to PROCEDURE - Step 24

  2. INSTALL FRONT SEAT AIRBAG ASSEMBLY LH 
    1. Install the front seat side airbag assembly LH with 2 new nuts.

      Torque: 5.5 N.m (56 kgf/cm, 49 in.lbf) 

      NOTE:
      • Do not reuse the nut.
      • If the frame assembly is deformed or damaged, replace it with a new one.

      HINT: 

      Install the assembly together with the front seat side support bracket LH.

    2. Attach the clamp and connect the wire harness of the front seat airbag assembly LH.
  3. INSTALL FRONT SEATBACK SUPPORT LH 

    Refer to PROCEDURE - Step 26

  4. INSTALL FRONT SEATBACK HOOK 

    Refer to PROCEDURE - Step 31

  5. INSTALL LUMBAR SUPPORT ADJUSTER ASSEMBLY LH 

    Refer to PROCEDURE - Step 32

  6. INSTALL SEATBACK CLIMATE CONTROL BLOWER LH 

    Refer to PROCEDURE - Step 33

  7. INSTALL FRONT SEATBACK COVER WITH PAD LH (for Standard Seat Type) 

    Refer to PROCEDURE - Step 38

  8. INSTALL FRONT SEATBACK PAD WITH COVER LH (for Sports Seat Type) 

    Refer to PROCEDURE - Step 39

  9. INSTALL FRONT UPPER SEATBACK COVER SUB-ASSEMBLY LH (for Standard Seat Type) 

    Refer to PROCEDURE - Step 40

  10. INSTALL FRONT SEAT HEADREST SUPPORT (for Standard Seat Type) 

    Refer to PROCEDURE - Step 41

  11. INSTALL FRONT SEAT HEADREST SUPPORT (for Sports Seat Type) 

    Refer to PROCEDURE - Step 42

  12. INSTALL FRONT SEATBACK SUB-ASSEMBLY LH (for Standard Seat Type) 

    Refer to PROCEDURE - Step 43

  13. INSTALL RECLINING REMOTE CONTROL LEVER SUB-ASSEMBLY LH 

    Refer to PROCEDURE - Step 45

  14. INSTALL SEAT ADJUSTER COVER CAP LH 

    Refer to PROCEDURE - Step 46

  15. INSTALL SEPARATE TYPE FRONT SEATBACK ASSEMBLY 

    Refer to PROCEDURE - Step 47

  16. INSTALL LIMIT SWITCH ASSEMBLY 

    Refer to PROCEDURE - Step 1 [03/2017 - 05/2023] , or refer to PROCEDURE - Step 1 [05/2023 - ]

  17. INSTALL FRONT SEAT INNER CUSHION SHIELD LH 

    Refer to PROCEDURE - Step 49

  18. INSTALL FRONT SEAT CUSHION SHIELD LH 

    Refer to PROCEDURE - Step 56

  19. INSTALL POSITION CONTROL ECU ASSEMBLY 

    Refer to PROCEDURE - Step 61

  20. INSTALL FRONT SEAT ASSEMBLY LH 

    Refer to INSTALLATION [04/2020 - 05/2023] , or refer to INSTALLATION [05/2023 - ]

  21. PERFORM DIAGNOSTIC SYSTEM CHECK 

    Refer to DTC CHECK / CLEAR [04/2020 - ]

  22. CHECK SRS WARNING LIGHT 

    Refer to OPERATION CHECK [04/2020 - ]

  23. PERFORM ZERO POINT CALIBRATION AND SENSITIVITY CHECK (for Front Passenger Seat) 

    Refer to INITIALIZATION [03/2017 - ]

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