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Home >> Lexus >> 2020 >> LS 500h AWD >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Supplemental Restraint System - Service Information (1 Of 6) >> KNEE AIRBAG ASSEMBLY (for Driver Side) >> Installation [10/2023 - ] >> Procedure

Installation [10/2023 - ]: Procedure

  1. INSTALL LOWER NO. 1 INSTRUMENT PANEL AIRBAG ASSEMBLY 
    1. Check that the power switch is off.
    2. Check that the cable is disconnected from the negative (-) auxiliary battery terminal.
      WARNING:
      • Wait at least 60 seconds after disconnecting the cable from the negative (-) auxiliary battery terminal to disable the SRS system.
      • If the airbag deploys for any reason, it may cause a serious accident.
      GTY581108Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. While holding the lower No. 1 instrument panel airbag assembly with one hand, perform the following procedure.
      1. Connect the airbag connector and push the lock button to lock.
        GTY804638Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Lock Button
        Push in this Direction
        NOTE:
        • When connecting any airbag connector, take care not to damage the airbag wire harness.
        • Make sure the lock button is securely locked.
      2. Insert it until the hood lock control lever locks.
        GTY825831Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        Insert until Lock Engages
      3. Attach the claw to connect the DLC3.
      4. Attach the wire harness clamp.
    4. Attach the claw to install the lower No. 1 instrument panel airbag assembly.
      GTY818204Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Install in this Direction
    5. Install the 4 bolts.

      Torque: 10 N.m (102 kgf/cm, 7 ft.lbf) 

      GTY793024Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. Check that there is no looseness in the lower No. 1 instrument panel airbag assembly.
  2. INSTALL NO. 1 CONSOLE UPPER PANEL GARNISH 

    Refer to PROCEDURE - Step 6

  3. INSTALL NO. 1 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 34

  4. INSTALL LOWER NO. 1 INSTRUMENT PANEL PAD SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 32

  5. INSTALL INSTRUMENT SIDE PANEL LH 

    Refer to PROCEDURE - Step 35

  6. INSTALL COWL SIDE TRIM BOARD LH 

    Refer to PROCEDURE - Step 33

  7. INSTALL FRONT DOOR SCUFF PLATE LH 

    Refer to PROCEDURE - Step 40

  8. CONNECT CABLE TO NEGATIVE AUXILIARY BATTERY TERMINAL 

    Refer to PROCEDURE - Step 2

  9. INSTALL LUGGAGE COMPARTMENT MAT SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 13

  10. INITIALIZATION AFTER RECONNECTING AUXILIARY BATTERY TERMINAL 

    Refer to WORK PROCEDURE [10/2022 - ]

    HINT: 

    When disconnecting and reconnecting the auxiliary battery, there is an automatic learning function that completes learning when the respective system is used.

    Refer to AUTOMATIC LEARNING CHART [10/2023 - ]

  11. PERFORM DIAGNOSTIC SYSTEM CHECK 

    Refer to DTC CHECK / CLEAR [10/2023 - ]

  12. CHECK SRS WARNING LIGHT 

    Refer to OPERATION CHECK [10/2023 - ]

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