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Home >> Lexus >> 2019 >> LS 500h RWD >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Supplemental Restraint System - Service Information (5 Of 6) >> Front Airbag Sensor >> Removal [10/2017 - 09/2018] >> Procedure

Removal [10/2017 - 09/2018]: Procedure

  1. PRECAUTION 
    WARNING:

    Be sure to read precaution thoroughly before servicing.

    GTY824211Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    Refer to PRECAUTION [10/2017 - 10/2020]

    NOTE:

    After turning the power 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.

    Refer to PRECAUTION [10/2017 - 09/2019]

  2. REMOVE LUGGAGE COMPARTMENT MAT SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 24

  3. DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL 

    Refer to PROCEDURE - Step 3

    WARNING:
    • Wait at least 90 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
    NOTE:

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

    Refer to INITIALIZATION [10/2017 - 09/2018]

  4. REMOVE HEADLIGHT ASSEMBLY LH 

    Refer to REMOVAL [10/2017 - 10/2020]

  5. REMOVE FRONT AIRBAG SENSOR LH 
    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 90 seconds after disconnecting the cable from the negative (-) auxiliary battery terminal to disable the SRS system.
        GTY581108Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      • If this procedure is performed without disconnecting the negative (-) auxiliary battery terminal of the battery, the airbag may deploy even if an impact is applied only to the front airbag sensor. Therefore, make sure that the negative (-) auxiliary battery terminal of the battery is disconnected before performing this procedure.
        GTY796829Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Disconnect the airbag connector.
      NOTE:

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

      1. Push down the housing lock and slide the CPA. (At this time, the connector cannot be disconnected yet.)
        GTY836625Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Housing Lock *b CPA
        *c CPA Upper Part *d Connector Lock is Released
      2. Push the housing lock again and disconnect the connector.
        NOTE:

        Do not push down the upper part of the CPA shown in the illustration when disconnecting the airbag connector.

      3. After disconnecting the connector, check that the position of the housing lock is correct as shown in the illustration.
        GTY824218Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a CPA *b Housing
        *c Correct *d Incorrect
    4. Remove the bolt.
      GTY792942Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:
      • Loosen the bolt while holding the front airbag sensor LH because the front airbag sensor LH guide is easily damaged.
      • If the front airbag sensor LH has been dropped, replace it with a new one.
    5. Detach the guide and remove the front airbag sensor LH.
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