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Home >> Lexus >> 2021 >> LC 500 2D Coupe >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Supplemental Restraint System - Service Information (Coupe) (2 Of 2) >> Occupant Classification Ecu >> Installation [03/2017 - ] >> Procedure

Installation [03/2017 - ]: Procedure

  1. INSTALL OCCUPANT DETECTION ECU 
    1. Attach the claw to install the occupant detection ECU.
      GTY802488Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      If the occupant detection ECU has been dropped, or there are any cracks, dents or other defects in the case or connector, replace the occupant detection ECU with a new one.

    2. Connect the 2 connectors.
      NOTE:

      When installing the occupant detection ECU, make sure that the SRS wiring does not interfere with or is pinched between other parts.

  2. INSTALL FRONT SEAT ASSEMBLY RH 

    HINT: 

    Use the same procedure as for the LH side.

    Refer to INSTALLATION [03/2017 - 04/2020] , or refer to INSTALLATION [04/2020 - 05/2023] , or refer to INSTALLATION [05/2023 - ]

  3. PERFORM ZERO POINT CALIBRATION AND SENSITIVITY CHECK 

    Refer to INITIALIZATION [03/2017 - ]

  4. PERFORM DIAGNOSTIC SYSTEM CHECK 

    Refer to DTC CHECK / CLEAR [03/2017 - 04/2020] , or refer to DTC CHECK / CLEAR [04/2020 - ]

  5. SRS WARNING LIGHT 

    Refer to DIAGNOSTIC TROUBLE CODE CHART [03/2017 - 04/2020] , or refer to DIAGNOSTIC TROUBLE CODE CHART [04/2020 - 05/2023] , or refer to DIAGNOSTIC TROUBLE CODE CHART [05/2023 - ]