OCCUPANT CLASSIFICATION ECU REMOVAL

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed, installed or replaced during the occupant detection ECU removal/installation are shown below.

Necessary Procedures after parts removed / installed / replaced
Replacement Part or Procedure Necessary Procedures Effects / Inoperative when not Performed Link
Disconnect cable from negative battery terminal Drive the vehicle until stop and start control is permitted (approximately 5 to 60 minutes) Stop and start system

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Memorize steering angle neutral point Pre-crash safety system

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Tech Tips


  • Use the same procedure for RHD and LHD vehicles.

  • The procedure listed below is for LHD vehicles.

PROCEDURE


  1. PRECAUTION

    CAUTION:

    Be sure to read Precaution thoroughly before servicing.

    Click here

    B0069A2

    Note


    • After turning the ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.

      Click here

    • When removing front seat assembly RH, perform zero point calibration and sensitivity check.

      Click here

    • When replacing the occupant detection ECU, perform zero point calibration and sensitivity check.

      Click here

  2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

    CAUTION:


    • Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

    • If the airbag deploys for any reason, it may cause a serious accident.

    B00693Q

    Note

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

    Click here

  3. REMOVE FRONT SEAT ASSEMBLY RH

    for Manual Seat:

    Click here

    for Power Seat:

    Click here

  4. REMOVE OCCUPANT DETECTION ECU


    1. B0025LF

      Disconnect the 2 connectors.

    2. Detach the claw and remove the occupant detection ECU.