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Occupant Classification Ecu: Installation

  1. INSTALL THE OCCUPANT CLASSIFICATION ECU 
    1. Check that the ignition switch is off.
    2. Check that the negative battery (-) terminal is disconnected.
      CAUTION: After disconnecting the negative battery terminal, wait for at least 90 seconds before starting the operation.
    3. Install the occupant classification ECU.
    4. Connect the 2 connectors to the occupant classification ECU.
      NOTE:
      • If the occupant classification ECU has been dropped, or there are any cracks, dents or other defects in the case or connector, replace it with a new one.
      • When installing the occupant classification ECU, be careful that the SRS wiring does not interfere with other parts and that it is not pinched between other parts.
      5. Fig 1: Installing Occupant Classification ECU
      G04466184Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSTALL FRONT SEAT ASSEMBLY RH (See  INSTALLATION  ). 
  3. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL 
  4. PERFORM INITIALIZATION 
    1. Perform initialization.

      HINT:

      Some systems need initialization when disconnecting the cable from the negative battery terminal.

  5. INSPECT SRS WARNING LIGHT 
    1. Inspect the SRS warning light (See DIAGNOSIS SYSTEM  ).
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