LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2008 >> RAV4 Base, 2.4 D, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 249 (Supplemental Restraint System (Service Information)) >> Occupant Classification Ecu >> Installation >> Installation
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Occupant Classification Ecu: Installation: Installation

WARNING: This page is about a different car, the 2009 Lexus IS F. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSTALL OCCUPANT CLASSIFICATION ECU 
    1. Install the occupant classification ECU with the 2 nuts.
      Fig 1: Locating Nuts And Occupant Classification ECU
      GTY125715Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 3.0 N*m ( 31 kgf*cm, 27 in.*lbf) 

      NOTE:
      • If the occupant classification ECU has been dropped, or there are any cracks, dents or other defects in the case or connector, replace the occupant classification ECU 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.
      • Do not allow oil or grease to adhere to the occupant classification ECU during installation.
    2. Connect the connector.
      NOTE:

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

  2. INSTALL FRONT SEAT ASSEMBLY RH 

    HINT: 

    Use the same procedure for the RH side and the LH side. Refer to INSTALLATION - Step 1 .

  3. INSTALL REAR INNER SEAT TRACK BRACKET COVER RH 

    HINT: 

    Use the same procedure for the RH side and the LH side. Refer to INSTALLATION - Step 2 .

  4. INSTALL REAR OUTER SEAT TRACK BRACKET COVER RH 

    HINT: 

    Use the same procedure for the RH side and the LH side. Refer to INSTALLATION - Step 3 .

  5. INSTALL FRONT INNER SEAT TRACK BRACKET COVER RH 

    HINT: 

    Use the same procedure for the RH side and the LH side. Refer to INSTALLATION - Step 4 .

  6. INSTALL FRONT OUTER SEAT TRACK BRACKET COVER RH 

    HINT: 

    Use the same procedure for the RH side and the LH side. Refer to INSTALLATION - Step 5 .

  7. INSTALL FRONT SEAT HEADREST ASSEMBLY RH 
  8. PERFORM REGISTRATION 
    1. If the occupant classification ECU has been replaced, perform registration. Refer to REGISTRATION .
  9. ZERO POINT CALIBRATION AND SENSITIVITY CHECK 
    1. If the occupant classification ECU has been replaced, perform zero point calibration and sensitivity check. Refer to INITIALIZATION .
  10. INSPECT SRS WARNING LIGHT 
    1. Inspect the SRS warning light. Refer to DIAGNOSIS SYSTEM .
  11. INSPECT FRONT SEAT ASSEMBLY  . Refer to INSTALLATION - Step 10
scientia non olet · About LEMON Manuals