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Occupant Classification System: Registration: Registration

  1. REGISTRATION 
    NOTE:
    • If any DTCs related to the occupant classification ECU are output, troubleshoot those DTCs by referring to the DIAGNOSTIC TROUBLE CODE CHART.
    • When ECU data saving or loading operations cannot be performed, replace the front seat cushion (with occupant classification ECU and occupant detection sensor).

    HINT: 

    • When the occupant classification ECU is replaced, the previous ECU data must be saved in the Techstream and loaded into the new ECU by following the flowchart below.
    • Until the data from the previous ECU are loaded into the new occupant classification ECU, these data are not erased even when the tester is turned off.
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch to ON.
    3. Store the occupant classification ECU data in the Techstream by following the prompts on the tester screen.

      HINT: 

      If the ECU data cannot be stored in the Techstream, replace the front seat cushion (with occupant classification ECU and occupant detection sensor).

    4. Turn the ignition switch to OFF.
    5. Disconnect the negative (-) terminal cable from the battery, and wait for at least 90 seconds.
    6. Replace the front seat cushion (occupant classification ECU and occupant detection sensor). Refer to REMOVAL .
    7. Connect the negative (-) terminal cable to the battery.
    8. Turn the ignition switch to ON.
    9. Load the data from the previous ECU stored in the tester into the newly installed ECU by following the prompts on the tester screen.
    10. Turn the ignition switch to OFF.
    11. Turn the ignition switch to ON.
    12. Clear the DTCs stored in the memory. Refer to DTC CHECK / CLEAR .

      HINT: 

      If DTCs are not cleared at this time, past DTCs will remain.

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