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Registration [09/2015 - ]: Procedure

  1. REGISTRATION 
    NOTE:
    • After turning the power switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) auxiliary battery terminal notices before proceeding with work (Refer to PRECAUTION [09/2015 - ] ).
    • When disconnecting the cable from the negative (-) auxiliary battery terminal while performing repairs, some systems need to be initialized after the cable is reconnected (Refer to INITIALIZATION [09/2015 - ] ).
    • 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 set (with occupant classification ECU and occupant detection sensor).

    HINT: 

    • When the front seat set (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 Techstream is turned off.
    • ECU EXCHANGE procedure (Before Exchange) describes the procedure to save the data in the Techstream from the occupant classification ECU which was installed on the vehicle. ECU EXCHANGE procedure (After Exchange) describes the procedure to load the data from the previous ECU, stored in the Techstream, into the new ECU.
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch ON (IG).
    3. Store the occupant classification ECU data in the Techstream by following the prompts on the Techstream screen.

      HINT: 

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

    4. Turn the power switch ON (IG).
    5. Disconnect the negative (-) terminal cable from the auxiliary battery, and wait for at least 90 seconds.
    6. Replace the front seat set (occupant classification ECU) (Refer to DISASSEMBLY [09/2015 - ] ).
    7. Connect the negative (-) terminal cable to the auxiliary battery.
    8. Turn the power switch ON (IG).
    9. Load the data from the previous ECU stored in the Techstream into the newly installed ECU by following the prompts on the Techstream screen.
    10. Turn the power switch OFF.
    11. Turn the power switch ON (IG).
    12. Clear the DTCs stored in the memory (Refer to DTC CHECK / CLEAR [09/2015 - ] ).

      HINT: 

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

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