ENTRY AND START SYSTEM(for Entry Function) Entry Interior Alarm does not Sound

DTC Code DTC Name
Entry Interior Alarm does not Sound

DESCRIPTION

The entry and start system (for Entry Function) uses the buzzer in the combination meter assembly (meter ECU) to perform various vehicle interior warnings. When the conditions of each warning are met, the certification ECU (smart key ECU assembly) sends a buzzer activation request signal to the combination meter assembly via CAN communication and the buzzer sounds.

CAUTION / NOTICE / HINT

Note:

  • The entry and start system (for Entry Function) uses a multiplex communication system (LIN communication system) and the CAN communication system. Inspect the communication function by following How to Proceed with Troubleshooting (Click hereClick here). Troubleshoot the entry and start system (for Entry Function) after confirming that the communication systems are functioning properly.

  • Before replacing the certification ECU (smart key ECU assembly), refer to the entry and start system (for Entry Function).

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PROCEDURE

  1. CHECK ENTRY DOOR LOCK OPERATION

    1. Check that the entry functions operate normally.

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      OK

      Entry functions operate normally.

    Result

    Proceed to

    Entry functions operate normally

    Entry functions does not operate
    Entry functions operate normally

    GO TO METER / GAUGE SYSTEM

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    Entry functions does not operate

    GO TO OTHER PROBLEM

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