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

DESCRIPTION

The entry and start system (for Entry Function) uses the buzzer in the combination meter assembly 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.

Tech Tips

This procedure is also applicable to push-button start.

CAUTION / NOTICE / HINT

Note


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

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

PROCEDURE


  1. CHECK COMBINATION METER ASSEMBLY (OPERATION)


    1. When the power switch is on (READY) and reverse (R) is selected, check that the combination meter buzzer sounds.

      OK
      Combination meter buzzer sounds.

    OK

    REPAIR CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

    NG

    GO TO METER / GAUGE SYSTEM (PROCEED TO PROBLEM SYMPTOMS TABLE) Click here