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 (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 (meter ECU) via CAN communication and the buzzer sounds.

INSPECTION PROCEDURE

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 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) 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.

    NG

    GO TO METER / GAUGE SYSTEM Click here

    OK

    REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)