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

DESCRIPTION

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

INSPECTION PROCEDURE

Note

Since the entry and start system has functions that use multiplex communication (BEAN), first confirm that there is no malfunction in the multiplex communication system by inspecting the multiplex communication functions in accordance with the How to Proceed with Troubleshooting procedure. Then, conduct the following inspection procedure Click here.

PROCEDURE


  1. CHECK COMBINATION METER ASSEMBLY (OPERATION)


    1. When the engine switch is on (IG) and the shift lever is in R, 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)