ENTRY AND START SYSTEM Entry Answer-back Buzzer does not Sound

DESCRIPTION

The entry and start system uses the wireless door lock buzzer to perform various vehicle exterior warnings. When each warning's conditions are met, the certification ECU sends a buzzer signal to the front light ECU, and the wireless door lock buzzer sounds*.

Tech Tips

For Europe and China, the wireless door lock buzzer does not sound.

PROCEDURE


  1. CHECK WIRELESS DOOR LOCK BUZZER OPERATION


    1. When the wireless operation is used to lock and unlock the doors, check that the wireless door lock buzzer sounds normally.

      Result
      Result Proceed to
      Buzzer sounds A
      Buzzer does not sound B

    A

    REPLACE CERTIFICATION ECU

    B

    GO TO WIRELESS DOOR LOCK CONTROL SYSTEM Click here