Entry Answer-Back Buzzer Does Not Sound

DOOR LOCK: SMART KEY SYSTEM: Entry Answer-back Buzzer does not Sound

Entry Answer-back Buzzer does not Sound

DESCRIPTION

The smart key system uses the wireless door lock buzzer to perform various vehicle exterior warnings. When the conditions for each warning are met, the certification ECU (smart key ECU assembly) sends a buzzer signal to the wireless door lock buzzer, and the wireless door lock buzzer sounds.

INSPECTION PROCEDURE
NOTE: Before performing the inspection, check that there are no problems related to "CAN COMMUNICATION SYSTEM" and "LIN COMMUNICATION SYSTEM".

PROCEDURE

1. CHECK WIRELESS DOOR LOCK BUZZER OPERATION
(a) When the wireless operation is used to lock or unlock the doors, check that the wireless door lock buzzer sounds normally.
OK:
Wireless door lock buzzer sounds.
NG -- GO TO WIRELESS DOOR LOCK CONTROL SYSTEM
OK -- REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)