Entry Interior Alarm Does Not Sound

THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Entry Function): Entry Interior Alarm does not Sound

Entry Interior Alarm does not Sound

DESCRIPTION

The smart key 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
NOTICE: The smart key system (for entry function) uses a multiplex communication system (LIN communication system) and CAN communication system. Inspect the communication function by following How to Proceed with Troubleshooting How To Proceed With Troubleshooting. Troubleshoot the smart key system (for entry function) after confirming that the communication system is functioning properly.

PROCEDURE

1. CHECK COMBINATION METER ASSEMBLY (OPERATION)
(a) 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 (Proceed to Problem Symptoms Table)
OK -- REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)