Entry Interior Alarm Does Not Sound

THEFT DETERRENT / KEYLESS ENTRY: SMART ACCESS SYSTEM WITH PUSH-BUTTON START (for Entry Function): Entry Interior Alarm does not Sound
- Entry Interior Alarm does not Sound

DESCRIPTION

The smart access system with push-button start 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:
Since the smart access system with push-button start 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 How To Proceed With Troubleshooting.

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 Problem Symptoms Table

OK -- REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) Removal