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 buzzer in the combination meter assembly (meter ECU) to perform various vehicle interior warnings. When the conditions of each warning are met, the certification ECU sends a buzzer activation request signal to the combination meter assembly (meter ECU) via CAN communication and the buzzer sounds.

INSPECTION PROCEDURE

NOTICE:
* The smart access system with push-button start (for Entry Function) uses a multiplex communication system (LIN communication system) and the CAN communication system. Inspect the communication function by following How to Proceed with Troubleshooting How To Proceed With Troubleshooting. Troubleshoot the smart access system with push-button start (for Entry Function) after confirming that the communication systems are functioning properly.
* Before replacing the certification ECU, refer to the entry and start system (for Entry Function) Smart Access System With Push-Button Start (for Entry Function)
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 Removal