Operation CHARM: Car repair manuals for everyone.

Entry Answer-Back Buzzer Does Not Sound





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

DESCRIPTION

The smart access system with push-button start 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 an entry lock/unlock signal to the main body ECU RH (cowl side junction block RH), and the wireless door lock buzzer sounds.

INSPECTION PROCEDURE

NOTICE:
The smart access system with push-button start (for entry function) uses a LIN communication system and BEAN 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 system is functioning properly.

PROCEDURE

1. CHECK SMART ACCESS SYSTEM WITH PUSH-BUTTON START

(a) Check that the entry lock/unlock functions operate normally Operation Check.

OK:

Entry lock/unlock functions operate normally.

NG -- GO TO OTHER PROBLEM (Proceed to Problem Symptoms Table) Problem Symptoms Table

OK -- GO TO WIRELESS DOOR LOCK CONTROL SYSTEM (Proceed to No Answer-Back) No Answer-Back (Hazard Warning Light and Wireless Door Lock Buzzer)