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Home >> Lexus >> 2009 >> IS F V8-5.0L (2UR-GSE) >> Repair and Diagnosis >> Accessories and Optional Equipment >> Antitheft and Alarm Systems >> Testing and Inspection >> Symptom Related Diagnostic Procedures >> Smart Access System With Push-Button Start (for Entry Function) >> Entry Answer-Back Buzzer Does Not Sound
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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 a entry lock/unlock signal to the main body ECU RH (cowl side junction block RH), and the wireless door lock buzzer sounds.

INSPECTION PROCEDURE

PROCEDURE

1. CHECK SMART ACCESS SYSTEM WITH PUSH-BUTTON START
(a) Check that the entry lock/unlock functions operate normally Smart Access System With Push-Button Start (for Entry Function).
OK:
Entry lock/unlock functions operate normally.
NG -- GO TO OTHER PROBLEM (Proceed to Problem Symptoms Table)
OK -- GO TO WIRELESS DOOR LOCK CONTROL SYSTEM (No Answer-Back)
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