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Home >> Lexus >> 2013 >> IS 350C Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> Smart Access System (Keyless Entry) (Diagnostics & Symptom Tests) >> SMART ACCESS SYSTEM WITH PUSH-BUTTON START (For Entry Function) >> Symptom Tests >> Entry Answer-back Buzzer does not Sound >> Inspection Procedure

Inspection Procedure

NOTE: 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. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2012 - ] . Troubleshoot the smart access system with push-button start (for entry function) after confirming that the communication system is functioning properly.