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Home >> Toyota >> 2017 >> Sienna LE, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> Smart Key System (For Entry Function) - Diagnostic Codes & Symptom Tests >> SMART KEY SYSTEM(for Entry Function) >> Symptom Tests >> Entry Answer-back Buzzer does not Sound [12/2015 - ] >> Caution / Notice / Hint
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Caution / Notice / Hint

NOTE:

The smart key system (for entry function) uses a multiplex communication system (LIN communication system) and CAN communication system. Inspect the communication function by following How to Proceed with Troubleshooting (Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2015 - ] ). Troubleshoot the smart key system (for entry function) after confirming that the communication system is functioning properly.