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Home >> Lexus >> 2018 >> ES 350 >> Repair and Diagnosis (Single Page) >> Body & Frame >> Door Locks >> Smart Access System (For Entry Function) (Diagnostic Codes & Symptom Tests) >> Smart Access System With Push-Button Start (For Entry Function) >> Room Oscillator does not Recognize Key (07/2015 -) >> Caution / Notice / Hint
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Caution / Notice / Hint

NOTE:
  • The smart access system with push-button start (for Entry Function) uses the 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 (07/2015 -) ). Troubleshoot the smart access system with push-button start (for Entry Function) after confirming that the communication systems are functioning properly.
  • When using the Techstream with the vehicle engine switch off, connect the Techstream to the vehicle and turn a courtesy light switch on and off at intervals of 1.5 seconds or less until communication between the Techstream and the vehicle begins. Then select the vehicle type under manual mode and enter the following menus: Body Electrical / Smart Access. While using the Techstream, periodically turn a courtesy light switch on and off at intervals of 1.5 seconds or less to maintain communication between the Techstream and the vehicle.
  • Before replacing the certification ECU (smart key ECU assembly), refer to smart access system with push-button start (for Entry Function) Precaution (Refer to PRECAUTION (07/2015 -) ).
  • After repair, confirm that no DTCs are output by performing "DTC Output Confirmation Operation".
  • The indoor electrical key antenna assemblies each have an antenna coil between terminals CLGB and ANTE6, and CLGB and ANTE5.
  • The door control receiver is also related to interior verification.