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Home >> Toyota >> 2015 >> Prius V Two >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> Smart Key System - Keyless Entry - (Diagnostic Codes & Symptom Tests) >> Smart Key System (For Entry Function) >> Symptom Tests >> Room Oscillator does not Recognize Key [11/2014 - ] >> Inspection Procedure
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Inspection Procedure

NOTE:
  • The smart key system (for Entry Function) uses a multiplex communication system (LIN communication system) and the CAN communication system. Inspect the communication function by following How to Proceed with Troubleshooting. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2014 - ] . Troubleshoot the smart key system (for Entry Function) after confirming that the communication systems are functioning properly.
  • When using the Techstream with the power switch off to troubleshoot:

    Connect the Techstream to the vehicle and turn a courtesy light switch on and off at 1.5-second intervals until communication between the Techstream and vehicle begins.

  • Before replacing the certification ECU (smart key ECU assembly), refer to the smart key system (for Entry Function). Refer to PRECAUTION [11/2014 - ] .
  • After repair, confirm DTC not reoccur with performing the "DTC Output Confirmation Operation".
  • Indoor electrical key antenna assembly have an antenna coil between each two CLG terminals.
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