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Home >> Lexus >> 2011 >> RX 350 AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Lin Communication System (Diagnostic Codes B1206 - B278C) >> Lin Communication System >> DTC B2789: No Response from ID BOX >> Inspection Procedure

Inspection Procedure

NOTE:
  • If the certification ECU (smart key ECU assembly) is replaced, register the key.
  • If the ID code box (immobilizer code ECU) is replaced, register the ECU code and ECU communication ID.
  • When using the Techstream to troubleshoot with the engine switch off:

    Connect the Techstream to the DLC3, and turn the courtesy switch on and off at 1.5-second intervals until communication between the Techstream and vehicle begins.

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