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Home >> Toyota >> 2012 >> Prius Plug-in >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 116 (Lin Communication System (Except Plug-In) (Diagnostic Codes)) >> Lin Communication System >> DTC B2785: Communication Malfunction between ECUs Connected by LIN >> Inspection Procedure
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Inspection Procedure

WARNING: This page is about a different variant/trim than selected.
NOTE:
  • If the certification ECU (smart key ECU assembly) is replaced, register the key.
  • If the transmission control ECU assembly is replaced, register the ECU code.
  • 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 power 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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