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Home >> Lexus >> 2017 >> RC 350 Base, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Can Communication System - Circuit Tests (2 Of 5) >> Can Communication System >> Open in CAN Main Bus Line [09/2014 - 10/2015] >> Description

Open in CAN Main Bus Line [09/2014 - 10/2015]: Description

There may be an open circuit in one of the V bus main lines and/or a DLC3 branch line when the resistance between terminals 6 (CANH) and 14 (CANL) of the DLC3 is 70 Ω or higher.

Symptom Trouble Area
Resistance between terminals 6 (CANH) and 14 (CANL) of DLC3 is 70 Ω or higher.
  • DLC3 branch line or connector
  • CAN main bus line or connector
  • ECM
  • Combination meter assembly
  • No. 1 CAN junction connector
  • No. 2 CAN junction connector

This malfunction is not related to the lines of a CAN main bus branch or to ECUs or sensors connected to a CAN main bus branch.