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Home >> Toyota >> 2019 >> 86 Base, Automatic Trans >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Can Communication System - Diagnostics & Circuit Tests >> Can Communication System >> Open in CAN Main Bus Line [06/2016 - ] >> Description
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Open in CAN Main Bus Line [06/2016 - ]: Description

There may be an open circuit 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 64 Ω or higher.

Symptom Trouble Area
Resistance between terminals 6 (CANH) and 14 (CANL) of DLC3 is 64 Ω or higher.
  • DLC3 branch line or connector
  • CAN main bus line or connector
  • ECM
  • Skid control ECU
  • CAN No. 1 junction connector
  • CAN No. 2 junction connector

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