LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Scion >> 2016 >> FR-S Standard Trans >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Can Communication System (Diagnostics & Circuit Tests) >> Can Communication System >> Circuit Tests >> Open in CAN Main Bus Line [05/2014 - ] >> Description
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Open in CAN Main Bus Line [05/2014 - ]: 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 (brake actuator assembly)
  • 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.