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Home >> Toyota >> 2016 >> Corolla LE >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Can Communication System - (W/O Central Gateway Ecu) - Diagnostics & Circuit Tests (2 Of 2) (Model Code: ZRE172) >> CAN COMMUNICATION SYSTEM (W/O Central Gateway ECU) >> Open in CAN Main Bus Line [08/2016 - ] >> Description
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Open in CAN Main Bus Line [08/2016 - ]: 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 the DLC3 is 70 Ω or higher.
  • DLC3 branch lines or connector
  • CAN main bus lines or connector
  • ECM
  • Combination meter assembly
  • No. 2 CAN junction connector
  • No. 3 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.