Open in Bus 4 Main Bus Line [12/2017 - 10/2020]: Description

There may be an open circuit in one of the CAN main bus lines when the resistance between terminals 22 (CA2H) and 7 (CA2L) of the central gateway ECU (network gateway ECU) is 70 Ω or higher.

Symptom	Trouble Area
Resistance between terminals 22 (CA2H) and 7 (CA2L) of the central gateway ECU (network gateway ECU) is 70 Ω or higher.	CAN main bus wire or connector CAN branch bus wire or connector No. 1 CAN junction terminal No. 2 CAN junction terminal No. 4 CAN junction connector No. 12 CAN junction connector No. 14 CAN junction connector

This malfunction is not related to the lines of a CAN branch or to ECUs or sensors connected to a CAN branch. (except Central Gateway ECU [Network Gateway ECU]).