Open in Bus 1 Main Bus Line [08/2018 - ]: Description

There may be an open circuit in one of the CAN main bus lines when the resistance between terminals 23 (CA1H) and 8 (CA1L) of the central gateway ECU (network gateway ECU) is 70 Ω or higher.

Symptom	Trouble Area
Resistance between terminals 23 (CA1H) and 8 (CA1L) of the central gateway ECU (network gateway ECU) is 70 Ω or higher.	CAN main bus lines or connector Central gateway ECU (network gateway ECU) No. 1 CAN junction connector No. 5 CAN junction connector (w/ Parking Assist Monitor System or Panoramic View Monitor System)

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