Check Bus 1 Line for Short to GND [10/2022 - ]: Description

WARNING: This page is about a different variant/trim than selected.

There may be a short circuit between one of the CAN bus wires and GND when there is no resistance between terminal 23 (CA1H) of the central gateway ECU (network gateway ECU) and terminal 4 (CG) of the DLC3, or terminal 8 (CA1L) of the central gateway ECU (network gateway ECU) and terminal 4 (CG) of the DLC3.

Symptom	Trouble Area
There is no resistance between terminal 23 (CA1H) of the central gateway ECU (network gateway ECU) and terminal 4 (CG) of the DLC3, or terminal 8 (CA1L) of the central gateway ECU (network gateway ECU) and terminal 4 (CG) of the DLC3.	Short to GND in CAN main bus wire Short to GND in CAN branch wire Central gateway ECU (network gateway ECU) Forward recognition camera Millimeter wave radar sensor assembly Blind spot monitor sensor LH2 Parking assist ECU3 Television camera assembly5 Clearance warning ECU assembly4 Inner rear view mirror assembly*1 No. 2 CAN junction connector No. 8 CAN junction connector No. 1 CAN junction terminal

Symptom

Trouble Area

There is no resistance between terminal 23 (CA1H) of the central gateway ECU (network gateway ECU) and terminal 4 (CG) of the DLC3, or terminal 8 (CA1L) of the central gateway ECU (network gateway ECU) and terminal 4 (CG) of the DLC3.

Short to GND in CAN main bus wire
Short to GND in CAN branch wire
Central gateway ECU (network gateway ECU)
Forward recognition camera
Millimeter wave radar sensor assembly
Blind spot monitor sensor LH*2
Parking assist ECU*3
Television camera assembly*5
Clearance warning ECU assembly*4
Inner rear view mirror assembly*1
No. 2 CAN junction connector
No. 8 CAN junction connector
No. 1 CAN junction terminal

*1: w/ Garage Door Opener System (for Digital Inner Mirror Type)

*2: w/ Blind Spot Monitor System

*3: w/ Panoramic View Monitor System

*4: w/ Intuitive Parking Assist System

*5: w/ Parking Assist Monitor System