Switch CAN Communication Circuit Inspection

WARNING: This page is about a different car, the 2021 Hyundai Kona. However, it is still accessible from the selected car via links, so may be relevant.

Item	Normal value	Prerequisite condition	Probe (+)	Probe (-)
CAN Communication Circuit (Open/Short): resistance	Below 1Ω	1. BSD ECU. IGPM connector: Disconnected 2. Ignition switch: OFF	BSD ECU CAN High terminal	IGPM CAN High terminal
			BSD ECU CAN Low terminal	IGPM CAN Low terminal
		1. IGPM, EMS ECU connector: Disconnected 2. Ignition switch: OFF	IGPM CAN High terminal	EMS ECU CAN High terminal
			IGPM CAN Low terminal	EMS ECU CAN Low terminal

Is the result within specifications?
YES
- Replace the IGPM or TCU with an usable one. If the IGPM or TCU works properly, replace the Mirror (See MIRRORS ) and go to "VERIFICATION OF VEHICLE REPAIR ".
NO
- Inspect for an open in the CAN communication line between the BDS ECU and TCU.