Circuit Inspection

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

G13286315

Courtesy of KIA MOTORS AMERICA, INC.

Inspection Condition	(+) Probe		(-) Probe		Specification
Inspection Condition	connector	Terminal	connector	Terminal	Specification
Ignition "ON".	CLU connector	30 (M-CAN high)	Chassis ground	-	Fig.1
Ignition "ON".	CLU connector	29 (M-CAN low)	Chassis ground	-	Fig.1
Ignition "OFF". Disconnect the battery (-) terminal. Disconnect the electrical connector (s) from the concerned component.	CLU connector	30 (M-CAN high)	Chassis ground	-	∞ (infinity)Ω
	CLU connector	29 (M-CAN low)	Chassis ground	-	∞ (infinity)Ω
	CLU connector	30 (M-CAN high)	ICU connector	7 (M-CAN high)	Approx. below 1Ω
	CLU connector	29 (M-CAN low)	ICU connector	8 (M-CAN low)	Approx. below 1Ω

G13286316

Courtesy of KIA MOTORS AMERICA, INC.

Good

Disconnect M-CAN communication units one by one and monitor DTC to find the cause.
If the DTC erase, replace the unit and go to "Verification of Repair " procedure.

No Good

Check for open, short to battery or ground in M-CAN line.
Repair as necessary, go to "Verification of Repair " procedure.