Circuit Inspection

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

Courtesy of KIA MOTORS AMERICA, INC.

Courtesy of KIA MOTORS AMERICA, INC.

Inspection Condition	(+) Probe		(-) Probe		Specification
Inspection Condition	Connector	Terminal	Connector	Terminal	Specification
Ignition "ON".	ICU connector	11 (C-CAN high)	Chassis ground	-	Fig.1
Ignition "ON".	ICU connector	10 (C-CAN low)	Chassis ground	-	Fig.1

Courtesy of KIA MOTORS AMERICA, INC.

Good

Go to "C-CAN Inspection" procedure below.

No Good

Repair open or short in circuit and then go to "VERIFICATION OF REPAIR " procedure.

C-CAN Inspection
Inspection Condition	(+) Probe		(-) Probe		Specification
Inspection Condition	Connector	Terminal	Connector	Terminal	Specification
Ignition "OFF" and disconnect the battery (-) terminal. Disconnect the electrical connector(s) from the concerned component.	MDPS unit connector	7 (C-CAN high)	MDPS unit connector	8 (C-CAN low)	Approx. 60Ω

Good

Fault might be intermittent and caused either by poor contact in connectors or wiring harness, or it has been repaired and control module memory is not cleared yet. Thoroughly check terminal of battery, all connectors (and connections) for looseness, bending, corrosion, contamination, deterioration, and/or damage.
Repair or replace as necessary and then go to "VERIFICATION OF REPAIR " procedure.

No Good

Carefully re-do this troubleshooting guide steps.
If no problems were found with the circuits or connectors, go to "COMPONENT INSPECTION " procedure.