Circuit Inspection

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".	HECU connector	19 (C-CAN high)	Chassis ground	-	Fig. 1
	HECU connector	20 (C-CAN low)	Chassis ground	-	Fig. 1
	CLU connector	32 (E-CAN high)	Chassis ground	-	Fig. 2
	CLU connector	33 (E-CAN low)	Chassis ground	-	Fig. 2

Courtesy of KIA MOTORS AMERICA, INC.

Courtesy of KIA MOTORS AMERICA, INC.

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.
* In case of replacing the component, perform following "System Inspection" procedure.

No Good

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