Circuit Inspection

Courtesy of KIA MOTORS AMERICA, INC.

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".	TPMS (IBU) connector	36 (B-CAN high)	Chassis ground	-	Fig.1
Ignition "ON".	TPMS (IBU) connector	35 (B-CAN low)	Chassis ground	-	Fig.1
Ignition "OFF". Disconnect the battery (-) terminal. Disconnect the electrical connector (s) from the concerned component.	TPMS (IBU) connector	36 (B-CAN high)	ICU connector	16 (B-CAN high)	Approx. below 1Ω
	TPMS (IBU) connector	35 (B-CAN low)	ICU connector	15 (B-CAN low)	Approx. below 1Ω
Ignition "ON".	ICU connector	9 (C-CAN high)	Chassis ground	-	Fig.2
Ignition "ON".	ICU connector	10 (C-CAN low)	Chassis ground	-	Fig.2
Ignition "OFF". Disconnect the battery (-) terminal. Disconnect the electrical connector (s) from the concerned component.	ICU connector	9 (C-CAN high)	CLU connector	32 (C-CAN high)	Approx. below 1Ω
	ICU connector	10 (C-CAN low)	CLU connector	33 (C-CAN low)	Approx. below 1Ω

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.