Circuit Inspection

WARNING: This page is about a different variant/trim than selected.

G13682425

Courtesy of KIA MOTORS AMERICA, INC.

CAN Communication Line Inspection
Inspection Condition	(+) Probe		(-) Probe		Reference
Inspection Condition	Connector	Terminal	Connector	Terminal	Reference
Ignition "ON".	IBU connector	35 (P-CAN high)	Chassis ground	-	Fig.1
Ignition "ON".	IBU connector	36 (P-CAN low)	Chassis ground	-	Fig.1
Ignition "OFF". Disconnect the electrical connector(s) from the concerned component.	IBU connector	35 (P-CAN high)	IBU connector	36 (P-CAN low)	Approx. 60Ω
	PCM (component side)	6 (P-CAN high)	PCM (component side)	7 (P-CAN low)	Approx. 120Ω
	ICU (component side)	17 (P-CAN high)	ICU (component side)	18 (P-CAN low)	Approx. 120Ω
	IBU connector	35 (P-CAN high)	PCM connector	6 (P-CAN high)	Approx. below Ω
	IBU connector	36 (P-CAN low)	PCM connector	7 (P-CAN low)	Approx. below Ω
Ignition "OFF". Disconnect the battery (-) terminal. Disconnect the electrical connector(s) of all concerned components to the related CAN system.	IBU connector	35 (P-CAN high)	Chassis ground	-	∞ (infinity)Ω
	IBU connector	36 (P-CAN low)	Chassis ground	-	∞ (infinity)Ω

G13682453

Courtesy of KIA MOTORS AMERICA, INC.

Good

Go to "Module Circuit Inspection" procedure.

No Good

Repair open or short in circuit and then go to "Verification of Repair " procedure.

Module Circuit Inspection
Inspection Condition	(+) Probe		(-) Probe		Reference
Inspection Condition	Connector	Terminal	Connector	Terminal	Reference
Ignition "OFF". Disconnect the electrical connector(s) from the concerned component. Ignition "ON".	IBU connector	4, 11, 13, 14, 24 (power)	Chassis ground	-	B+
	IBU connector	6, 14(ground)	Chassis ground	-	Approx. below 1Ω

Good

Go to "Component Inspection " procedure.
Repair as necessary and then go to "Verification of Repair " procedure.

No Good

Repair open or short in circuit and then go to "Verification of Repair " procedure.