Circuit Inspection

G14962974

Courtesy of KIA MOTORS AMERICA, INC.

Module Circuit Inspection
Inspection Condition	(+) Probe		(-) Probe		Specification
Inspection Condition	Connector	Terminal	Connector	Terminal	Specification
Disconnect the electrical connector(s) from the concerned component. Ignition "ON".	HPCU connector	4, 5, 6, 46 (power)	Chassis ground	-	B+
Ignition "OFF", remove the safety plug. Disconnect auxiliary battery (-) cable. Disconnect the electrical connector(s) from the concerned component.	HPCU connector	1, 2, 3 (ground)	Chassis ground	-	Approx. below 1Ω

Good

Go to "CAN Communication Line Inspection" procedure.

No Good

Repair open or short in ground circuit and then Go to "Verification Of Repair " procedure.

CAN Communication Line Inspection
Inspection Condition	(+) Probe		(-) Probe		Specification
Inspection Condition	Connector	Terminal	Connector	Terminal	Specification
Ignition "OFF". Connect VMI to KDS and launch the oscilloscope (2 channel) Ignition "ON".	OBC connector	8 (G-CAN high)	Chassis ground	-	Fig.1
	OBC connector	16 (G-CAN low)	Chassis ground	-	Fig.1
Ignition "OFF". Disconnect auxiliary battery (-) cable. Disconnect the electrical connector(s) from the concerned component.	HPCU connector	90 (G-CAN high)	HPCU connector	91 (G-CAN low)	Approx. 60Ω
	OBC connector	8 (G-CAN high)	HPCU connector	90 (G-CAN high)	Approx. below 1Ω
	OBC connector	16 (G-CAN low)	HPCU connector	91 (G-CAN low)	Approx. below 1Ω
Ignition "OFF". Disconnect main battery safety plug, and wait for 5 minutes. Disconnect the electrical connector(s) from the concerned component.	ICU (componentside)	29 (G-CAN high)	ICU (component side)	30 (G-CAN low)	Approx. 120Ω
	BMS (component side)	11 (G-CAN high)	BMS (component side)	10 (G-CAN low)	Approx. 120Ω

G14962975

Courtesy of KIA MOTORS AMERICA, INC.

Good

Go to "COMPONENT INSPECTION " procedure.

No Good

Repair open or short in signal circuit and then Go to "Verification Of Repair " procedure.