Circuit Inspection

WARNING: This page is about a different car, the 2024 Kia Sorento. 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 "OFF". Connect VMI to KDS and launch the oscilloscope (2 Channel). Ignition "ON".	HPCU connector	90 (G-CAN high)	Chassis ground	-	Fig.1
	HPCU connector	91 (G-CAN low)	Chassis ground	-	Fig.1
Ignition "OFF". Disconnect the auxiliary battery (-) cable. Disconnect the electrical connector(s) from the concerned component.	BMS (component side)	11 (G-CAN high)	BMS (component side)	10 (G-CAN low)	Approx. 120Ω
	ICU (component side)	29 (G-CAN high)	ICU (component side)	30 (G-CAN low)	Approx. 120Ω
	HPCU connector	90 (G-CAN high)	HPCU connector	91 (G-CAN low)	Approx. 60Ω
	HPCU connector	90 (G-CAN high)	Chassis ground	-	∞ (infinity)Ω
	HPCU connector	91 (G-CAN low)	Chassis ground	-	∞ (infinity)Ω
Ignition "OFF". Connect VMI to KDS and launch the oscilloscope (2 Channel). Ignition "ON".	HPCU connector	93 (H-CAN high)	Chassis ground	-	Fig.2
	HPCU connector	94 (H-CAN low)	Chassis ground	-	Fig.2
Ignition "OFF". Disconnect the auxiliary battery (-) cable. Disconnect the electrical connector(s) from the concerned component.	BMS (component side)	16 (H-CAN high)	BMS (component side)	15 (H-CAN low)	Approx. 120Ω
	ECM (component side)	80 (H-CAN high)	ECM (component side)	81 (H-CAN low)	Approx. 120Ω
	TCM connector	44 (H-CAN high)	TCM connector	43 (H-CAN low)	Approx. 60Ω
	HPCU connector	93 (H-CAN high)	HPCU connector	94 (H-CAN low)	Approx. 60Ω
	HPCU connector	93 (H-CAN high)	Chassis ground	-	∞ (infinity)Ω
	HPCU connector	94 (H-CAN low)	Chassis ground	-	∞ (infinity)Ω

Courtesy of KIA MOTORS AMERICA, INC.

Courtesy of KIA MOTORS AMERICA, INC.

Good

Go to "Module Circuit 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.

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 (Memory power)	Chassis ground	-	B+
Ignition "OFF". Disconnect the 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 "COMPONENT INSPECTION " procedure.

No Good

Repair or replace as necessary and then Go to "Verification Of Repair " procedure.
Repair open or short in circuit and then Go to "Verification Of Repair " procedure.