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.

Charge Terminal Inspection
Inspection Condition	(+) Probe		(-) Probe		Specification
Inspection Condition	Connector	Terminal	Connector	Terminal	Specification
Ignition "OFF". Disconnect the electrical connector(s) from the concerned component. Ignition "ON".	FB11 connector	8 (signal)	Chassis ground	-	5V
Ignition "OFF". Disconnect the electrical connector(s) from the concerned component. Ignition "ON".	FB11 connector	9 (ground)	Chassis ground	-	Approx. 1 to 1.7V (lock)
	FB11 connector	9 (ground)	Chassis ground	-	Approx. 2.7 to 3.55V (unlock)
Ignition "OFF". Disconnect main battery safety plug, and wait for 5 minutes. Check high voltage terminal is lower than 30V.	FB11 connector	8 (signal)	OBC connector	6 (signal)	Approx. below 1Ω
	FB11 connector	9 (ground)	OBC connector	14 (ground)	Approx. below 1Ω
Ignition "OFF". Disconnect the electrical connector(s) from the concerned component. Ignition "ON".	FB11 connector	11 (unlock)	Chassis ground	-	B+
	FB11 connector	10 (lock)	Chassis ground	-	B+
	OBC connector	31 (unlock)	Chassis ground	-	B+
	OBC connector	23 (lock)	Chassis ground	-	B+

Good

Carefully re-do this troubleshooting guide steps.
If no problems were found with the circuits or connectors, replace the OBC and then Go to "Verification Of Repair " procedure.

No Good

Repair as necessary and then Go to "Verification Of Repair " procedure.

CAUTION: ■ In case of replaced or repaired OBC, Replenish the cooling water and the electric water pump (EWP) is driven by KDS to circulate the cooling water.