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.

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".	EWP (HEV) connector	4 (ON/START Input)	Chassis ground	-	B+
Ignition "OFF". Disconnect auxiliary battery (-) cable. Disconnect main battery safety plug, and wait for 5 minutes. Disconnect the electrical connector(s) from the concerned component.	EWP (HEV) connector	3 (ground)	Chassis ground	-	Approx. below 1Ω
Ignition "ON".	EWP (HEV) connector	2 (LIN)	Chassis ground	-	Fig.1

Courtesy of KIA MOTORS AMERICA, INC.

Good

Carefully re-do this troubleshooting guide steps.
If problem still occurs, replace HPCU and perform "VEHICLE S/W MANAGEMENT " with reference to P0A0D00.
After performing "Vehicle S/W Management" procedure, go to "Verification Of Repair " procedure.

No Good

If problem still occurs, replace, EWP and then operate Electric Water Pump (HEV) to recirculate and refill coolant.
go to "Verification Of Repair " procedure.

CAUTION: Perform "Motor/HSG Resolver Calibration" with KDS in Case HPCU or motor is replaced or repaired, and then operate Electric Water Pump (EWP) to recirculate and refill coolant.