Component Inspection

WARNING: This page is about a different car, the 2021 Kia Seltos. However, it is still accessible from the selected car via links, so may be relevant.

Inspection Condition	(+) Probe		(-) Probe		Specification
Inspection Condition	Connector	Terminal	Connector	Terminal	Specification
Measure the oscilloscope by connecting a 180Ω resistor between the (+) probe and the (-) probe. Engine "ON". Driving.	WSS RR connector (W/O EPB, 2WD)	2 (power)	Chassis ground	-	Fig.1 to 2
	WSS RR connector (W/O EPB, 4WD)	1 (power)	Chassis ground	-	Fig.1 to 2
	WSS RR connector (With EPB)	2 (power)	Chassis ground	-	Fig.1 to 2

Courtesy of KIA MOTORS AMERICA, INC.

Courtesy of KIA MOTORS AMERICA, INC.

Courtesy of KIA MOTORS AMERICA, INC.

Good

Fault might be intermittent and caused either by poor contact in connectors or wiring harness, or it has been repaired and control module memory is not cleared yet. Thoroughly check terminal of battery, all connectors (and connections) for looseness, bending, corrosion, contamination, deterioration, and/or damage.
Repair or replace as necessary and then go to "VERIFICATION OF REPAIR " procedure.

No Good

Carefully re-do this troubleshooting guide steps.
If no problems were found with the circuits or connectors, replace the WSS and go to "VERIFICATION OF REPAIR " procedure.