Circuit Inspection

WARNING: This page is about a different car, the 2024 Kia K5. However, it is still accessible from the selected car via links, so may be relevant.

G13811156

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".	Rain sensor connector	1 (power)	Chassis ground	-	B+
Ignition "OFF". Disconnect battery (-) cable. Disconnect the electrical connector(s) from the concerned component.	Rain sensor connector	2 (ground)	Chassis ground	-	Approx. below 1Ω
	Rain sensor connector	3 (LIN)	IBU connector	28 (LIN)	Approx. below 1Ω
Ignition "ON". Measure the oscilloscope using the VMI.	Rain sensor connector	3 (LIN)	Chassis ground	-	Fig.1

G13811157

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, or damage.
Repair or replace as necessary and then go to "VERIFICATION OF REPAIR " procedure.

No Good

Repair as necessary, go to "VERIFICATION OF REPAIR " procedure.