Circuit Inspection

WARNING: This page is about a different car, the 2017 Kia Niro. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: LDWS ECU System Circuit

Courtesy of KIA MOTORS AMERICA, INC.

LDWS ECU SYSTEM SPECIFICATION

Inspection Condition	(+) Probe		(-) Probe		Specification
Inspection Condition	Connector	Terminal	Connector	Terminal	Specification
Ignition "OFF". Disconnect battery (-) cable. Disconnect the electrical connector(s) from the concerned component.	LDWS ECU connector	7 (ground)	Chassis ground	-	Below 1Ω
Disconnect the electrical connector(s) from the concerned component. Ignition "ON".	LDWS ECU connector	5 (power)	Chassis ground	-	B+

Good	If no problems were found with the circuits or connectors, replace the LDWS ECU and go to "VERIFICATION OF REPAIR " procedure.
No Good	Repair open or short in circuit and then go to "VERIFICATION OF REPAIR " procedure.