Measuring Resistance

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

Disconnect the cruise control switch connector from the control switch.

Measure resistance between terminals on the control switch when each function switch is ON (switch is depressed).

Courtesy of KIA MOTORS AMERICA, INC.

Function switch	Connector terminal	Resistance (kΩ) [± 3%]
CANCEL	3 - 5	0.39
SET -	3 - 5	0.61
RES +	3 - 5	0.91
CRUISE	3 - 5	2.13
ASCC	3 - 5	3.63

If not within specification, replace switch.