Washer Fluid Level Sensor Switch

Disconnect the negative(-) battery terminal.
Drain the washer fluid less than 600 cc.
Check for continuity between the No. 1 and No. 2 terminal in each float position.
There should be continuity when the float is down.

There should be no continuity when the float is up.
If the continuity is not as specified, replace the washer fluid level switch

Fig 1: Washer Fluid Level Sensor Switch Connector Terminals
Courtesy of KIA MOTORS AMERICA, INC.

Fig 2: Washer Fluid Level Sensor Switch Connector Terminals Continuity Chart
Courtesy of KIA MOTORS AMERICA, INC.