Disconnect the negative (-) battery terminal.

Remove the steering column upper and lower shrouds (A) after removing 3 screws.

Remove the multi function switch after loosening 2 screws and disconnecting connector. (In case of multi function switch assembly replacement)

Remove the lighting switch (A) after loosening 2 screws.

Remove the wiper switch (A) after disconnecting the connector and loosening 2 screws.

Installation is the reverse of removal.

Multifunction switch operates head lamps and wiper by communicating with BCM through LIN communication.

Check BCM input/output value of each position of multifunction switch when you inspect the module whether faulty or not.

Select model and BCM menu.

Select "Current data" and wiper.

Check input/output value of washer ＆ wiper switch.