Check for continuity between the terminals while operating the wiper and washer switch. If it is not normal condition, replace wiper and wiper switch.
Remove the steering column shroud lower / upper panel.
(Refer to Body - "Steering Column Shroud Panel")
Disconnect the connector (A).
If it is necessary to remove. The wiper & washer switch (A) only, release the lock of wiper switch using tool without removing the steering wheel and the clock spring.
Remove the steering wheel.
(Refer to Steering System - "Steering Wheel")
Remove the clock spring.
(Refer to Restraint - "Driver Airbag (DAB) and Clock Spring")
Remove the multifunction switch assembly (A) after loosening 2 screws.
Install the multifunction switch after connecting the connector.
Install the clock spring and steering.
Install the upper and lower shroud.
Install the steering wheel.