The driver's MICU controls the wiper based upon the input signals from each switch.

	Input	Output
Driver's MICU	IG1 power supply Brake pedal position switch Transmission range switch P position (A/T) Wiper switch (INT & LO) Wiper switch (HI & LO) Wiper switch (MIST) Wiper switch (As) Wiper switch intermittent dwell time controller	Wiper intermittent relay circuit Wiper motor high/low relay circuit
B-CAN	Parking brake signal (A/T) IG1 meter signal (A/T) Vehicle speed signal Washer signal	Wiper messages