SYSTEM DIAGRAM

System information

Input and output signal of each ECU 

Transmitting ECU (Transmitter)	Receiving ECU	Signals	Communication method
Rain Sensor	Passenger Side J/B ECU	HI continuous operation command signal LO continuous operation command signal LO signal operation command signal Manual Intermittent operation command signal Wipe out angle variable demand signal	BEAN
Rain Sensor	Driver Side Door ECU Passenger Side Door ECU	LO signal operation command signal INT signal operation command signal	BEAN
Combination Switch ECU	Passenger Side J/B ECU	Wiper SW INT signal Wiper SW LO signal Wiper SW HI signal Wiper SW AUTO position signal Washer SW signal Wiper SW MIST signal Wiper adjusting volume signal	BEAN
Combination Switch ECU	Front Light ECU	Washer motor operation signal	BEAN
Combination Meter ECU	Passenger Side J/B ECU	Vehicle speed signal	BEAN
Combination Meter ECU	Rain Sensor	Vehicle speed signal	BEAN
Combination Switch ECU	Rain Sensor	Wiper & washer SW signal	BEAN
Combination Switch ECU	Driver Side Door ECU Passenger Side Door ECU	Wiper & washer SW signal	BEAN
ECM	Passenger Side J/B ECU	Shift position P signal Shift position N signal	CAN-BEAN
VSC ECU	Passenger Side J/B ECU	Parking brake SW signal	CAN-BEAN
Driver Side J/B ECU	Passenger Side J/B ECU	Stop light ON command signal	BEAN
Driver Side J/B ECU	Combination Switch ECU	IG SW signal	BEAN
Driver Side J/B ECU	Rain Sensor	Display dimmer signal	BEAN
Passenger Side J/B ECU	Rain Sensor	Wiper motor position signal Wiper blade position signal	BEAN
Steering lock ECU	Rain Sensor	PUSH SW signal	BEAN
Front light ECU	Combination meter ECU	Washer level signal	BEAN

HINT:

Wiper operation is controlled, in principle, by the passenger side J/B ECU. The rain sensor, controls the auto wiper function.