System Diagram

Fig 1: Cruise Control System Diagram

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Communication Table:

COMMUNICATION CHART

Sender	Receiver	Signal	Line
ECM	Combination Meter ECU	CRUISE main indicator operation signal	CAN BEAN (Instrument Panel Bus)
ECM	TCM	Shift up/down request signal	CAN
TCM	ECM	Shift up/down reponse	CAN