April 5, 2026: LEMON Manuals is launched! Read the announcement.

System Diagram

Fig 1: Identifying Cruise Control System Diagram

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

COMMUNICATION TABLE:

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 response	CAN*