System Diagram

Fig 1: Cruise Control System Diagram

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Communication table:

COMMUNICATION REFERENCE

Transmitting ECU (transmitter)	Receiving ECU	Signals	Communication Method
ECM	Combination meter ECU	CRUISE indicator operation signal	CAN BEAN (Instrument Panel Bus)
ECM	TCM	Shift up/down request signal	CAN
TCM	ECM	Shift up/down response	CAN