System Diagram

Fig 1: Identifying CAM System Diagram

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COMMUNICATION TABLE

Transmitting ECU	Receiving ECU	Signal	Communication Method
Skid control ECU	4WD control ECU	Wheel speed sensor signal Stop light switch signal Deceleration sensor signal	CAN communication system
ECM	4WD control ECU	Shift position sensor signal Throttle position sensor signal Crankshaft position sensor signal	CAN communication system
Main body ECU	4WD control ECU	Parking brake switch signal	CAN communication system
4WD control ECU	Combination meter	AWD warning light signal	CAN communication system