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Figure 1 schematically shows how in-vehicle networking will be conceived. In this conception, CAN and the other communication protocols developed concurrently made it possible for multiple LANs to exchange data efficiently via a gateway. Motor Motor Motor Air Sub network Switch Switch Sensor Safety system Passenger detection conditioner Radar Door CAN Up to 125 kbps zLIN 2.4 to 19.2 kbps AFS Instrument panel meter Keyless Body White line detection Head lamp Levelizer Combination lamp Sub network system Squib zSafe-(150 kbpsby-Wire ) Airbag Gateway control Tire Information Engine and powertrain pressure system ACC ITS system system CAN CAN 500 kbps 125 kbps MD/CD Audio VICS Engine Steering Brake changer Video navi TVSS Sub network compo zFlexRay *2(5 Mbps) zMOST Chassis z1394 AT system CAN 500 kbps Failure diagnostic system zCAN (statutory control) Diagnostic tool Figure 1. Conception of In-vehicle Networking * 1 : ISO stands for International Organization for Standardization.* 2 : FlexRay TM is a registered trademark of DaimlerChrysler AG. REJ05B0804-0100/Rev. 1.00 April 2006 Page 2 of 44
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