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Self Study Programme 481 Audi A7 Sportback Onboard power supply and networking Audi Service Training Four zone air conditioning, head up display, Bang Olufsen To achieve all this, the Audi A7 Sportback comes equipped with Advanced Sound System, navigation, WLAN hotspot, massage seats, LED headlights, night vision assist, Audi pre sense, Keyless Main battery lead made of aluminium Go, Audi drive select, start stop system, Audi active lane assist, Alternator with recuperation function reversing camera — all these and other convenience features and Voltage stabiliser for start stop system safety functions would not be possible without the use of increas FlexRay bus system ingly effi cient electronics. LED headlights Prerequisites for perfect functioning of these electronics are a stable and reliable onboard power supply as well networking of the This Self Study Programme provides you with a fast and effi cient control units via their bus systems to facilitate high speed data in depth guide to the electronics of the Audi A7 Sportback. exchange between miscellaneous complex systems. 481 050 Learning objectives of this Self Study Programme are When you have worked your way through this Self Study Pro Which functions are performed by the onboard power supply gramme, you will be able to answer the following questions control unit J519 Where are the CAN isolating connectors located and which bus Where are the fuse carriers installed on the Audi A7 Sportback systems are connected to them and how are they supplied with power What are the new features of the FlexRay bus system Where are electrical components fi tted on the vehicle What are the new features of the exterior lighting Which bus systems are used on the Audi A7 Sportback What does ESD protection mean and what relevance does it have to the repair of electronic components 2 Contents Power supply Jump start terminals 5 Battery 5 Main battery lead 5