Content
Power supply
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12V battery
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Output for starting the engine from an external power source
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12V network structure
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Relays and fuses
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Electrical wires
48 V vehicle electrical system
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General description
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Components of the 48 V electrical system
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On-board network device 48 V
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Starter-generator C29
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Battery 48V A6
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Voltage converter 48V / 12V A7
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Work on the 48 V on-board network
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48-volt mild hybrid (MHEV - mild hybrid electric vehicle)
Data exchange
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Installation locations of control units
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Topology
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Bus systems used in the Audi A8 (type 4N)
Control blocks
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Data bus diagnostic interface J533
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Onboard supply control unit J519 (BCM1)
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Screen wipers and washers
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Convenience system central control unit J393 (BCM2)
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Trunk lid control unit J605
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Garage door opener control unit J530
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Heated windscreen control unit J505
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Control unit in dash panel insert J285
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Control unit for head-up display J898
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Trailer detector control unit J345
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Door control units J386 / J387
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Seat adjustment control units with memory J136 / J521
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Sliding sunroof control units J245 / J392
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Power steering column control unit J866
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Electronic steering column lock control unit J764
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Steering column control unit J527
Audi drive select
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Configurable systems
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Modes of movement
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Display and control
Outdoor lighting
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Management
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Headlights
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Matrix beam
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Laser high beam
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Taillights
Interior lighting
