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Service Electrical system Edition 05.2015 Service Department. Technical Information Service List of Workshop Manual Repair Groups Repair Group 00 Technical data 27 Starter, current supply, CCS 90 Gauges, instruments 92 Windscreen wash/wipe system 94 Lights, bulbs, switches exterior 96 Lights, bulbs, switches interior 97 Wiring Technical information should always be available to the foremen and mechanics, because their careful and constant adherence to the instructions is essential to ensure vehicle road worthiness and safety. In addition, the normal basic safety precautions for working on motor vehicles must, as a matter of course, be observed. A005A501520 Audi A5 Coupé 2008 ➤ Electrical system Edition 05.2015 Contents 00 Technical data 1 1 Safety precautions 1 1.1 Safety precautions when working on vehicles with start/stop system 1 1.2 Safety precautions when using testers and measuring instruments during a road test 1 1.3 Safety precautions when handling gas discharge bulbs 2 2 Repair notes 4 2.1 Contact corrosion 4 2.2 Routing and securing wiring 4 3 Battery 5 3.1 Battery general notes 5 3.2 Battery types 5 27 Starter, current supply, CCS 6 1 Battery 6 1.1 Exploded view battery 6 1.2 Removing and installing battery 9 1.3 Disconnecting and connecting battery 14 1.4 Checking battery 16 1.5 Charging battery 16 1.6 Removing and installing earth cable with battery monitor control unit J367 19 1.7 Removing and installing battery cut off relay/battery isolation igniter 20 2 Alternator 21 2.1 Exploded view alternator 21 2.2 Removing and installing alternator 24 2.3 Checking alternator 49 3 Starter 50 3.1 Exploded view starter 50 3.2 Removing and installing starter 52 4 Start/stop system 65 4.1 Exploded view start/stop system 65 4.2 Removing and installing voltage stabiliser 66 90 Gauges, instruments 67 1 Dash panel insert 67 1.1 Exploded view dash panel insert 67