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Service System description wiper and washer systems Edition 10.2011 Service Department. Technical Information Service List of Workshop Manual Repair Groups Repair Group 01 Self diagnosis, electrical checks 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. A005A500920 Audi A5 Coupé 2008 ➤ System description wiper and washer systems Edition 10.2011 Contents 01 Self diagnosis, electrical checks 1 1 General notes on wiper and washer systems 1 1.1 General notes and technical data 1 1.2 Components used 1 2 Windscreen wiping without rain sensor 2 2.1 General notes and components used 2 2.2 Description 2 2.3 Notes for service 2 3 Windscreen wiping with rain sensor 3 3.1 General notes and components used 3 3.2 Description 3 3.3 Notes for service 3 3.4 Notes on the windscreen 3 4 Headlight washer system HWS 5 4.1 General notes and components used 5 4.2 Description 5 4.3 Notes for service 5 5 Windscreen washing 6 5.1 General notes and components used 6 5.2 Description 6 5.3 Notes for service 6 6 Washer jet heating 7 Contents i Audi A5 Coupé 2008 ➤ System description wiper and washer systems Edition 10.2011 ii Contents Audi A5 Coupé 2008 ➤ System description wiper and washer systems Edition 10.2011 01 Self diagnosis, electrical checks 1 General notes on wiper and washer systems 1.1 General notes and technical data Wiper systems only work when terminal 15 is energised. The rain sensor is activated by setting the intermittent wiper switch E22 to the position intermittent wipe . The pauses during intermittent wiping depend on the road speed. 1.2 Components used Component Comments Rain and light sensor G39