S5 Quattro Coupe V8-4.2L (CAUA) (2009)
Steering Mounted Controls Communication Module: Description and Operation
Steering Column Switch Module and Electronic Ignition Lock
‹› The steering column switch module consists of coil connector with slip ring, Steering Angle Sensor (G85), steering column switch (turn signal
indicator switch, wiper switch, cruise control switch) and Steering Column Electronic Systems Control Module (J527).
‹› Fault finding is done in "Guided Fault Finding" Vehicle diagnosis, testing and information system VAS 5051.