S4 Quattro Cabriolet V8-4.2L (BHF) (2008)
Steering Mounted Controls Communication Module: Description and Operation
Steering Column Switch Module (SCSM)
Steering Column Switch Module (SCSM)
CAUTION:
Before beginning repairs on the electrical system:
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Obtain the anti-theft radio security code.
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Switch the ignition off.
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Disconnect the battery Ground (GND) strap.
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After reconnecting vehicle battery, re-code and check operation of anti-theft radio. Also check operation of clock and power windows
according to Owner's Manual.
NOTE: Steps after reconnecting voltage supply.
General description
Steering column switch module (SCSM) is composed of return ring with slip ring, Steering Angle Sensor -G85-, steering column switch (signal switch,
wiper switch, cruise control switch) and Steering Column Electronic Systems Control Module -J527-.
Use VAS 5051 tester to check Steering Column Electronic Systems Control Module - J527-.