Overhaul

Steering Column Switch, Disassembling And Assembling

NOTE: Also, if only one individual component of steering column switch is removed or replaced, the sequence described in the following must always be adhered to.

Disassembling:
- Remove steering column switch.







- Remove both bolts - arrows - at bridge of Steering Wheel Tiptronic Switch E389







- Remove both bolts - arrows - at Steering Wheel Tiptronic Switch E389







- Release locking mechanism - arrow - at multi-pin harness connector of Airbag Spiral Spring/Return Spring With Slip Ring F138 and of Steering Angle Sensor G85 -1 -.
- Carefully set aside bracket - 2 - with multi-pin harness connector for Steering Wheel Tiptronic Switch E389 - 3 -.







- Release locking mechanism - arrows - at bridge of right Steering Wheel Tiptronic Switch E389.
- Carefully set aside bridge with right Tiptronic switch.







- Release locking mechanism - arrows - at bridge of left Steering Wheel Tiptronic Switch E389 and remove the complete Steering Wheel Tiptronic Switch E389.
- Carefully remove Airbag Spiral Spring/Return Spring With Slip Ring F138 and Steering Angle Sensor G85 from steering column switch.

NOTE: Airbag Spiral Spring/Return Spring With Slip Ring F138 and Steering Angle Sensor G85 must not be twisted out of center position during removal.







- To remove "windshield wiper switch", remove bolts - 2 -.
- Remove "windshield wiper switch".
- To remove "turn signal switch", remove bolts -1 -.
- Remove "turn signal switch".
- Remove Steering Column Electronic Systems Control Module J527 from "turn signal switch".

Assembly:
Assemble in reverse order of disassembly, observing the following:

NOTE:
- If Steering Column Electronic Systems Control Module J527 is replaced, it must be coded.
- Make sure wires are routed correctly at steering column switch.