Operation CHARM: Car repair manuals for everyone.

Steering Column Control Module: Service and Repair






Steering Column Electronic Systems Control Module

Before starting repair work, perform the following:

- Switch off ignition, switch off all electrical consumers and remove ignition key.

Removing

- Remove driver's side airbag unit.

• Position the uninstalled airbag unit so that it is not directly in your field of view.

• Before starting repair work on removed airbag unit, electrostatically discharge yourself. This is accomplished by, for example, touching grounded metal like water pipes, heating pipes or metal carriers.

- Remove driver's airbag attachment panel.

- Lay aside removed airbag unit on soft surface with top side facing down (this applies only to following repair work).

- Unlock and disconnect electrical connections - arrows -.





- Remove 4 mounting bolts from signal horn operation - arrows -.





- Before removing bracket for signal horn operation, disengage harness connector of airbag unit and disconnect - arrow -.





- Disengage harness connector - arrow - and disconnect it.





- Remove bolt on rear side of control module - arrow - and remove control module.





Installing

Install in reverse order of removal.

- Code Control unit for the steering column electronics, --> fit component parts Multifunction Steering Wheel. Refer to --> [ Multifunction Steering Wheel, Adapting Components ] Testing and Inspection.