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Steering Column Control Module: Service and Repair






Steering Column Electronic Systems Control Module

Special tools, testers and auxiliary items required

2.5 mm diameter drill; length at least 75 mm

Removing

CAUTION!
Risk of damaging coil connector.

Coil connector with slip ring is not to be turned following removal.

CAUTION!
Risk of destroying electronic components with static discharge.

To discharge static, touch vehicle ground with hand (while not wearing gloves).

- If the control module was replaced, select the Replace function for the respective control module in Guided Fault Finding or Guided Functions.

- Adjust steering wheel downward and to rear as far as possible, use entire adjustment range of steering column adjustment for this.

- Remove airbag unit.

- Remove steering wheel.

- Remove steering column trim.

- Disconnect electrical connector - 4 - on steering column electronic systems control module (J527) - item 1 - by removing fuse - 3 - - arrow - and pressing release down.





- Disconnect electrical connector - 2 -.

- Remove bolt - 1 -.





- At steering column electronic systems control module, slide a dia. 2.5 mm drill - item 2 - approximately 45 mm into the hole - arrow 1 -, releasing the retaining detent - arrow 2 -.

- Pull steering column electronic systems control module down slightly and remove drill.

- Release retaining clip - arrow - on connector side of steering column electronic systems control module and remove control module from steering column switch module.





Installing

Tightening specification, refer to => [ Steering Column Switch Module Assembly Overview ] Service and Repair.

Install in reverse order of removal, observing the following:

- Install steering column trim.

- Install steering wheel.

- Install airbag unit.