Steering Column Switch Module, Removing And Installing
Special tools and workshop equipment required
- Special ScrewdriverT40056A
Removal
-- Adjust steering wheel downward and to rear as far as possible, use entire adjustment range of steering column adjustment for this.
-- Remove the airbag unit, refer to AIRBAG OVERVIEW .
-- Remove steering wheel, refer to AIRBAG STEERING WHEEL, REMOVING AND INSTALLING .
-- Remove gap cover -1- in direction of -arrow-.
-- Remove screws -4- with Special ScrewdriverT40056A.
-- If present, remove screws -6- and remove handle trim -5- on mechanical steering column adjustment handle.
-- Remove the screws -7-.
-- Separate top trim -2- for steering column switches from bottom trim -3- and remove both parts.
-- If installed, disconnect electrical harness connector at lower trim.
-- Remove bolt -2-.
-- Disconnect the connectors -1- and -3-.
The technician must discharge static electricity before disconnecting the electrical connector -4-, for example by touching the door striker pin.
-- Disconnect electrical connector -4-.
-- Press catch -1- in direction of -arrow- until harness connector -2- disengages.
-- Carefully pull off steering column switch together with Steering Column Electronic Control Module -J527-.
Install in reverse order of removal. Note the following:
-- Make sure all connectors are connected correctly and that they audibly lock.
-- Insert top trim piece for steering column switch into catches of bottom trim piece, press together and bolt.
-- Install steering wheel, refer to AIRBAG STEERING WHEEL, REMOVING AND INSTALLING .
-- Install the airbag unit, refer to DRIVER AIRBAG UNIT OVERVIEW .
Tightening Specifications
| Component | Nm |
|---|---|
| Steering column switch module | Refer to STEERING COLUMN SWITCH MODULE OVERVIEW . |
| Trim for steering column switch | 0.6 |
| Lower trim to steering column | 3 |
| Handle trim on mechanical steering column adjustment handle | 4.5 |