Removal and Replacement

Removing And Installing Steering-Column Switch

Technical values







Preliminary work

Preliminary work for removing and installing steering column switch
1. Observe the airbag safety regulations.
2. Remove driver's airbag unit.
3. Remove steering wheel.
4. Remove steering column trim.

Removing steering-column switch

CAUTION:
Risk of short circuit.
- Before removing steering column switch, remove ignition key.

WARNING:
Risk of damage to airbag contact unit.
- When removing and installing steering column switch, the steering wheel must be pulled off in the straight-ahead position. This ensures that the airbag contact unit is locked in the central position.
- If the setting has inadvertently changed (locking element released, airbag contact unit out of adjustment), the airbag contact unit must be adjusted.












1. Press locking element for the electrical plug and pull off the plug.







2. Loosen fastening screw and pull steering column switch downwards from the steering column.

Installing steering-column switch







1. Slide steering column switch as far as it will go on to the steering column and secure with fastening screw. - Tightening torque: 4.5 ftlb.







2. Push on plug of steering column switch until it is felt to engage.

Disassembling and assembling steering-column switch

Disassembling steering column switch












INFORMATION: Ensure that the arrow -A- of the rotor is positioned between the markings -B- of the arrows -C- of the airbag contact unit and that the locking element -D- is engaged.







1. Lift up the three retaining tabs carefully and remove airbag contact unit -C-.







2. Unscrew the six fastening screws.







3. Turn the steering column switch round and remove the electronic unit -E-.







4. Pull the GRA switch -B- downward and disengage.







5. Pull switch for wiper and washer system -D- up and out of the mount.

Assembling steering column switch







1. Insert switch for wiper and washer system into the mount.







2. Engage the GRA switch and fold it upwards.
3. Turn the steering column switch and position the electronic unit.







4. Turn the steering column switch round again and screw in the six fastening screws.

WARNING:
Risk of damage to airbag contact unit.
- If the contact unit has been adjusted, proceed in accordance with the following work instruction:
- To position the airbag contact unit in the central position, press the locking element and turn the rotor carefully to the left as far as it will go.
- Then turn the rotor carefully to the right, approx. 3.5 to 3.75 revolutions, until the locking element engages. The rotor arrow marking must be positioned between the arrow markings of the contact unit.







5. Position airbag contact unit and press on the steering column switch until the three tabs engage -arrows-.

Subsequent work

Subsequent work for removing and installing steering column switch
1. Install steering column trim.
2. Install steering wheel.
3. Install driver's airbag unit.