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Steering Column Switch Module and Electronic Ignition Lock Overview






Steering Column Switch Module and Electronic Ignition Lock Overview

The steering column switch module consists of the coil connector with slip ring, steering angle sensor (G85) , steering column switch (turn signal indicator switch, wiper switch, cruise control switch) and steering column electronic systems control module.

Fault finding is done in "Guided Fault Finding". Refer to the vehicle diagnosis, testing and information system VAS 5051.






1 Screw

0.5 Nm

2 Transport Protection

3 Steering Column Electronic Systems Control Module (J527)

With airbag spiral spring/return spring with slip ring (F138) , steering angle sensor.

Removing and installing, refer to => [ Steering Column Electronic Systems Control Module (J527) ] Service and Repair.


Risk of damaging the coil connector.

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

Connector assignment of the steering column electronic systems control module. Refer to => [ Steering Column Electronic Systems Control Module Connector Assignment ] Service and Repair.

4 Turn Signal, Cruise Control, Windshield Wiper and Washer Intermittent Switch

With turn signal switch (E2) , windshield wiper/washer switch (E22).

On vehicles with cruise control with the cruise control switch (E45).

Removing and installing, refer to => [ Turn Signal, Cruise Control, Windshield Wiper and Washer Intermittent Switch ] Service and Repair.

5 Clamping Ring

6 Screw

4 Nm

7 Steering Column

8 Access/Start Authorization Switch (E415)

Removing and installing, refer to => [ Access/Start Authorization Switch ] Service and Repair.

9 Ignition Key

Access/Start Authorization Switch Bolt Tightening Specification






- Tighten the bolt - 2 - for the access/start authorization switch - item 1 - to 3 Nm.