WARNING | Disconnect the battery earth cable before working on the electrical system. |
|
| When re-connecting battery -A-, always adhere to correct sequence for connecting and disconnecting battery -A- → Electrical System; Rep. gr.27. Deactivate the service module of the phone and telematics control unit -J526-. |
| The steering column electronics control unit -J527- is part of the „Steering column switch module“ system. The „steering column switch module“ is made up of: |
| t
| Left- and right-hand steering column switches |
| t
| Steering angle sender -G85- |
| t
| Ignition/starter switch -D- |
| t
| Steering column electronics control unit -J527- |
| The steering column electronics control unit -J527- is responsible for the exchange of data between the vehicle control units (e.g. the onboard control unit -J519-), the steering column modules (e.g. steering column switches) and the steering wheel (e.g. airbag). |
| In addition it processes the signals from the multifunctional steering wheel buttons and sends these through the CAN bus. |
|
|
|
