| The window regulator switches are executed with voltage-coded double push and pull buttons. The double push and pull function enables manual and automatic window operation. The driver can operate all the windows centrally via the operating unit for window regulator in driver door -E512-. |
| The local window regulator switches fitted in the doors can only be used to operate the corresponding window. The driver door control unit -J386- scans the switches of the operating unit for window regulator in driver door -E512- and transmits the information via CAN to the front passenger door control unit -J387-. The rear left door control unit -J388- receives the information via LIN bus from the driver door control unit -J386-, and the rear right door control unit -J389- receives the information, also via LIN bus, from the front passenger door control unit -J387-. The front passenger door control unit -J387-, the rear left door control unit -J388- and the rear right door control unit -J389- scan the local switch for the corresponding window via a wire. |
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