General Information - MULTIFUNCTION Steering Wheel

The button is integrated in the steering wheel for easier operation of Infotainment, telephone and the navigation system. Rocker switches are also installed on the left and right side for the tiptronic.

The Multifunction Steering Wheel Control Module -J453- (in the right button) reads out the button information and transfers it via the LIN bus to the Steering Column Electronics Control Module -J527-. The Steering Column Electronics Control Module -J527- sends information via a LIN bus to the Data Bus on Board Diagnostic Interface -J533-.

Fault Finding is performed using the "Guided Fault Finding"  on the Vehicle Diagnostic Tester.