Multi-function steering wheel, general overview

Fig 1: Multi-Function Steering Wheel, General Overview

Courtesy of VOLKSWAGEN UNITED STATES, INC.

1 - Engine Control Module (ECM) J623 in plenum chamber

2 - Dash panel insert

3 - Telephone/Telematics Control Module J526 / Telephone Transceiver R36 in electronics box under right front seat

4 - CAN-BUS (Infotainment)

5 - CAN-Bus (Comfort)

6 - Radio R / Navigation System with CD Drive Control Module J401 in top of center console

7 - CD Changer R41 in glove compartment

8 - Multifunction Steering Wheel

• Multi-function buttons, removing and installing → Multi-function buttons, removing and installing 
• Tiptronic Switch, removing and installing → Tiptronic Switch, removing and installing 

9 - Vehicle Electrical System Control Module J519 behind drivers side storage compartment (left-hand drive)/behind glove compartment (right-hand drive)

10 - LIN data bus (single wire bus)

11 - Steering Column Electronic Systems Control Module J527 on the steering column

• Connector assignment → Steering Column Electronic Systems Control Module J527 , connector assignment 

12 - CAN bus (powertrain)