MULTIFUNCTION STEERING WHEEL
The Multifunction steering wheel makes it possible to control some functions of the Communications System and the cruise control from the steering wheel.
Scheme 3
The Multifunction Steering Wheel is made up of the following components
- The Control unit in the steering wheel with two button arrays with integrated electronics, left and right on the steering wheel.
- Control unit for Multifunction Steering Wheel.
Note. Before troubleshooting or servicing, technicians must be familiar with the functions and operation specifics of the Multifunction Steering Wheel. Always read the Owner's manual and review specific Communication system functions. Refer to the Owner's Manual.
Troubleshooting
The control unit of the multifunction steering wheel communicates with the Steering Column Electronic Systems Control Module J527. Data commands are processed there once more for further communication with subsequent control modules (radio system, multifunction display "MFA" and telephone system).
Multifunction Steering Wheel has On Board Diagnostic (OBD) capabilities.
When performing Fault Finding, use Diagnostic Operation System VAS 5051 or Vehicle Diagnosis and Service System VAS 5052 in the function "Guided Fault Finding".