Multifunction Steering Wheel, Troubleshooting, From 11.10

Multifunction Steering Wheel, Troubleshooting, From 11.10

The multifunction steering wheel control module communicates only with the steering column electronics control module. Data commands are processed there once more for further communication with subsequent control modules (radio system, multi-function display (MFA) and telephone system).

Multifunction Steering Wheel has On Board Diagnostic (OBD) capabilities.

When performing service work or fault-finding, use Diagnostic Operation System (VAS 5051) or Vehicle Diagnosis and Service System (VAS 5052) in the function "Guided Fault Finding".

• 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.