Multifunction Steering Wheel Overview
Multifunction Steering Wheel Overview
The Multifunction Steering Wheel is made up of the following components:
• The left multifunction buttons on steering wheel (E440) - 1 - with integrated multifunction steering wheel control module (J453)
• The right multifunction buttons on steering wheel (E441) - 2 -
The multifunction steering wheel can be used to operate some of the functions of the communication system from the steering wheel.
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, multifunction display "MFA" and telephone system).
Troubleshooting
The multifunction steering wheel has OBD.
When performing fault-finding, use Vehicle Diagnostic Tester in "Guided Fault Finding" function.
• In the case of problems, technicians must be familiar with the functions and operation of the multifunction steering wheel.
• Additional information, refer to the Owner's Manual,.
• Use the Vehicle Diagnostic Tester for Servicing or Troubleshooting.
• Check all vehicle equipment (clock, Convenience System, etc.) after connecting the battery.