Lower Multifunction Steering Wheel Button Group Electric Controller Unit, Basic Function - GF82.90-P-9892A
Model all (CAR) with code U88 (AMG steering wheel buttons (AMG DRIVE UNIT))
Location
The lower multifunction steering wheel button group electric controller unit is located at the bottom of the multifunction steering wheel.
Task
The lower multifunction steering wheel button group electric controller unit is used to exchange data between the lower multifunction steering wheel button group 1 (S163/3) or the lower multifunction steering wheel button group 2 (S163/4) and the drive program control unit (N145).
The lower multifunction steering wheel button group electric controller unit is connected over the steering wheel CAN (CAN LR) to the vehicle's network architecture.
The electric controller unit for the lower multifunction steering wheel button group is responsible for the following individual tasks:
- CAN interface:
- Reception of the control data for the lower multifunction steering wheel button groups from the drive program control unit over the steering column tube module control unit (N80) and the steering wheel CAN.
- Forwarding of the operation signals of the lower multifunction steering wheel button groups over the steering wheel CAN and the steering column tube module control unit to the drive program control unit.
- Direct line (serial peripheral interface):
- Reception of operation signals from lower multifunction steering wheel button groups.
- Actuation of displays in the lower multifunction steering wheel button groups.
The lower multifunction steering wheel button groups can be used, e.g. to make settings in the following areas: ESP®, suspension, transmission, engine start/stop, exhaust gas flap actuation and drive program.