GF82.85-P-3134RCJ COMAND Operating, Display and Controller Unit, Component Description

GF82.85-P-3134RCJ COMAND Operating, Display And Controller Unit, Component Description
- with CODE (527) COMAND APS with single DVD drive (with navigation system)
- with CODE (498) Japan version

Component Identification:

Location
The COMAND controller unit is installed into the center console.

Task
The COMAND controller unit fulfills the following tasks:
^ Central operating and display unit for the entertainment and communication systems integrated into the vehicle
^ Reads in the controls and input signals
^ Evaluation of input factors
^ Actuates output media

Central control and display device for entertainment and communications systems integrated into vehicle
The COMAND controller unit provides users with a structured and uniform control surface.

Reads in the controls and input signals
The input parameters are read in via the following connections:
^ Direct line
^ Controller Area Network (bus/CAN bus)
^ Media Oriented System Transport (MOST)

Direct line
The COMAND controller unit has the following direct connections:
- Circuit 30
- Circuit 31
- Wake-up for Media Oriented System Transport (MOST) (bidirectional)
- Bluetooth antenna (A2/91)
- GPS antenna (A2/23)
- Left antenna amplifier module (A2/64)
- TV antenna selector (A2/79)
- VICS antenna (A2/96) (Dealer Option)
- TV input (digital), with code (862) TV preinstallation
- Hands-free system microphone group (B25)
- Communication control unit (N123/6)
- Electronic Toll Collection control unit (ETC) (A50/3) (Dealer Option)
- AUX-Audio input (access in glove compartment), except code (518) Media interface

Controller Area Network (bus/CAN bus)
- The COMAND controller unit is a subscriber on the interior CAN

Media Oriented System Transport (MOST)
Control and audio signals from the following control units:
- Sound system amplifier (N40/3), with code (810) Sound system
- Media interface control unit (N125/1), with code (518) Media interface

Evaluation of input factors
The input values are processed in the COMAND controller unit.

Actuates output media
The following direct output signals are possible:
- Audio OUT (speakers), except code (810) Sound system
- Switching voltages for communication control unit (12V)
- Switching voltage for Electronic Toll Collection control unit (ETC) (12V)
- Switching voltage for VICS antenna (5V)

Component Identification:

Design
The COMAND controller unit consists of the following components:
- Control panels for controlling the audio, navigation and telematics functions
- DVD drive
- SD card slot
- Display

The following components are also integrated in the COMAND controller unit:
- Central computer
- Hard disk
- Navigation processor
- Audio amplifier, except code (810) Sound system
- Voice control