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

GF82.85-P-3134RI COMAND Operating, Display And Controller Unit, Component Description
- with CODE (528) COMAND with DVD changer
- without navigation system
- with CODE (512) COMAND APS with DVD changer

Component Identification:

Location
The COMAND operating, display and controller unit is in the center console.

Task
The COMAND operating, display and controller unit has 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
^ Transmitting signals

Central operating and display unit for the entertainment and communication systems integrated into the vehicle
The COMAND operating, display and controller unit provides a structured and uniform user surface to the user.

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

Direct line
The COMAND operating, display and controller unit is equipped with the following direct inputs
- Circuit 30
- Circuit 31
- Wake-up for MOST (bidirectional)
- AUX input 1 (access in the glove compartment), without code (518) Media interface
- Left antenna amplifier module (A2/64) (AM/FM1)
- Right antenna amplifier module (A2/65) (FM2)
- Bluetooth antenna (A2/91)
- GPS antenna (A2/23), with code (512) COMAND APS with DVD changer
- Hands-free system microphone (B25)
- AUX video input (analog RGB) in combination with AUX audio input 2
- TV input (Y/C line), with code (863) Digital/analog TV tuner
- Speaker connections, except code (810) Sound system

CAN
The COMAND operating, display and controller unit is a subscriber of the interior CAN. It communicates for instance with the following control units:
- Instrument cluster (A1)
- Steering column tube module (N80)
- Central gateway control unit (N93)

MOST
Control and audio signals from the following control units:
- Sound system amplifier control unit (N40/3), with code (810) Sound system
- Digital Audio Broadcasting control unit (N87/3), with code (537) Digital radio and with code (833) Great Britain version
- SDAR control unit (N87/5), with code (536) SIRIUS satellite radio
- Media interface control unit (N125/1) via media interface connector (X18/69), with code (518) Media interface
- TV combination tuner (analog/digital) (A90/1), with code (863) TV tuner digital/analog

Evaluation of input factors
The input values are processed by the COMAND operating, display and controller unit.

Transmitting signals
^ Direct line
^ CAN
^ MOST

Direct line
- Audio OUT (speakers), except code (810) Sound system
- Switching voltage for the UPCI [UHI] (Universal Portable Cell Phone Interface) cell phone holder (A34/15) via the Bluetooth module (A34/7), with code (386) Preinstallation for telephone "cell phone" UPCI [UHI] system or with code (389) Mobile phone preinstallation with universal interface, USA/Canada
- Power supply (GPS antenna (with code (512) COMAND APS with DVD changer), FM amplifier, Bluetooth)

CAN
The COMAND operating, display and controller unit is a subscriber of the interior CAN. It communicates for instance with the following control units:
- Instrument cluster
- Steering column tube module
- Central gateway control unit

MOST
Control and audio signals from the following control units:
- Amplifier for sound system control unit, with code (810) Sound system
- Digital Audio Broadcasting control unit, with code (537) Digital radio and with code (833) Great Britain version
- SDAR control unit, with code (536) SIRIUS satellite radio
- Media interface control unit via media interface connector, with code (518) Media interface
- TV combination tuner (analog/digital), with code (863) Digital/analog TV tuner

Component Identification:

Design
The COMAND operating, display and controller unit consists of the following components:
- Control panels for controlling the navigation (with code (512) COMAND APS with DVD changer), audio, and telematics functions
- DVD drive
- SD card slot
- Display

In addition, the following components are integrated into the COMAND operating, display and controller unit:
- Central computer
- Hard disk
- Navigation processor, with code (512) COMAND APS with DVD changer
- Audio amplifier, except code (810) Sound system
- Voice control, with code (512) COMAND APS with DVD changer