GF82.88-P-2000GAJ Electronic Toll Collection, Function

GF82.88-P-2000GAJ Electronic Toll Collection, Function
MODEL 463.236 /270 up to 31.5.12
- with CODE (EU1) COMAND APS
- with CODE (ZJ1) Japan version as of Model Year 2009 /YoM 08, Dealer Option





1 Circuit status
2 Electronic Toll Collection (ETC), signal
3 Electronic Toll Collection (ETC), message
4 Audio, signal
A2/94 Electronic toll collection (ETC) antenna
A40/3 COMAND operating, display and controller unit
A50/3 Electronic Toll Collection control unit
H4/1 Left front door speaker
H4/2 Right front door speaker
H4/5 Left rear door speaker
H4/6 Right rear door speaker
H4/7 Left rear loudspeaker
H4/8 Right rear loudspeaker
H4/27 Center cockpit speaker (centerfill)
H4/29 Subwoofer speaker (with code (EU9) Surround sound system (harman/ kardon Logic 7))
H4/33 Left cockpit tweeter
H4/34 Right cockpit tweeter
H4/37 Left rear door tweeter (with code (EU9) Surround sound system (harman/ kardon Logic 7))
H4/38 Right rear door tweeter (with code (EU9) Surround sound system (harman/ kardon Logic 7))
N40/9 Sound system amplifier (with code (EU9) Surround sound system (harman/ kardon Logic 7))
N73 EIS [EZS] control unit
CAN B Interior CAN
MOST Media Oriented System Transport

Function requirements, general
^ Circuit 15R On status
^ COMAND operating, display and controller unit activated using the "ON" button
^ Electronic Toll Collection System (ETC) card inserted

General information on ETC
The ETC simplifies the process of payment on toll roads. It settles payment procedures automatically without the driver having to stop the car.
The ETC system has its own power supply. However, voice output is not possible if the COMAND operating, display and controller unit is switched off.

ETC function sequence
To transmit and receive the data, the vehicle is equipped with an Electronic Toll Collection antenna and the Electronic Toll Collection control unit. The Electronic Toll Collection control unit communicates with the toll booth via the Electronic Toll Collection antenna. For automatic payment, a special ETC card must be inserted into the Electronic Toll Collection control unit. All information concerning the user and the fees that have already been paid are stored on this ETC card. On the vehicle side, the Electronic Toll Collection control unit is connected via an RS-232C interface to the COMAND operating, display and control unit. The ETC also has voice output and visual output (pop-ups).
The voice output is:
- ETC card read error
- ETC card not accepted
- ETC card reader error
- ETC gate communication error
- Detailed information on the last fees paid (menu, navigation system, ETC history)
- ETC card not inserted
Visual output (pop-ups) on the display of the COMAND operating, display and controller unit:
- COMAND operating, display and controller unit booted and no ETC card inserted
- COMAND operating, display and controller unit booted and ETC card inserted
- Positive feedback from toll booth
- Negative feedback (if authorization is not provided)