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Home >> Volvo >> 2002 >> S80 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 15 (Control Modules - Design And Function - 4 Of 4) >> The Road Traffic Information (RTI) System (2001-2009) >> System Overview >> Signals

System Overview: Signals

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The chart below summarizes input and output signals to and from the RTI control module. The signal types are divided into directly connected signals, serial communication and Control area network (CAN) communication. The illustration below displays the same information with the Volvo part numbers.

Input signals Output signals
Directly connected:  Directly connected:  (power supply unless otherwise stated)
GPS antenna, 16/47 GPS antenna, 16/47
TMC antenna, 16/71 (EU only) Screen, 16/46, (color and synchronization signals)
  TV receiver, 16/36
Via serial communication:  Via serial communication: 
Display screen, 16/46 Display screen, 16/46
TV receiver, 16/36 (Melbus communication) TV receiver, 16/36 (Melbus communication)
CD changer, 16/48 (Melbus communication) Audio module, 16/1, sound unit (Melbus communication)
Audio module, 16/1 (Melbus communication) CD changer, 16/48 (Melbus communication)
Via Control Area Network (CAN):  Via Control Area Network (CAN): 
Central electronic module, 4/56 Central electronic module, 4/56
Steering wheel module, 3/130 Audio module, 16/1
Brake control module (ABS), 4/16  
Driver Information Module, 5/1  
Audio module, 16/1  
TCM (4/28)  
Fig 1: Identifying Road Traffic Information Input And Output Signals
GLL106437Courtesy of VOLVO CARS OF NORTH AMERICA.