Antenna Systems

Antenna Systems

Antenna system, US and Canada vehicles, refer to => [ Antenna System with Digital Satellite Tuner Overview ] Antenna System with Digital Satellite Tuner Overview.

The antenna system for the radio and radio/navigation system without the diversity function consists of an antenna in the rear window with an antenna module.

For optimum Digital Audio Broadcasting (DAB) reception, the roof antenna has a special antenna module.

There is also special roof antenna if the vehicle has navigation, a telephone or remote control for the auxiliary heater.

The antenna system with diversity function serves to improve and optimize the reception quality in the vehicle.

The diversity functions are performed directly by the radio or radio/navigation system. The vehicle does have an additional antenna selection control module.

RCD 310 and RCD 510 radios have a rear window antenna with a right antenna amplifier as well as a roof antenna with antenna mast. One diversity function circuit runs via the rear window antenna, the second via the roof antenna.

If the vehicle is equipped with a radio and also telephone equipment or auxiliary heating remote control, antenna system has rear window antenna with 2 trap circuits and diversity as well as a roof antenna.

The "RNS 310" radio navigation system has a rear window antenna with a right antenna amplifier and a roof antenna.

Vehicles with "RNS 510" navigation system always have a rear window antenna with 2 trap circuits and diversity and a roof antenna, regardless of additional equipment.

• Before troubleshooting or servicing, the technicians must be familiar with the function and operation of the radio system.

• Refer to the Owner's Manual.

• When the battery is reconnected, check any affected system or component (radio, clock, comfort electrical connection etc.) according to the repair information and/or the Owner's Manual.

When servicing or fault finding use the Vehicle Diagnosis, Testing & Information System (VAS5051B) "Guided Fault Finding".