Telephone System Overview

Telephone System Overview

• The telephone system and telephone preparation primarily differ in that the telephone system has a factory-installed cell phone. Therefore, the following overview only illustrates the complete telephone system.






1 - Multifunction Steering Wheel

• Optional

• For more information regarding the multifunction steering wheel refer to => [ Multifunction Steering Wheel, Through 05.10 ] Multifunction Steering Wheel, Through 05.10 or => [ Multifunction Steering Wheel, From 05.10 ] Multifunction Steering Wheel, From 05.10.

2 - Instrument Cluster

3 - Telephone Microphone (R38) Microphone (R38)

• For hands-free operation of telephone system.

• Installed in front interior light.

• Removing and installing, refer to => [ Telephone Microphone ] Service and Repair.

4 - Microphone Connector

• In front light installation frame.

5 - Radio

or Radio/Navigation Display Control Module (J503) (radio navigation system)

6 - Right Speaker Group

7 - Left Speaker Group

8 - Cell Phone Operating Electronics Control Module (Interface Box) Voltage Supply

9 - Cell Phone Operating Electronics Control Module (J412) (Interface Box)

• Installed below front right seat.

• Removing and installing, refer to => [ Cell Phone Operating Electronics Control Module (J412) ] Cell Phone Operating Electronics Control Module (J412).

10 - Connector To The Cell Phone Baseplate

• Installed in telephone bracket wiring harness behind instrument panel

11 - Connector To Operating Electronics Control Module

12 - Telephone Antenna (R51)

• On rear of roof.

• For more information regarding the different antenna systems, refer to => [ Antenna Systems ] Antenna Systems.

13 - Antenna Wiring Connector

• Antenna telephone connector

• below rear headliner

14 - Cellular Telephone (R54)

• Telephone Baseplate, removing and installing, refer to => [ Cellular Phone Baseplate ] Cellular Phone Baseplate.

15 - Steering Column Electronic Systems Control Module (J527)