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1 Page 1 of 12 Infotainment All Infotainment components communicate via the MS CAN bus. The main unit of the Infotainment system is always a radio (EHU - Entertainment Head Unit), which, depending on the equipment fitted, may also contain navigation and telephone functions. Additional components may also include, depending on the equipment fitted, the Twin Audio System, DAB (Digital Audio Broadcasting), various displays (TID, BID, GID, CID), aerials and a telephone kit for mobile phones. 1 Centre loudspeaker 4 Treble speaker - rear 2 Treble speaker - front 5 Wide-band speaker - rear 3 Combination aerial (radio, GPS) 6 Wide-band speaker - front

2 Page 2 of 12 1 Centre loudspeaker 4 Control panel (CC20, CD30, CD50, CD60 M MEDIA, CD80 M MEDIA, CD70 NAVI, CDC40 OPERA) 2 Display 5 Steering wheel with steering wheel controls 3 Telematics unit (only in conjunction with CDC40 OPERA) Diagnostics All components of the Infotainment system have a diagnostics facility; the data are transmitted via the CAN bus and can be retrieved at the diagnostics plug. Overview of control panels R10 Radio with RDS tuner, TID and 2 speakers

3 Page 3 of 12 CC20 Radio with RDS tuner, cassette player, TID and 7 speakers. Optional: connection kit for mobile phone CD30 MP3 Radio with RDS tuner, CD / MP3 player, TID and 7 speakers. Optional: connection kit for mobile phone; BID; GID; steering wheel controls

4 Page 4 of 12 CD30 MP3 (rear seat audio) Radio with RDS tuner, CD / MP3 player, RSA, TID and 7 speakers. Optional: connection kit for mobile phone; BID; GID; steering wheel controls CD50 phone Radio with RDS tuner, CD / MP3 player, integral phone with voice control, telematics, GID, steering wheel controls and 7 speakers

5 Page 5 of 12 CD60 M MEDIA Radio with RDS tuner, CD / MP3 player, integral phone with voice control, telematics, navigation system, GID, steering wheel controls and 7 speakers CD80 M MEDIA Radio with RDS tuner, integral 6xCD changer/mp3 player, integral phone with voice control, telematics, navigation system, GID, steering wheel controls and 7 speakers

6 Page 6 of 12 CD70 NAVI Radio with RDS tuner, CD/MP3 player, navigation system with separate CD-ROM drive, GID, steering wheel controls and 7 speakers. Optional: CID, connection kit for mobile phone CDC40 OPERA Premium radio with twin RDS tuner and DSP digital sound processor, integral 6x CD changer /MP3 player, GID, steering wheel controls and premium speaker system with 9 speakers Optional: CID, DAB, RSA, connection kit for mobile phone

7 Page 7 of 12 Block diagram - EHU (Entertainment Head Unit) Components A37 Control unit - antilock brake system B112D Treble speaker - driver's A65 Airbag control unit B112P Treble speaker - front passenger A155 Radio - navigation B122L Speaker - rear left A164 Twin Audio B122R Speaker - rear right B1- A162 Microphone B110CE Speaker - instrument panel, centre B111D Speaker - driver's B111P Speaker - front passenger B123L Treble speaker - rear left B123R Treble speaker - rear right W458 Booster - roof aerial P6 Info display Plug A143 Telephone plug X110 Diagnostics plug

8 Page 8 of A37 A65 A94 A143 B1_A162 W458 B110CE B111D B111P B112D B112P B122L B122R B123L B123R A155 A164 MSCAN MSC P6 MS LS MSC X L Additional components DAB The DAB (Digital Audio Broadcast) auxiliary module is installed in the passenger compartment behind the glove compartment for some radios. DAB is a receiver module for terrestrial (i.e. via normal aerials) digital radio. This will be the standard in Germany in a few years' time. DAB receives its data via the DAB aerial incorporated into the normal aerial. The module is operated via the radio (EHU).

9 Page 9 of 12 Twin Audio system The Twin Audio System enables the rear passengers to listen, via headphones, to a different music source from that being played through the loudspeakers (example, radio programme being broadcast via the speakers, CD via the Twin Audio System). The Twin Audio control panel for operating the system and connecting the headphones is located in the centre console extension. If the Twin Audio System is switched on, the rear speakers are automatically switched off. The Twin Audio System can only be combined with certain radio models as the equipment must be capable of reproducing two separate signal sources. Displays In addition to the functions listed below, all displays contain a gateway (transfer) function for bus systems. The displays are connected to both the LS and the MS bus systems and transfer data between the LS and MS bus. TID (Triple Info Display) Monochrome display, 1 line of text The following is displayed: Time, date, outside temperature with ice warning, various radio displays (if an ECC is installed in the vehicle, the GID is used instead of the TID)

10 Page 10 of 12 BID (Board Info Display) Monochrome display, 2 lines of text. The following is displayed: Time, date, outside temperature, various radio displays, trip computer, Check Control GID (Graphic Info Display) Monochrome display, dot matrix (graphics capable) The following is displayed: Time, date, outside temperature, various radio displays, trip computer, telematics, navigation, Check Control, ECC

11 Page 11 of 12 CID (Colour Info Display) Colour display, dot matrix (graphics capable) The following is displayed: Time, date, outside temperature, various radio displays, trip computer, telematics, navigation, Check Control, ECC Block diagram - display

12 Page 12 of X110 A155 A144 MSCAN HS LS A132 A65 A157 A12 P6 X131 A A146 X125 HSCAN H A37 A75 P3 HSCAN A84 A 105 LS HS HSCAN HSCAN A112 X110 L Components A12 Auxiliary heater - passenger compartment A132 Radio A37 Control unit - anti-lock brake system A144 Radio - car phone A65 Airbag control unit A146 Control unit - Parkpilot A75 Assembly - electric power steering A155 Radio - navigation A84 Engine control unit A157 Control unit - tyre pressure monitoring system A105 Column integration module P3 Instrument cluster A112 Transmission control unit P6 Info display X110 Diagnostics plug

The Golf 2004 Electrical system

Service Training Self-study programme 319 The Golf 2004 Electrical system Design and function The most striking change compared with the previous model is the rear lighting of the Golf 2004. The one-piece