Audio System With Navigation

• Adjustment - Replacement
  • Head Unit
    • To Remove
    • To fit
  • Replacing Head Unit In Audio System
    • General
  • Antenna, GPS/Mobile Telephone (4D)
    • Notes
    • To remove
    • To fit
  • Antenna, GPS/Mobile Telephone (5D)
    • Notes
    • To remove
    • To fit
  • Steering Wheel Switch
    • Notes
    • To remove
    • Fitting
  • Amplifier, Premium/Prestige
    • To remove
    • To fit
  • Speakers, Dashboard (Left/Right)
    • To remove
    • To fit
  • Speaker, Dashboard (Center)
    • To remove
    • To fit
  • Speakers, Front Doors
    • To remove
    • To fit
  • Speakers, Rear Doors
    • To remove
    • To fit
  • Speaker, Parcel Shelf Prestige (4D)
    • To remove
    • To fit
  • Speaker, Luggage Compartment (5D)
    • To remove
    • To fit
  • Antenna Amplifier (4D)
    • To remove
    • To fit
  • Antenna Filter (4D)
    • To remove
    • To fit
  • Antenna Amplifier, Right-Hand Side (5D)
    • To remove
    • To fit
  • Antenna Amplifier, Left-Hand Side (5D)
    • To remove
    • To fit
  • Changing Antenna Cable Between Antenna Amplifier "2-Channel" (5D)
    • To remove
    • To fit
  • Antenna Cable, Radio (4D)
    • To fit
  • Antenna Cable, Radio (5D)
    • To fit
  • Repairing Window Glass Antenna (4D)
    • Repair
  • CD Changer (4D)
    • To remove
    • To fit
  • CD Changer (5D)
    • To remove
    • To fit
• Component Location
  • Main Fuse Board 22A In Dashboard
  • Loudspeaker, Driver's Door (266D)
  • Loudspeaker, Dashboard, Center (266FC)
  • Loudspeaker, dashboard, LH (266FL)
  • Loudspeaker, dashboard, RH (266FR)
  • Loudspeaker, passenger door (266P)
  • Speaker, rear door, LH (266RPL)
  • Speaker, rear door, RH (266RPR)
  • Loudspeaker, parcel shelf, LH (266RL)
  • Loudspeaker, parcel shelf, RH, 4D (266RR)
  • Loudspeaker, subwoofer, 5D (266RR)
  • Amplifier, audio system (354)
  • CD changer, rear (355R)
  • Connection, mobile telephone/Connector OnStar (375)
  • SID (541)
  • Antenna amplifier, radio (624)
  • Antenna amplifier, radio, LH (624RL)
  • Antenna amplifier, radio, RH (624RR)
  • Steering wheel switch unit (633)
  • Head unit, audio/navigation (635)
  • Filter, antenna ground (644)
  • ESP control module (671)
  • Connector H16-1
  • Connector H16-2
  • Connector H16-6
  • Connector H42-1
  • Connector H42-2
  • Connector H42-3
  • Connector H42-4
  • Connector H43-1
  • Connector H80-1
  • Crimp connection J46, instrument harness
  • Crimp connection J67, instrument harness
  • Crimp connection J68, instrument harness
  • Crimp connection J89, instrument harness
  • Crimp connection J91, rear harness
  • Crimp connection J120, rear harness
  • Crimp connection J145, instrument harness
  • Grounding point G3
    • Notes
    • Connected components 4D
    • Connected components 5D
  • Grounding point G40
    • Notes
    • A. Connected components of LHD car
    • B. Connected components of RHD car
  • Grounding point G42
    • Notes
    • A. Connected components of LHD car
    • B. Connected components of RHD car
• Fault Diagnosis, Fault Codes
  • Notes
  • DTC B0001: Vehicle Speed - Incorrect Signal
    • Fault symptoms
    • Type of diagnosis
    • Enable criteria
    • Fault criteria
    • System reaction to a fault
    • Diagnostic help
  • DTC B1000: Control Module - Internal Fault
    • Notes
    • Fault symptoms
    • Type of diagnosis
    • Enable criteria
    • Fault criteria
    • System reaction to a fault
    • Diagnostic help
  • DTC B1271: Anti Theft Error - Wrong Car Environment
    • Notes
    • Fault symptoms
    • Type of diagnosis
    • Enable criteria
    • Fault criteria
    • System reaction to a fault
  • DTC B1327: Battery Voltage Too Low
    • Notes
    • Type of diagnosis
    • Enable criteria
    • Fault criteria
    • System reaction to a fault
  • DTC B1328: Battery Voltage Too High
    • Notes
    • Type of diagnosis
    • Enable criteria
    • Fault criteria
    • System reaction to a fault
  • DTC B1375: +15, Incorrect Value
    • Notes
    • Fault symptoms
    • Type of diagnosis
    • Enable criteria
    • Fault criteria
  • DTC B2462: GPS Signal Error
    • Notes
    • Fault symptoms
    • Type of diagnosis
    • Enable criteria
    • Fault criteria
    • System reaction to a fault
  • DTC U2100: Missing Bus Communication
    • Notes
    • Type of diagnosis
    • Enable criteria
    • Fault criteria
• Fault Diagnosis, General
  • Fault diagnosis strategy for electronic systems
    • Notes
    • General fault diagnosis in electronic systems
      • Control module
      • Outputs
      • Inputs
  • Tech 2 menu structure
  • Menu "Programming"
  • Before changing a control module
  • Testing for open/short circuits
    • General
    • Testing for open circuits by measuring voltage.
    • Testing for open circuits by measuring resistance
    • Testing for short circuits to ground
  • Connectors, handling and checking
    • Handling
    • Checking
  • Audio/navigation head unit, test protocol
• Fault Diagnosis, Symptoms
  • CD cannot be removed/inserted
    • Notes
    • Fault symptoms
    • Conditions
    • Diagnostic help
    • Checking the wiring harness
  • No or poor sound when using the CD changer
    • Notes
    • Fault symptoms
    • Conditions
    • Diagnostic help
    • Checking the wiring harness
  • No or poor sound from one or more speakers when playing CDs
    • Notes
    • Fault symptoms
    • Conditions
    • Diagnostic help
    • Checking the wiring harness
  • No screen image in CD changer mode
    • Notes
    • Fault symptoms
    • Conditions
    • Diagnostic help
    • Checking the wiring harness
  • DVD map cannot be removed/inserted
    • Notes
    • Fault symptoms
    • Conditions
    • Diagnostic help
    • Checking the wiring harness
  • The vehicle marker on the map does not follow the route taken
    • Notes
    • Fault symptoms
    • Conditions
    • Diagnostic help
    • Checking the wiring harness
  • No image on the display screen
    • Notes
    • Fault symptoms
    • Conditions
    • Diagnostic help
    • Checking the wiring harness
  • Indicator for NO GPS Reception on constantly
    • Notes
    • Fault symptoms
    • Conditions
    • Diagnostic help
    • Checking the wiring harness
  • No or poor sound from the speakers when navigation is used
    • Notes
    • Fault symptoms
    • Conditions
    • Diagnostic help
    • Checking the wiring harness
  • No image on the display screen in navigation mode
    • Notes
    • Fault symptoms
    • Conditions
    • Diagnostic help
    • Checking the wiring harness
  • No or poor sound for all functions
    • Notes
    • Fault symptoms
    • Conditions
    • Diagnostic help
    • Checking the wiring harness
  • Poor radio reception/interference
    • Notes
    • Fault symptoms
    • Conditions
    • Diagnostic help
    • Checking the wiring harness
  • Touchscreen (touch function) works poorly or not at all
    • Notes
    • Fault symptoms
    • Enable criteria
    • Diagnostic help
• Special Tools
  • Tech 2
  • 84 71 203 Removal tool
  • 86 11 261 Test lead, 39-pin
  • 86 11 345 Jumper cable (x 2)
  • 86 11 857 Test lamp, red-green
• Technical Data
  • Head unit, audio/navigation (635)
    • Notes
    • Radio
    • Navigation
    • CD Player
  • Antenna, mobile telephone/GPS
  • Antenna, GPS (cars with OnStar)
  • Amplifier, Premium
  • Amplifier, Prestige
  • Test readings, amplifier connections
  • Speakers, Premium
  • Speaker, Prestige (4D)
  • Speaker, Prestige (5D)
  • Steering wheel controls (switches)
  • Steering wheel control (switches), Sentronic
  • CD changer
  • Test values, CD changer connections
• Technical Description
  • System overview, Premium (4D)
  • System overview, Prestige (4D)
  • Main components (4D)
  • System overview, Premium (5D)
  • System overview, Prestige (5D)
  • Main components (5D)
  • Brief description
    • General
    • Head unit, audio/navigation
    • Radio
    • CD/DVD player
    • Amplifier
    • Speakers
    • GPS antenna, cars with OnStar
    • GPS antenna, other
    • Antenna system, radio (4D)
    • Antenna system, radio (5D)
    • CD changer
    • Steering wheel controls
  • Head unit inputs
  • Head unit inputs, bus
  • Head unit outputs
  • Head unit outputs, bus
  • Head unit
    • General
    • Wake-up
    • Wake-up with trigger voltage (12 V)
    • Wake-up with bus information
    • Operation
  • Head unit power supply
    • Notes
    • Power supply +15
    • Power supply +30
  • Head unit ground
    • Notes
    • Ground connection
  • Bus message, audio navigation system
    • Notes
    • The head unit uses the following information
    • The head unit transmits the following information
  • Navigation
    • Overview
    • General
      • GPS satellite system
      • Navigation system
    • Operation
  • Audio
    • Notes
    • General
    • Activation
    • Sound controls
  • Radio
    • Notes
    • General
    • RDS radio services
      • Notes
      • Alternative Frequency (AF)
      • Regional frequencies (REG)
      • Radio Text (RT)
      • TA/TP (Traffic Announcement/Traffic Program)
      • PTY (Program Type)
  • CD/DVD player
    • Notes
    • General
    • CD/MP3 player
    • DVD player
  • CD changer
    • Notes
    • General
    • Function
  • Power amplifier, Premium/Prestige
    • Notes
    • General
    • Function
  • Antenna system, radio (4D)
    • Notes
    • Antennas
    • Antenna system 1, black
    • Antenna system 2, red
  • Antenna system, radio (5D)
    • Notes
    • General
    • Antennas
    • Antenna amplifier
    • Antenna system 1,
    • Antenna system 2
  • GPS antenna
  • Steering wheel controls
    • Notes
    • General
    • Function
    • Diagnosis
  • Speed-dependent volume
    • Notes
    • General
    • Function
  • Theft protection
    • Notes
    • General
    • Function