Audio System Without Navigation

• Adjustment - Replacement
  • Replacing Main Unit In Audio System
    • General
  • Main unit
    • Notes
    • To remove
    • To fit
  • Panel lighting
    • Replacing the front panel
    • 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 the antenna cable between the antenna amplifier "2-channel" (5D)
    • To remove
    • To fit
  • Antenna cable, radio (4D)
    • To fit
  • Antenna cable, radio (5D)
    • To fit
  • Repairing the window glass antenna (4D)
    • Repair
  • CD changer (4D)
    • To remove
    • To fit
  • CD changer (5D)
    • To remove
    • To fit
  • Programming the main unit
• Component Location
  • Main fuse board 22a in the dashboard
  • Horn switch (41)
  • 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)
  • Steering wheel contact unit, horn/switch (336b)
  • Main unit, audio system (353)
  • Amplifier, audio system (354)
  • Connection, audio system amplifier, loudspeaker output (354h)
  • Connector, CD changer (355ha)
  • Connection, CD changer bus connection (355hb)
  • 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)
  • Filter, antenna ground (644)
  • Connector H2-6
  • Connector H2-7
  • Connector H16-1
  • Connector H16-2
  • Connector H16-3
  • Connector H16-6
  • Connector H42-1
  • Connector H42-2
  • Connector H42-3
  • Connector H42-4
  • Connector H80-1
  • Crimp connection J46, instrument harness
  • Crimp connection J67, instrument harness
  • Crimp connection J68, instrument harness
  • Crimp connection J89, instrument harness
  • 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 B1605, B2600, B2602, B2610: CD Changer Internal Fault
    • Notes
    • Fault symptoms
    • Conditions
    • Diagnostic help
  • DTC B2605: CD Changer Magazine Load/Eject Error
    • Notes
    • Fault symptoms
    • Conditions
      • B2605
    • Diagnostic help
  • DTC B2615, B2620, B2625, B2755, B2760, B2762, B2765, B2767, B2780: CD Changer Magazine Failure/Extreme Vibrations or Mechanical Failure, CD Changer CD Record Faulty or Internal Error 1, CD-Player Focus Error, Compact Disc Faulty or Extreme Vibrations, Compact Disc Read Error
    • Notes
    • Fault symptoms
    • Conditions
    • Diagnostic help
  • DTC B2650: Sound Controls. Faulty
    • Notes
    • Fault symptoms
    • Conditions
    • Diagnostic help
    • Diagnostic procedure
  • DTC B2670: Anti Theft Error.
    • Notes
    • Fault symptoms
    • Conditions
      • B2670
    • Diagnostic help
  • DTC B2750, B2752: CD-Player Mechanical Fault
    • Notes
    • Fault symptoms
    • Conditions
      • B2750
      • B2755
    • Diagnostic help
  • DTC B2770, B2775, B2800, B2802, B2805, B2810, B2815: Tape-Player Mechanical fault or faulty cassette, Tape Head Movement Error, Tape Jammed/Tape Broken or Mechanical Failure 1
    • Notes
    • Fault symptoms
    • Conditions
      • B2770
      • B2775
      • B2800
      • B2802
      • B2805
      • B2810
      • B2815
  • DTC B2772: CD Player Overheated
    • Notes
    • Fault symptoms
    • Conditions
      • B2790
    • Diagnostic help
  • DTC B2785: Anti Theft Error - Wrong car Environment
    • Notes
    • Fault symptoms
    • Conditions
    • Diagnostic help
  • DTC B2790: Anti Theft Error - DICE
    • Notes
    • Fault symptoms
    • Conditions
  • DTC B2795: Anti Theft Error - TWICE
    • Notes
    • Fault symptoms
    • Conditions
    • Diagnostic help
• 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 "Read Values"
  • Menu "Programming"
  • Menu "System Information"
  • 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
• Fault Diagnosis, Symptoms
  • No diagnostics communication
    • Notes
    • Fault symptoms
    • Conditions
    • Diagnostic procedure
  • No sound. The SID unit displays audio information.
    • Notes
    • Fault symptoms
    • Probable cause of fault
    • Checking the wiring harness
  • A click is heard from the speakers when the audio system is switched off
    • Notes
    • Fault symptoms
    • Probable cause of fault
    • Checking the wiring harness
  • Poor radio reception
    • Notes
    • Fault symptoms
    • Probable cause of fault
    • Diagnostic help
    • Checking the wiring harness
  • Bad radio reception on FM when electrically heated rear window is on (even noise level) (4D)
    • Notes
    • Fault symptoms
    • Probable cause of fault
    • Tips for fault diagnosis
    • Diagnostic procedure
  • No sound from one of the speakers
    • Notes
    • Fault symptoms
    • Probable cause of fault
    • Diagnostic help
    • Checking the wiring harness
  • No sound on one or both channels of the CD changer. The SID displays CD changer information
    • Notes
    • Fault symptoms
    • Checking the wiring harness
  • CD changer theft protection faulty
    • Notes
    • Fault symptoms
    • Conditions
      • B2670
    • Diagnostic help
• Special Tools
  • Tech 2
  • 84 71 161 Removal tool, audio system
  • 86 11 261 Test lead, 39-pin
  • 86 11 345 Jumper cable (x 2)
  • 86 11 352 Measurement cable, male pin (x 4)
  • 86 11 410 Measurement cable, female pin (x 4)
  • 86 11 857 Test lamp, red-green
• Technical Data
  • Main unit, Premium and Prestige
    • Notes
    • Radio
    • Cassette Player
    • CD Player
  • Test values and control module connections for Premium/Prestige
    • Notes
    • Scope
    • Remember:
    • Main unit connections (26-pin)
  • Main unit, Popular
    • Notes
    • Amplifier, internal
    • Radio
    • CD Player
  • Test values and control module connections for Popular
    • Notes
    • Scope
    • Remember:
    • Main unit connections (26-pin)
  • Amplifier, Premium
  • Amplifier, Prestige
  • Test readings, amplifier connections
  • Speakers, Premium
  • Speaker, Prestige (4D)
  • Speaker, Prestige (5D)
  • Speakers, Popular
  • Antenna amplifier, radio, system 1 (4D)
  • Antenna amplifier, radio, system 2 (4D)
  • Antenna amplifier, radio, system 1 (5D)
  • Antenna amplifier, AM/FM radio, system 2 (5D)
  • Antenna amplifier, FM radio, system 2 (5D)
  • Antenna, radio (4D)
  • Radio antenna, system 1/2 (5D)
  • Radio antenna, system 2 (5D)
  • Antenna filter, radio (4D)
  • 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)
  • System overview, Popular (4D)
  • Main components (4D)
  • System overview, Premium (5D)
  • System overview, Prestige (5D)
  • System overview, Popular (5D)
  • Main components (5D)
  • Brief description
    • General
      • Notes
      • Main unit
      • Radio
      • Cassette Player
      • CD Player
      • Display
      • Amplifier
      • Speakers
      • Antenna system (4D)
      • Antenna system (5D)
      • CD changer
      • Steering wheel switches
    • P-bus and I-bus
  • Main unit inputs
  • Head unit inputs, bus
  • Main unit outputs
  • Head unit outputs, bus
  • Main unit
    • Notes
    • General
  • Main unit power supply
    • Notes
    • Power supply +15:
    • Power supply +30:
  • Main unit ground
    • Notes
    • Ground connection:
  • Bus messages, Audio
  • Audio system, Premium/Prestige
    • Notes
    • General
    • Activation
    • Control functions
  • Audio system, Popular
    • Notes
    • General
    • Activation
    • Control functions
  • Radio, Premium/Prestige
    • Notes
    • General
    • Function
    • Control functions
  • Radio, Popular
    • Notes
    • General
    • Function
    • Control functions
  • Radio with RDS
    • Notes
    • General
    • Function
  • RDS radio services
    • Notes
    • General
      • Notes
      • TA/TP (Traffic Announcement/Traffic Program)
      • PTY (Program Type)
      • EON (Enhanced Other Network)
      • REG (Regional)
  • CD player, Premium/Prestige
    • Notes
    • General
    • Function
    • Control functions
  • CD player, Popular
    • Notes
    • General
    • Function
    • Control functions
  • CD changer
    • Notes
    • General
    • Function
    • Control functions
  • 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
  • Steering wheel controls
    • Notes
    • General
    • Function
    • Diagnosis
  • Speed-dependent volume
    • Notes
    • General
    • Function
  • Theft protection
    • Notes
    • General
    • Function