Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSAUDI1998A4 AVANT QUATTRO, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)EXTERNAL PAGESDIFFERENT CARSECTION 87 (RADIO, TELEPHONE, NAVIGATION, TRIP COMPUTER)
1998 Audi A4 Avant Quattro, Automatic
Section 87 (Radio, Telephone, Navigation, Trip Computer)
1998 Audi A4 Avant Quattro, AutomaticSECTION Section 87 (Radio, Telephone, Navigation, Trip Computer)
WARNING: This page does not describe the selected car, but rather 15 other vehicles, including the 2005 Audi allroad, 2004 Audi allroad, 2004 Audi A6, 2003 Audi allroad, and 2003 Audi S6. However, it is still accessible from the selected car via links, so may be relevant.
- Radio systems
- General information
- Transport Mode, deactivating
- "Concert" radio system (Sedan) through m.y. 2001, component overview
- "Concert" radio system (Avant) through m.y. 2001, component overview
- "Concert" & "Symphony" radio system (Sedan) from m.y. 2002, component overview
- Radio systems with Satellite Digital Audio Radio Service (SDARS) (Sedan), component overview
- "Concert" & "Symphony" radio system (Avant) from m.y. 2002, component overview
- Radio systems with Satellite Digital Audio Radio Service (SDARS) (Avant), component overview
- Radio systems, layouts and terminal assignments
- "Concert" radio, layout
- "Concert" radio, Multi-pin connection terminal assignments
- "Concert" radio with BOSE® sound system, layout
- "Concert" radio with BOSE® sound system, Multi-pin connection terminal assignments
- "Symphony"radio (Sedan), layout
- "Symphony" radio (Avant), layout
- "Symphony" radio, Multi-pin connection terminal assignments
- "Symphony" radio with "BOSE® sound system" (Sedan), layout
- "Symphony" radio with "BOSE® sound system" (Avant), layout
- Radio system SDARS with "BOSE® sound system" (Sedan), layout
- Radio system SDARS with "BOSE® sound system" (Avant), layout
- Communication system with SDARS, layout
- Multi-pin connection assignments on "Symphony" radio
- BOSE® amplifier, multi-pin connection assignments
- Multi-pin connection assignments on Satellite Radio -R146-
- Rear window antenna (Sedan), connections
- Side window antenna (Avant), connections
- "Concert" radio, removing and installing
- "Symphony" radio, removing and installing
- Satellite Radio -R146- (Sedan), removing and installing
- Satellite Radio -R146- (Avant), removing and installing
- Loudspeakers in doors, removing and installing
- Bass Loudspeaker -R100- (Sedan), removing and installing
- Bass Loudspeaker -R100- (Avant), removing and installing
- BOSE® Amplifier & loudspeaker (Sedan), removing and installing
- BOSE® Amplifier & loudspeaker (Avant), removing and installing
- CD Changer Unit -R41-, removing and installing
- Antenna amplifiers - "Concert" radio (Sedan) through m.y. 2001, removing and installing
- Antenna amplifiers -"Symphony" & "Concert" radios (Sedan) from m.y. 2002, removing and installing
- Antenna amplifiers - "Symphony" & "Concert" radios (Avant) from m.y. 2002, removing and installing
- Antenna Selection Control Module -J515- (Sedan), removing and installing
- Antenna Selection Control Module -J515- (Avant), removing and installing
- Satellite Tuner Antenna -R172- (Sedan), removing and installing
- Satellite Tuner Antenna -R172- (Avant), removing and installing
- Roof antenna (Avant), removing and installing
- Telephone system
- General information
- Hands-free Telephone through m.y. 2001, layout
- Digital cellular telephone (preparation) from m.y. 2002, layout
- Docking station/retainer (for cellular telephone -R54-), removing and installing
- Telephone Transceiver -R36- (Sedan) through m.y. 1998, removing and installing
- Telephone Transceiver -R36- (Sedan and Avant) from m.y. 1999, removing and installing
- Telephone Transceiver -R36- (Sedan) from m.y. 2000, removing and installing
- Telephone microphone -R38- through m.y. 1999, removing and installing
- Telephone microphone -R38- from m.y. 2000, removing and installing
- Speaker (telephone/navigation) -R39- through m.y. 2001 (only with BOSE® system), removing and installing
- Mast antenna, retrofitting
- Navigation system III (NS-Low) through m.y. 2001
- General information
- Navigation system III, layout
- Terminal assignments/harness connectors on Control module for navigation with CD mechanism -J401-
- Navigation system III, component overview
- Function selection switch II -E272-, removing and installing
- Antenna for navigation system (GPS) -R50- (Sedan) through m.y. 2001, removing and installing
- Roof antenna (Sedan) from m.y. 2002, removing and installing
- Control module for navigation with CD mechanism -J401-, removing and installing
- Navigation system IV (BNS 4.0) from m.y. 2002
- Multi-function steering wheel
- General information
- Multi-function steering wheel through m.y. 2001, layout
- Multi-function steering wheel from m.y. 2002, layout
- Multi-function steering wheel switch/button functions, overview
- Multi-function steering wheel switches, removing and installing
- Control module for multi-function steering wheel -J453-, removing and installing
- Telematics
- General information
- Audi Telematics by OnStar®, functions
- Telematics system, troubleshooting using OnStar® system status light
- Transport Mode, deactivating
- Telematics system, layout
- Multi-pin connection terminal assignments on Telephone/Telematic Control Module -J526-
- Telematic system, component overview
- Telephone/Telematic Control Module -J526-, removing and installing
- Telephone/Telematic Control Module -J526-, replacing and reconfiguring
- Antenna Splitter -R87- (Sedan), removing and installing
- Antenna Splitter -R87- (Avant), removing and installing
- Telematic Control Head -E264-, removing and installing
- Telephone Microphone -R38-, removing and installing
- Emergency battery, switching off/on
- Emergency battery, removing and installing
- Auxiliary Speaker (Telematic) -R91-, removing and installing
- Antenna for telephone -R65-, removing and installing
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.