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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSAUDI2004A4 BASE, 4D SEDAN, 3.0 TREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTINFOTAINMENTNAVIGATION SYSTEM - EXCEPT CABRIOLET
2004 Audi A4 Base, 4D Sedan, 3.0 T
Navigation System - Except Cabriolet
2004 Audi A4 Base, 4D Sedan, 3.0 TSECTION Navigation System - Except Cabriolet
- Navigation System IV
- General information
- Navigation System IV (Sedan), component overview
- Navigation System IV (Avant), component overview
- Navigation System IV, layout
- Connections at rear of Control module for navigation with CD-mechanism -J401-
- Control module for navigation with CD-mechanism -J401-, removing and installing
- Antenna for Navigation System (GPS) -R50- (Sedan), removing and installing
- Antenna for Navigation System (GPS) -R50- (Avant), removing and installing
- GPS Antenna Splitter -R110- (Avant), removing and installing
- Telematics
- General information
- Audi Telematics by OnStar(R), functions
- Telematics system, troubleshooting using OnStar(R) system status light
- Telematic system (Sedan), component overview
- Telematic system (Avant), component overview
- Telematic system (Sedan), layout
- Telematic system (Avant), layout
- Terminal assignments/harness electrical connections on Telephone/Telematic Control Module -J526-
- Terminal assignment of multi-pin harness connector on Telephone/Telematic Control Module -J526
- Telephone/Telematic Control Module -J526-, removing and installing
- Telephone/Telematic Control Module -J526-, replacing and reconfiguring
- Emergency battery, switching off/on
- Emergency battery, removing and installing
- Antenna Splitter -R87- (Avant), removing and installing
- Telematic Control Head -E264-, removing and installing
- Telephone Microphone -R38-, removing and installing
- Auxiliary Speaker (Telematic) -R91- (emergency loudspeaker), removing and installing
- Antenna for Navigation System (GPS) -R50- and Auxiliary Antenna (Telematic) -R90-, removing and installing
- Antenna for telephone -R65- (Sedan), removing and installing
- Antenna for telephone -R65- (front) and Antenna 2 for telephone -R127- (rear) (Avant), removing and installing
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.