In this book, only the schemes of electrical connections are given.
To get acquainted and to buy the full book on car repair Audi А4 2001 thru 2005 (including electrics) it is possible under the link
Content
Electrical system
General description and precautions
Heated rear window - check
Stop signal - check
Sound signal - removal and installation
Parking aid sensors - removal and installation
Remote control batteries - replacement
Fuses - replacement
Battery - removal and installation
Battery - check
Battery - charging and storage
Generator - general, precautions and inspection
Generator - removal and installation
Alternator and voltage regulator carbon brushes - check and replace
Starter - removal and installation
Traction relay - removal, check and installation
Windshield wiper
Front glass washer jet - removal, installation and adjustment
Window washer reservoir and pump - removal and installation
Windshield wiper arms - removal and installation
Front glass wiper motor - removing and installing
Rear window wiper motor - removing and installing
Lighting devices - general information
Headlight - removal and installation
Additional brake light - removal and installation
Rear headlamp - removal and installation
Instrument panel - removal and installation
Steering column switches - removal and installation
Troubleshooting
Basic electrical diagrams
Mass Points (-)
Ignition switch, main fuse
Steering column adjuster, cruise control
Turn signal switch, intermittent wiper switch, steering wheel angle sensor, horn, steering column adjuster
Light switch, headlight range control, on-board electrical system relay
Left front headlight, left fog lamp
Right headlight, right fog lamp
Reversing lights
Brake light switch, X terminal unloading relay, vehicle electrical system relay
Ashtray lighting, cigarette lighter, fuses, radio plug III
Lighting of a glove box, niches for legs. Heated rear window
Relay for gauges and warning lights
Relays for dashboard and warning lights, deflector lights, clock radio
Brake pad wear sensor, dash indicator relay, diagnostic connector
