🏷️ Basic Information Identification Make: Audi Model: A6 Year: 2000 Codes Internal Platform Code: C5 👋 Introduction Market Position Segment: Luxury Mid-size Sedan/Wagon Competitive Analysis Competitors 2000: BMW 5 Series (E39), Mercedes-Benz E-Class (W210), Lexus GS (JZS160), Volvo S80. Key Features Attributes: Quattro all-wheel drive (optional/standard on some trims), refined interior, advanced safety features, strong performance from V6 and V8 engines. 📋 Manual Details Coverage Areas Primary Coverage: Complete Electrical System Wiring Diagrams Page Count Estimated Pages: Varies by specific sub-model and options; typically extensive for wiring diagrams. Manual Type Type: Wiring Diagram Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Electrical Components: Engine Control Module (ECM), Transmission Control Module (TCM), ABS/ASR, Airbag System, Lighting (Headlights, Taillights, Interior), Power Windows, Power Seats, Central Locking, Climate Control, Infotainment System, Wiper/Washer System, Horn, Instrumentation Cluster, Cruise Control, Immobilizer, Keyless Entry. Procedures Included Diagnostic Aid: Pin-out diagrams, component locations, circuit tracing, fault diagnosis based on electrical symptoms. Technical Depth Depth: Detailed circuit schematics, component identification, wire colors, connector views, fuse/relay assignments. 📊 Manual Specifications File Format Compatibility: All Versions of Windows & Mac Print Quality Printability: All pages are printable. Binding Type Binding: N/A (Digital Download) Paper Type Paper: N/A (Digital Download) Requirements Software: Adobe PDF Reader ⚙️ Engine Specifications Primary Engine Engine Options: 2.8L V6 (ADY, AJA), 4.2L V8 (AWS, AQJ). Performance Hp Torque 2.8L: Approx. 190 hp @ 5800 rpm, 207 lb-ft @ 3200 rpm (engine code ADY/AJA). Hp Torque 4.2L: Approx. 300 hp @ 6200 rpm, 295 lb-ft @ 3700 rpm (engine code AQJ/AWS). Fuel System Injection Type: Sequential Multi-Port Fuel Injection (MPI). Engine Codes Common V6 Codes: ADY, AJA Common V8 Codes: AWS, AQJ Timing Drive V6 Drive System: Timing Belt V8 Drive System: Timing Chain 🔧 Transmission Standard Drive Type Standard: Front-Wheel Drive (FWD) Optional Drive Type Optional: Quattro All-Wheel Drive (AWD) Features Automatic Transmission Type: 5-speed Tiptronic Automatic (e.g., 01V for V6, 01A for V8 Quattro) Manual Transmission Type Manual Availability: Rare; some markets and specific engines may have had a 5-speed manual option. Fluid Type Automatic Fluid: G 052 162 A1/A2 (or equivalent ATF like Pentosin ATF1/Mobil ATF3309, check specific vehicle VIN and manual for precise specification). 📐 Dimensions Exterior Body Styles: 4-door Sedan, 5-door Avant (Wagon) Weights Curb Weight Range: Approx. 3,500 - 3,900 lbs (1588 - 1769 kg), varies significantly by engine and drivetrain. 🛡️ Safety Features Ratings NHTSA Front Impact: 4-star (Driver and Passenger) IIHS Side Impact: Good (for models with side airbags) Active Features Standard Active Safety: Anti-lock Braking System (ABS), Electronic Stability Program (ESP/ASR). Passive Features Standard Passive Safety: Driver and front passenger airbags, side airbags (optional), front and rear head curtain airbags (optional on later models/certain trims). Child Seat Anchors: LATCH system (Lower Anchors and Tethers for Children). 💡 Technology Features Infotainment Audio System Options: Standard Audi Symphony system, optional Bose premium sound system. Navigation System: Optional Audi Navigation System (often DVD-based). Driver Assistance Cruise Control: Standard on most models. Parking Sensors: Optional Audi parking system (rear). Connectivity Telematics Options: Optional satellite phone integration, OnStar (in some markets). Lighting Headlight Options: Halogen projector beam headlights, optional Xenon HID headlights with automatic leveling. 🔧 Maintenance Service Intervals Oil Change Interval Synthetic: Every 10,000 miles or 1 year (using synthetic oil). Timing Belt Replacement V6: Typically recommended around 75,000 - 105,000 miles or 5-7 years for the 2.8L V6 engine. Critical to follow manual recommendations. Fluid Specifications Engine Oil Type: SAE 0W-40 or 5W-40 Synthetic API SJ/CF, ACEA A3-98 or B3-98. Consult owner's manual for exact specification. Coolant Type: G 12 (Pink) or G 12 Plus (Purple) Antifreeze/Coolant concentrate mixed with distilled water. Brake Fluid Type: DOT 4 (or DOT 5.1 if specified). Known Issues Common Electrical Problems: ABS/ESP sensor failures, dashboard warning lights (ECU related), door module issues, headlight leveling system faults, sunroof drain clogging leading to water ingress in ECU box. Common Mechanical Problems: Ignition coil failures, PCV system issues (leading to oil leaks), camshaft adjuster failures (on some V6 engines), CV joint wear, suspension component wear (control arms, bushings). Maintenance Schedule Summary Routine Tasks: Oil and filter changes, air filter replacement, cabin filter replacement, spark plug replacement, timing belt service (V6), transmission fluid service, brake fluid flush, coolant flush. 📚 Vehicle History Brand Heritage Brand Origins: Founded in 1899 by August Horch, originating from Germany. Model Evolution C5 Generation Period: 1997-2004 (worldwide), 1999-2004 (North America). Production Manufacturing Location: Ingolstadt, Germany; also produced in other Volkswagen Group facilities. 🏆 Awards & Recognition Recognitions North American Car Of The Year: No specific award for the 2000 model year, but its predecessor and subsequent models received numerous accolades for luxury and performance. Ratings Car And Driver Best 10: The C5 A6 platform was often lauded for its handling and comfort, frequently appearing in comparisons by automotive publications. Certifications...