Wiring Diagrams

The 1992 Audi 80 (B4) represents a significant iteration of Audi's compact executive sedan and avant offerings, known for its robust German engineering, refined design, and emphasis on build quality. This generation, succeeding the Type 89, featured a cleaner, more aerodynamic profile and an improved interior, reflecting Audi's commitment to sophisticated technology and a premium driving experience. Available with a range of gasoline and diesel engines, including inline-four and inline-five configurations, and optional Quattro all-wheel drive, the Audi 80 B4 was designed to compete with established European luxury brands, offering a blend of comfort, safety, and dynamic handling for discerning drivers.

The 1993 Audi S4, built on the B4 platform, is a performance sedan designed for enthusiasts seeking a potent blend of all-wheel-drive capability and turbocharged power. Featuring a 2.2-liter inline 5-cylinder turbocharged engine producing 227 horsepower and 257 lb-ft of torque, this model embodies Audi's commitment to sophisticated engineering and dynamic driving. Its Quattro permanent all-wheel-drive system, coupled with a 5-speed manual transmission, ensures exceptional traction and control in various conditions, making it a compelling choice against competitors like the BMW 325i and Mercedes-Benz 190E 2.3-16.

The Audi RS2 Avant, produced between 1994 and 1995, represents a unique collaboration between Audi and Porsche, creating an exclusive, high-performance estate car. Built upon the Audi 80/90 Avant (Type 89 chassis) and manufactured at Porsche's Rossle-Bau facility, this model is renowned for its exceptional performance, largely thanks to Porsche's significant tuning of the powertrain, suspension, and brakes. It features a 2.2-liter, 5-cylinder turbocharged engine producing 315 PS, paired with a Getrag 6-speed manual transmission and Audi's Quattro all-wheel-drive system. Its distinctive styling, including Porsche-sourced body enhancements, further sets it apart, blending practicality with supercar-level capabilities, making it a highly sought-after collector's item.

This workshop service repair manual covers the Audi A3, First Generation (Typ 8L), produced from 1996 through 2003. As Audi's inaugural entry into the compact executive hatchback segment, the A3 established the brand's presence with a premium feel, sporty handling, and a refined interior, sharing its platform with the Volkswagen Golf Mk4. It offered a diverse range of petrol and diesel engines, including performance 'S' models and the renowned Quattro all-wheel-drive system, solidifying its reputation for engineering quality and dynamic performance.

This manual covers the Audi A3, First Generation (Typ 8L), produced starting in 1997. Built on the VW Group A4 platform, this compact hatchback represented Audi's entry into the premium compact segment, embodying the brand's philosophy of "Vorsprung durch Technik" with a focus on engineering quality and performance. The A3 is known for its solid build, refined interior, and engaging driving dynamics, making it a popular choice for those seeking a premium European driving experience. This comprehensive guide will assist in maintaining and understanding this well-engineered vehicle.

The 1997 Audi A3, part of the first generation (Typ 8L), represents Audi's foray into the premium compact hatchback segment. Built on the robust Volkswagen Group A3 platform, this model is recognized for its upscale interior, precise driving dynamics, and Audi's commitment to engineering quality. Offering a range of engine options, including 1.6L, 1.8L naturally aspirated and turbocharged variants, and potentially 1.9L TDI diesel engines, the A3 delivers a refined driving experience suitable for both daily commuting and spirited driving. Its hatchback body style, available in 3-door and 5-door configurations, provides practicality without compromising on the sophisticated design characteristic of the Audi brand.

The Audi A4 B5, produced between 1997 and 2000, represents a sophisticated compact executive car celebrated for its premium interior, solid build quality, and refined driving dynamics. This generation of the A4, known for its advanced quattro all-wheel-drive system and comfortable ride, competed effectively within its segment. Available with a range of engines including the 1.8L turbocharged inline-4 and the 2.8L V6, and offering both manual and automatic transmissions, the A4 B5 provided a blend of performance and luxury that earned it accolades from automotive publications.

The Audi A3, specifically the Typ 8L generation produced between 1997 and 2001, represents Audi's significant entry into the premium compact hatchback segment. This model, built on the Volkswagen Group A4 platform, was lauded for its quality engineering, refined interior, and sporty driving dynamics, often competing with established rivals. Available in 3-door and 5-door hatchback body styles, and featuring a range of inline 4-cylinder engines including naturally aspirated, turbocharged gasoline, and turbocharged direct injection diesel variants, the A3 offered a blend of performance and practicality. Notable features included available Quattro all-wheel drive, advanced (for its time) engine management systems, and a focus on occupant safety with front and optional side airbags.

The 2000 Audi A6, chassis code C5, represents Audi's commitment to sophisticated design, advanced technology, and quality engineering within the executive luxury mid-size sedan and Avant segments. Known for its elegant European styling, premium interior appointments, and available quattro all-wheel drive system, the A6 offers a refined driving experience. This model year is part of a generation that cemented Audi's reputation as a premium manufacturer, competing with established luxury brands through a blend of performance, comfort, and distinctive aesthetics.

This manual covers the Audi S8, a full-size luxury and performance sedan from the 2001 model year, part of the D2 generation (Typ 4D). Known for combining sporty driving dynamics with refined luxury, the S8 features a powerful 4.2-liter V8 engine, Quattro all-wheel drive, and advanced electronics for its era. Its design emphasizes performance, with a focus on a potent engine, sophisticated suspension, and early adoption of technological integration, making it a distinguished competitor in its segment.

This manual provides comprehensive information for owners and automotive professionals alike, offering the same detailed specifications and procedures utilized by authorized service departments. It is designed to empower vehicle owners, even those with limited mechanical experience, to better understand their vehicle and communicate effectively with technicians regarding maintenance and repairs. The content covers a wide array of essential vehicle systems, ensuring a thorough understanding of its operation and upkeep.

This manual provides comprehensive service and repair information for the 1978 Audi 100 and 200 models. These vehicles represent a significant era in Audi's history, showcasing advancements in front-wheel-drive technology and engineering. Known for their robust construction and comfortable ride, the Audi 100 and 200 were designed for executive transport and offered a blend of performance and luxury for their time. This document is an essential resource for understanding and maintaining these classic automobiles, covering their innovative transaxle design and the distinctive inline five-cylinder engines.

This manual covers the Audi 100 and its performance variant, the 200, produced between 1989 and 1991. These models, part of the C3 generation, represent Audi's strong engineering heritage and were known for their aerodynamic design and advanced features for their time. The Audi 100 and 200 were recognized for their innovation and performance, offering a premium driving experience that competed effectively in the executive car segment.

The Audi 200, produced between 1982 and 1991 under the Type 44 platform code, represents a significant era in automotive engineering. Known for its robust construction and refined performance, this model offered a range of inline 5-cylinder engines, typically turbocharged, with displacements of 2.1L and 2.2L, producing between 130 and 180 horsepower. Available in sedan and Avant (wagon) body styles, and featuring both front-wheel drive and the advanced Quattro all-wheel drive system, the Audi 200 was engineered for comfort and capability, making it a distinguished choice for discerning drivers.

This manual covers the Audi 80 Diesel models produced between 1978 and 1984, identified by the B2 (Type 85) chassis code. Known for Audi's commitment to engineering quality and reliability, these vehicles offered efficient diesel powertrains, including 1.6L and 2.0L engine variants. The Audi 80 platform, redesigned by Giugiaro, featured a modern aesthetic and was a notable entry in the compact executive segment, with the diesel variants specifically addressing the growing demand for fuel economy.

The Audi 80, specifically the Third Generation (Typ 8A/8C) produced from 1986 to 1991, represents a significant chapter in Audi's commitment to quality engineering and refined driving dynamics. Built on the Volkswagen Group B3 Platform, this compact executive and small family car was recognized for its aerodynamic styling, advanced galvanized steel unibody construction, and high safety standards for its era. It offered a comfortable and stable driving experience, featuring front-wheel drive bias with the option of the renowned Quattro all-wheel-drive system. The Audi 80 B3 embodied the brand's "Vorsprung durch Technik" philosophy, continuing its legacy of sophisticated vehicles and serving as a solid competitor in its segment.

This manual covers the Audi 80/90, model line code B3/Typ 89, produced between 1986 and 1991. These vehicles, available in Sedan and Avant body styles, represent Audi's commitment to engineering quality and front-wheel-drive innovation. The 80/90 series, built on the Typ 89 platform, introduced more aerodynamic styling and enhanced safety features for its time. The Audi 90 variant offered a more premium experience, often equipped with more powerful engines and higher trim levels. This range of vehicles, featuring various inline-four and inline-five cylinder petrol engines from 1.8L to 2.2L, also included Quattro all-wheel-drive systems on select models.

The Audi A2, first generation (Typ 8Z), produced in 2001, is a premium compact hatchback recognized for its innovative lightweight aluminum construction, the Audi Space Frame (ASF), and efficient packaging. This model competed in a segment with vehicles like the Volkswagen Golf and BMW 1 Series, distinguishing itself through its unique materials and premium interior. The A2 was praised for its practicality and build quality, even receiving the 'Golden Steering Wheel' award in Germany in 2001. It was offered with efficient petrol and diesel engines, including the notable 1.4L TDI, and was manufactured exclusively in Neckarsulm, Germany.

The Audi A3, produced from 1997 to 2003, represents the first generation (8L) of Audi's premium compact hatchback. Known for its robust engineering, quality interior, and engaging driving dynamics, the A3 was designed to offer a refined experience in the compact segment. Available in 3-door hatchback and 5-door Sportback body styles, it featured a range of efficient gasoline and TDI diesel engines, including 1.6L, 1.8T, and 1.9L TDI variants, offering horsepower from 100 to 180 PS. This model continued Audi's legacy of developing premium vehicles, earning acclaim for its build quality and driving characteristics.

The Audi A4 B5, produced from 1997 to 2000, marked Audi's significant entry into the premium compact executive segment, offering a blend of sophisticated engineering and understated design. Built on a platform lauded for its advanced multi-link front suspension, it delivered an exceptional ride and handling balance, rivaling established competitors. The A4 B5 was characterized by its clean styling, high build quality, and driver-focused interior ergonomics, appealing to professionals seeking a refined European sedan or wagon. Throughout its production, the A4 B5 received accolades, including frequent recognition on prestigious automotive lists for its performance, particularly in its 1.8T and 2.8 quattro variants, solidifying its reputation for engineering excellence.

This manual covers the Audi A4 Avant, model code B5 (Typ 8D), produced between the 1995 and 2001 model years. As a premium compact executive wagon, the A4 Avant is renowned for its sophisticated German engineering, offering a blend of comfort, performance, and practicality. It was designed to compete in a segment with vehicles like the BMW 3 Series Touring and Mercedes-Benz C-Class Estate, emphasizing a refined driving experience and quality construction. The A4 Avant was available with a range of gasoline and diesel engines, including turbocharged inline-4 and V6 options, paired with either front-wheel drive or all-wheel drive system, along with manual and automatic transmissions.

This manual covers the Audi A4, specifically the B5 generation, produced from 1995 to 2001. Known for its sophisticated engineering and premium feel, the A4 offered a range of engine options, including 1.8L, 2.7L V6, and 2.8L V6 variants, paired with either front-wheel drive or the renowned Quattro all-wheel-drive system. Available in sedan and Avant (wagon) body styles, the A4 was recognized for its quality, performance, and was a frequent recipient of automotive accolades, reflecting Audi's legacy of innovation.

The Audi A4 Avant, produced starting in 1996, represents a significant entry in the compact executive car segment. Known for its sophisticated German engineering, this model is recognized for its balanced chassis and refined driving experience, often enhanced by the availability of the quattro all-wheel-drive system. It offers solid build quality and a comfortable interior, positioning it as a premium choice among its contemporaries. The A4 Avant provided a blend of practicality and premium features, making it a versatile option for discerning drivers.

The Audi A4 B5, produced from 1997 to 2001, established Audi's presence in the premium compact executive sedan market. This generation, known by its chassis code Typ 8D, was recognized for its sophisticated exterior styling, refined interior, and the availability of Audi's renowned Quattro all-wheel-drive system. It offered a range of inline-4 and V6 engines, providing a balance of performance and comfort, and was celebrated by publications like Car and Driver, earning a spot on their '10Best' list multiple times. The A4 B5 represented a significant evolution for Audi, blending understated luxury with German engineering.

The Audi A4 S4, produced in 2005, represents a premium compact executive car built on the Volkswagen Group PL46 platform. Known for its refined interior and strong performance, particularly the S4 variant featuring a 340 hp 4.2L V8 engine, this model offered Quattro all-wheel drive as a key distinguishing feature. Its design and engineering reflect Audi's commitment to quality and driving dynamics, positioning it competitively against rivals like the BMW 3 Series and Mercedes-Benz C-Class of the era.

The Audi A6, produced from 1997 to 2004, represents German engineering excellence in the executive sedan segment. Known for its refined interior, comfortable ride, and optional quattro all-wheel drive, the A6 offered a compelling blend of luxury and performance, competing with established marques like BMW and Mercedes-Benz. Available with a range of engines, including the 1.8T, 2.8L V6, and the powerful 2.7L Bi-Turbo, this model also emphasized safety with standard anti-lock brakes and optional stability control, earning accolades such as Car and Driver's 10 Best list. Its design and features positioned it as a strong contender for discerning buyers seeking a sophisticated and capable large family car.

This manual covers the Audi A8 and S8 models from the D2 (Typ 4D) generation, produced between 1997 and 2003. These luxury sedans, available in standard and long wheelbase variants for the A8, and the performance-oriented S8, represented Audi's commitment to advanced engineering and sophisticated design. Featuring powerful V6 and V8 engine options, including a bi-turbo V8 for the S8, and the innovative Audi Space Frame construction, these vehicles offered a blend of comfort, performance, and cutting-edge technology for their era, competing with other premium marques.

The Audi RS2 Avant (Type 8C), produced from 1994 to 1995, represents a unique chapter in performance automotive history. Developed in collaboration with Porsche, this rare 'super-wagon' blended Audi's practicality with supercar-level performance, boasting a 2.2L turbocharged inline-five engine producing 315 horsepower and a 0-60 mph time under 5 seconds. Key features include the legendary Quattro all-wheel-drive system, a Porsche-tuned suspension and braking system with Brembo front calipers, and a distinctive aesthetic that set it apart. This model is celebrated as one of the fastest production wagons of its era and a significant homologation special.

The Audi Avant RS2, produced between 1994 and 1995, represents a pinnacle of performance and practicality, a collaboration with Porsche that resulted in a highly specialized station wagon. Built on the Audi 80 Avant (B4) platform and identified by chassis code PO, this iconic vehicle is powered by a 2.2-liter inline 5-cylinder turbocharged engine (ADU) producing 315 horsepower and 300 lb-ft of torque, coupled with Audi's legendary Quattro all-wheel-drive system and a 6-speed manual transmission. Its distinctive features, including 17-inch alloy wheels, advanced Bosch Motronic fuel injection, and a robust chassis, underscore its engineering prowess. The RS2 Avant was produced in limited numbers, approximately 2,891 units, and is renowned for its exceptional performance and collectibility, marking Audi's significant entry into the high-performance wagon market.

The Audi A4 (B5 platform), produced from 1995 to 2001, was a significant entry into the compact executive segment, renowned for its sophisticated European styling, comfortable and high-quality interior, and the availability of its signature quattro all-wheel-drive system. This generation, also identified by chassis designation Typ 8D, offered a range of refined powertrain options, including 1.8L turbocharged inline-4 and 2.6L/2.8L V6 engines, and was praised for its handling and ride comfort, earning a spot on Car and Driver's Ten Best list in 1997. Its understated design philosophy and engineering quality positioned it as a strong competitor against established luxury brands, providing a premium driving experience for its era.

The RS2 Avant, produced between 1994 and 1996 under the B4 (Typ 8C) generation, represents a unique collaboration with Porsche, enhancing the practical Audi estate with significant performance upgrades. Based on the Audi 80/90 platform, this limited-production model, with an estimated 6,600 units produced, features a potent 2.2L turbocharged inline 5-cylinder engine (ADU variant) modified by Porsche, delivering approximately 315 horsepower and 410 Nm of torque. Its engineering excellence is highlighted by a Porsche-tuned Garrett T3/T04 hybrid turbocharger, a Getrag G50-based 6-speed manual transmission shared with the Porsche 964, and a robust Quattro all-wheel-drive system. The RS2 Avant also boasts Porsche-specified Brembo brakes and a reinforced safety cell, solidifying its reputation as a high-performance, modern classic estate.

The 1993 Audi S4 (chassis code B4) represents a notable entry in the early 1990s European performance luxury sedan segment. Powered by a naturally aspirated 2.8-liter V6 engine (engine code ABV) producing 172 horsepower and 191 lb-ft of torque, this model was engineered for enthusiasts seeking a blend of everyday usability and spirited driving dynamics. A key feature is the standard Quattro all-wheel-drive system, enhancing traction and handling. Competing with vehicles like the BMW M3 (E36) and Mercedes-Benz 190E variants, the Audi S4 of this era is recognized for its performance focus and the brand's legacy of innovation.

The 2001 Audi S8 represents the pinnacle of performance and luxury within the D2 generation of Audi's flagship sedan. This model, produced in Germany, combines a potent 4.2-liter naturally aspirated V8 engine, delivering approximately 360 horsepower and 317 lb-ft of torque, with Audi's renowned quattro all-wheel-drive system. As a performance variant of the A8, the S8 emphasizes dynamic driving capabilities while maintaining the sophisticated comfort and advanced technology expected from a premium vehicle, placing it in direct competition with luxury sedans like the BMW 7 Series and Mercedes-Benz S-Class of the era. Its design and engineering reflect Audi's commitment to quality and innovation in the full-size luxury and performance sedan segment.

This manual covers the Audi TT, specifically the Mk2 (Type 8J) chassis, produced from 2006 to 2014, with a focus on the 2007 model year. The Audi TT is a premium compact sports car celebrated for its distinctive design, advanced engineering, and engaging driving dynamics. Available in Coupe and Roadster body styles, it offers a range of powerful engine options, including 4-cylinder TFSI (turbocharged direct injection) and 6-cylinder VR6 variants, paired with either front-wheel drive or the renowned all-wheel-drive system. The vehicle's platform is based on the Volkswagen Group A5, contributing to its robust construction and refined handling, making it a compelling choice for driving enthusiasts.

The Audi TT Coupe, first generation (Typ 8N), produced from 1998 to 2006, represents a significant entry in the premium compact sports coupe and convertible segment. Renowned for its iconic Bauhaus-inspired design and the availability of Audi's legendary quattro all-wheel-drive system, the TT offered a compelling blend of performance and distinctive style. This model was engineered with a focus on driving dynamics and featured engine variants including a 1.8L Turbo (4-cylinder, 5-valve) producing between 150-225 hp, and a more potent 3.2L V6 (4-valve) delivering approximately 250 hp. Its engineering quality and unique aesthetic made it a standout competitor against marques such as BMW, Porsche, and Mercedes-Benz.

The Audi TT Mk1, produced from 1999 to 2006, is a distinctive compact sports car recognized for its groundbreaking Bauhaus-inspired design and engaging performance. Available as a coupe or roadster, and often featuring the renowned Quattro all-wheel-drive system, the TT (chassis code 8N) offered a unique blend of style, engineering, and driving pleasure. Its clean lines and minimalist interior set it apart, while its turbocharged engines provided spirited acceleration, making it a standout in its class against competitors like the Porsche Boxster and BMW Z3. This generation of the TT is celebrated for its iconic design and a driving experience that balances sportiness with everyday usability.

This manual covers the Audi TT, a compact sports car produced from 1998 to 2006, including Coupe and Roadster body styles. Known for its iconic Bauhaus-inspired design and strong performance, the first-generation TT was built on a platform shared with the Volkswagen Golf Mk4 and offered both front-wheel drive and renowned all-wheel-drive system. Engine options included the 1.8T, with horsepower ranging from 178 to 222 hp, and a more powerful 2.7T biturbo engine producing 261 hp. The vehicle received numerous design awards and was recognized on a 'Ten Best' list in 2000, solidifying its status as a distinctive and engaging sports car.