This comprehensive PDF file is the official Volkswagen/Audi Group Self-Study Program (SSP 323) covering the vehicle introduction of the 2005 Audi A6 (C6 generation). Unlike a standard owner’s manual or a step-by-step repair guide, VAG Self-Study Programs are internal training materials designed to educate dealership technicians and engineering staff on the complex architecture and operational logic of entirely new vehicle platforms. The introduction of the C6 generation marked a significant leap forward in Audi’s integration of advanced electronics, luxury features, and safety systems, making this overview workbook a crucial starting point for technical mastery.
This technical manual serves as the primary introduction to the vehicle, covering the following key engineering topics:
- Vehicle Overview and Packaging: A general introduction to the new dimensions, styling cues, and overall architecture of the C6 A6.
- Body Technology and Materials: An in-depth look at the construction of the vehicle’s shell. It details the use of high-strength steels, tailored blanks, and new joining techniques designed to significantly increase torsional rigidity while managing weight, which is critical for both handling and crash safety.
- Passenger Protection (Safety Systems): A highly technical breakdown of the active and passive safety networks. It explains the logic and sensor integration for the advanced airbag system (including dual-stage front airbags and side curtains), active head restraints, and the seatbelt tensioning systems.
- Climate Control (Air Conditioning): Comprehensive diagrams and operational logic for the sophisticated, multi-zone automatic climate control system. It details how the HVAC control module interfaces with various sensors (sunlight, humidity, air quality) and the vehicle’s CAN bus network to maintain precise cabin temperatures.
Whether you are a professional VAG technician needing to understand the CAN bus integration of the climate control module, an automotive engineering student studying modern safety system deployment logic, or an advanced DIY enthusiast wanting a deeper understanding of your C6 A6’s foundational engineering, this Self-Study Program is an invaluable resource.
(Note: As indicated by VAG training standards, this workbook teaches design and function and is not updated after publication. For exact maintenance procedures and torque specs, technicians must refer to current workshop literature. For details on the A6’s engines, transmissions, or MMI system, refer to the other specific SSPs in the A6 ’05 series.)
CONTENTS
- Chapter 1 Introduction
- Product highlights
- Dimensions.
- Chaper 2 Body
- Body shell / connection technology
- Materials
- Blanks
- Assemblies
- Bumpers
- Trailer coupling
- Chapter 3 Passenger protection
- Safety system
- Airbag control unit J234
- Data exchange
- Sensors
- Belt warning
- Airbag
- Airbag disabling key switch, front passenger side E224
- Seat belts and belt tensioners N153 and N154
- Active head restraints
- Battery cut-off relay J655
- Seat occupied recognition, not for USA
- Seat occupied recognition for USA market
- Seat occupied recognition control unit J706
- Chapter 4 Diagnosis
- VAS 5053
- VAS 5051
- VAS 5053/20
- Recording the working time using the VAS 5051 / 5052
- Chapter 5 Engine / Gearbox
- Overview of available engine / gearbox combinations
- Chapter 6 Chassis
- Overview
- Front axle
- Rear axle
- Wheel brake
- ESP
- Electromechanical parking brake – EPB
- Steering system
- Wheels / tires
- Tire pressure control system
- Chapter 7 Electrics
- Bus topology
- In/outputs on control units J393, J519 and J520
- Chapter 8 Air conditioning
- Overview
- Convenience automatic air conditioning and convenience automatic air conditioning plus
- CAN networking
- Components in the Audi A6 ´05 air conditioning unit
- Replacing components
- Control motor versions
- In/output signals at Climatronic control unit J255
- Additional electric air heater
- Auxiliary / additional heating
- Air conditioning diagnosis
- Special tools for the Audi A6´05 air conditioning system
The Self-Study Programme provides information on the fundamentals of the design and function of new vehicle models, new vehicle components or new technologies.
The Self-Study Programme is not a Workshop Manual!
Specified values serve only to make the information easier to understand and relate to the software version that was valid at the time the Self-Study Programme (SSP) was created.
For maintenance and repair work, please make sure to use the current technical documentation.
Language: English
Format: PDF
Pages: 76
