Vehicle Class:
Executive Sedan
Key Competitors:
BMW 5 Series, Mercedes-Benz E-Class, Lexus GS, Cadillac CTS
Platform Emphasis:
Represents Audi's focus on technology, comfort, and performance in the luxury segment.
Manual Advantage:
Provides professional-grade electrical repair information, crucial for complex modern vehicles.
Primary Focus:
Electrical Systems and Diagnostics
Scope:
Comprehensive Official Factory Service Repair Manual
Estimated Pages:
Varies by specific version, typically extensive for electrical.
Type:
Full Service Repair Manual
Electrical Distribution:
Detailed coverage including fuse box layouts, relays, and power distribution.
Wiring Diagrams:
Comprehensive and detailed wiring schematics for all vehicle systems.
Battery Charging Systems:
Includes diagnosis and repair of battery, alternator, and starter.
Lighting Systems:
Exterior and interior lighting, including headlamps, taillamps, and cabin illumination.
Instrumentation Warnings:
Diagnosis and repair of dashboard instruments, warning lights, and sensor systems.
Audio Systems:
Wiring and troubleshooting for factory audio components.
Climate Control:
Electrical components and control systems for HVAC.
Engine Management:
Electrical aspects of engine control units (ECU), sensors, and actuators.
Transmission Control:
Electrical aspects of automatic transmission control units and sensors.
Braking Systems:
Electrical components of ABS, ESP, and brake assist systems.
Suspension Steering:
Electrical components related to adaptive suspension and power steering systems (if equipped).
Body Frame Mounting:
Electrical interfaces and component locations within the body structure.
Troubleshooting:
Systematic diagnostic procedures for electrical faults.
Repair:
Step-by-step repair instructions for electrical components and circuits.
Component Testing:
Procedures for testing the functionality of various electrical parts.
Wiring Harness Repair:
Guidance on repairing or replacing damaged wiring harnesses.
Connector Service:
Information on electrical connector removal, inspection, and repair.
Module Replacement Coding:
General guidance or references for module replacement and programming (often requires specialized tools).
Depth:
Professional Level - Suitable for DIY enthusiasts and professional technicians.
Detail Level:
Detailed substeps, notes, cautions, and warnings for critical information.
Illustration Quality:
Detailed illustrations, drawings, and photos with enlarged insets for clarity.
Engine Options:
Commonly included: 3.0L V6 TFSI Supercharged, 4.2L V8 FSI, 2.0L TFSI I4 (less common in some markets for this year).
Horsepower Torque:
Varies by engine, e.g., 3.0 TFSI: ~255 hp, 310 lb-ft; 4.2 FSI: ~335 hp, 317 lb-ft.
Fuel Delivery:
Fuel injection (FSI - Fuel Stratified Injection for naturally aspirated engines, TFSI for supercharged/turbocharged).
ECU Communication:
CAN bus architecture for engine control and diagnostics.
Type:
Tiptronic Automatic Transmission (often 6-speed, e.g., 09L/09G variants for FWD/Quattro).
Manual Transmission:
Limited availability, primarily on specific 2.0 TFSI models.
Drive Layout:
Front-wheel drive (FWD) or quattro permanent all-wheel drive.
Transmission Control Module:
Mechatronic unit integrated with the transmission, communicates via CAN bus.
Length:
Approx. 4916 mm (193.5 in)
Width:
Approx. 1855 mm (73.0 in)
Height:
Approx. 1458 mm (57.4 in)
Curb Weight:
Varies by engine and drivetrain, typically 1600-1800 kg (3527-3968 lbs).
NHTSA Front Crash:
5-Star (for models tested)
IIHS Frontal Offset:
Good (for models tested)
ABS:
Standard Anti-lock Braking System.
Esp:
Standard Electronic Stability Program (ESP) with traction control.
Airbags:
Front, side, and curtain airbags.
Mmi System:
Multi Media Interface system for navigation, audio, climate, and vehicle settings.
Adaptive Cruise Control:
Optional adaptive cruise control (ACC) available.
Parking Sensors:
Front and rear parking sensors (Audi parking system).
Bluetooth:
Optional Bluetooth connectivity for hands-free calling.
Oil Change Interval:
Typically 10,000 miles or 1 year, whichever comes first, depending on oil type used (e.g., synthetic).
Timing Belt Chain:
Chain-driven engines do not require regular timing belt replacement. Belt-driven engines (if applicable) typically around 70-100k miles.
Engine Oil:
Refer to manual for specific viscosity and API/ACEA ratings (e.g., SAE 5W-30, VW 502 00 / 505 00).
Coolant:
G12 Plus or G13 coolant (ethylene glycol based).
Transmission Fluid:
Specific ATF for the automatic transmission, often a synthetic type approved by ZF or Audi.
Electrical Gremlins:
Common for many complex European vehicles of this era; manual is key for diagnosis. Issues can include MMI system glitches, window regulators, sensor failures.
Coil Packs Spark Plugs:
Potential for premature failure, especially on early TFSI engines.
Oil Leaks:
Valve cover gaskets, oil cooler seals can be prone to leaks over time.
Audi Legacy:
Audi has a long history of producing sophisticated and technologically advanced luxury vehicles.
A6 Lineage:
The A6 is the successor to the Audi 100, representing Audi's mid-size executive offering.
C6 Generation:
The C6 generation (2005-2011) introduced significant styling updates, advanced technology, and new powertrains.
