2009 Audi S3 Service and Repair Manual

This 2009 Audi S3 Service and Repair Manual Covers

Engine & Drivetrain

• 2.0L Turbocharged TFSI (EA113) engine
• Bosch MED engine management system diagnostics
• Turbocharger inspection and servicing
• Fuel injection and ignition system repairs
• High-pressure fuel system diagnostics
• Engine cooling and lubrication system servicing
• Exhaust and emissions control system repairs
• 6-speed manual transmission servicing
• 6-speed S tronic dual-clutch transmission diagnostics and repair (where equipped)
• quattro permanent all-wheel drive system with Haldex Generation IV coupling
• Front and rear differential servicing
• Driveshaft and axle repairs

Chassis & Suspension

• S Sport suspension diagnostics
• Audi Magnetic Ride servicing (where equipped)
• Steering system diagnostics and repair
• Wheel alignment specifications
• Suspension component inspection and replacement
• Wheel bearing servicing

Braking Systems

• High-performance braking system
• Anti-lock Braking System (ABS)
• Electronic Stability Control (ESC)
• Electronic Brakeforce Distribution (EBD)
• Brake Assist diagnostics
• Brake hydraulic system servicing

Electrical & Wiring

• Complete factory wiring diagrams
• CAN Bus diagnostics
• Charging and starting system diagnostics
• Body Control Module (BCM)
• Power distribution, fuse, and relay assignments
• Driver Information System (DIS)
• Audi Concert, Symphony, and Navigation Plus system diagnostics (where equipped)
• Exterior and interior lighting diagnostics

Air Conditioning & HVAC

• Dual-zone automatic climate control diagnostics
• HVAC control module servicing
• Refrigerant recovery and recharge procedures
• Heating and ventilation system repairs

Body & Interior

• Remote central locking diagnostics
• Power window and mirror diagnostics
• Power seat adjustment systems (where equipped)
• Interior trim removal and installation
• Exterior body repair procedures
• Airbag (SRS) system diagnostics

Diagnostics & Troubleshooting

• Audi ODIS and VAS diagnostic procedures
• Guided Fault Finding (GFF)
• Diagnostic Trouble Code (DTC) troubleshooting
• Control module coding and adaptations
• Component testing procedures
• Service interval reset procedures

Common Error Codes Covered

This manual provides diagnostic and repair procedures for common Audi manufacturer-specific fault codes, including:

Engine Codes

• P0011 – Intake Camshaft Timing Over-Advanced
• P0087 – Fuel Rail/System Pressure Too Low
• P0299 – Turbocharger Underboost
• P0300 – Random/Multiple Cylinder Misfire
• P2261 – Turbocharger Diverter Valve Mechanical Malfunction

Transmission Codes

• P0726 – Engine Speed Input Circuit Performance
• P1815 – Clutch Actuator Performance
• P17BF – Transmission Control Module Malfunction (S tronic models)

ABS & Chassis Codes

• C102D – Wheel Speed Sensor Fault
• C1046 – Steering Angle Sensor Calibration Required
• C1146 – Brake Pressure Sensor Fault

Network Communication Codes

• U0100 – Lost Communication With Engine Control Module
• U1113 – Function Restriction Due to Communication Fault
• U1121 – Missing Message on Data Bus

Body Control Codes

• B2000 – Body Control Module Internal Fault
• B11CF – Driver Door Control Module Communication Fault
• B126A – Central Locking System Fault

The manual also includes hundreds of additional Audi-specific diagnostic trouble codes, guided diagnostic routines, wiring diagrams, module coding procedures, and factory repair instructions.

Who Is This Manual For?

• Audi dealership technicians
• Independent European vehicle repair workshops
• Performance vehicle specialists
• Automotive technicians
• Fleet maintenance professionals
• Experienced DIY mechanics

If you are servicing, maintaining, diagnosing, or repairing a 2009 Audi S3, this factory workshop manual provides the complete procedures and technical information required to perform repairs to Audi factory standards.