2009 Audi A5 Cabriolet Service and Repair Manual

This 2009 Audi A5 Cabriolet Service and Repair Manual Covers

Engine & Drivetrain

• 1.8L TFSI turbocharged petrol engine service and repair (selected markets)
• 2.0L TFSI turbocharged petrol engine servicing
• 3.2L FSI V6 petrol engine repair procedures
• 2.0L TDI turbo diesel engine servicing
• 2.7L TDI V6 diesel engine servicing (selected markets)
• 3.0L TDI V6 diesel engine repair procedures
• Fuel injection and turbocharger diagnostics
• Engine cooling system servicing
• Engine lubrication system repairs
• Exhaust and emissions control system diagnostics
• 6-speed manual transmission servicing
• Multitronic CVT servicing (front-wheel-drive models)
• 7-speed S tronic dual-clutch transmission diagnostics and repair
• 6-speed Tiptronic automatic transmission servicing (selected quattro models)
• quattro permanent all-wheel drive system servicing
• Torsen centre differential, propeller shaft, rear differential, and CV joint repairs

Braking Systems

• Hydraulic brake system servicing
• Anti-lock Braking System (ABS) diagnostics
• Electronic Stability Program (ESP) diagnostics
• Electronic Parking Brake (EPB) servicing
• Brake Assist system diagnostics
• Brake pad, brake disc, and caliper replacement procedures
• Brake hydraulic system bleeding

Chassis & Suspension

• Front five-link suspension repairs
• Rear trapezoidal-link suspension servicing
• Cabriolet chassis reinforcement inspection
• Standard and Sport suspension servicing
• Audi Drive Select diagnostics (where equipped)
• Wheel alignment specifications
• Wheel bearing replacement procedures
• Suspension component inspection and troubleshooting

Electrical & Wiring

• Complete factory wiring diagrams
• Battery, charging, and starting system diagnostics
• CAN Bus, LIN Bus, and MOST network diagnostics
• Gateway control module diagnostics
• Body Control Module (BCM) diagnostics
• Instrument cluster diagnostics
• Audi MMI 3G Navigation diagnostics (where equipped)
• Bluetooth®, Audi Music Interface (AMI), CD changer, and multimedia diagnostics
• Bi-Xenon headlamp diagnostics (where equipped)
• Convertible roof control module diagnostics

Air Conditioning & HVAC

• Single, dual-zone, and three-zone automatic climate control diagnostics (model dependent)
• Air conditioning compressor servicing
• Refrigerant recovery and recharge procedures
• HVAC control module diagnostics
• Heating and ventilation system repairs

Body & Interior

• Interior trim removal and installation
• Dashboard servicing procedures
• Electro-hydraulic soft-top roof diagnostics and repair
• Convertible roof hydraulic pump servicing
• Roof latch and microswitch adjustment
• Door glass alignment procedures
• Power window and central locking repairs
• Exterior lighting system servicing
• Airbag and occupant restraint system diagnostics
• Roll-over protection system servicing
• Electrically adjustable, heated, and memory seat repairs (where equipped)
• Body panel alignment and repair information

Driver Assistance Systems

Available features vary by market and trim level.

• Adaptive Cruise Control diagnostics (where equipped)
• Audi Side Assist (Blind Spot Monitoring) diagnostics (where equipped)
• Audi Lane Assist diagnostics (where equipped)
• Parking System Plus diagnostics
• Rear-view camera diagnostics (where equipped)
• Front and rear parking sensor diagnostics
• Adaptive headlight system diagnostics (where equipped)
• Steering angle sensor calibration

Diagnostics & Troubleshooting

• VAS factory diagnostic procedures
• Guided fault-finding routines
• Diagnostic Trouble Code (DTC) lookup procedures
• ECU coding and adaptation procedures
• Control module programming support
• Sensor and actuator testing
• Step-by-step troubleshooting workflows

Common Error Codes Covered

This manual includes diagnostic procedures for common Audi fault codes applicable to the 2009 Audi A5 Cabriolet.

Engine Codes

• P0087 – Fuel Rail/System Pressure Too Low
• P0171 – System Too Lean (Bank 1)
• P0299 – Turbocharger Underboost Condition
• P0300 – Random/Multiple Cylinder Misfire Detected
• P0401 – Exhaust Gas Recirculation Flow Insufficient Detected (diesel models)

Transmission Codes

• P0726 – Engine Speed Input Circuit Range/Performance
• P0730 – Incorrect Gear Ratio
• P17BF – S tronic Hydraulic Pump Protection Fault

ABS & Chassis Codes

• C0031 – Left Front Wheel Speed Sensor Fault
• C1146 – Steering Angle Sensor Calibration Fault
• C10AC – Electronic Parking Brake Malfunction

Network Communication Codes

• U0100 – Lost Communication with Engine Control Module
• U0155 – Lost Communication with Instrument Cluster

Body Control Codes

• B1291 – Convertible Top Position Sensor Fault
• B2000 – Control Module Internal Malfunction
• B1263 – Rain and Light Sensor Fault

The manual also includes hundreds of manufacturer-specific diagnostic trouble codes, factory wiring diagrams, ECU coding procedures, convertible roof diagnostics, component testing specifications, guided diagnostics, and repair instructions.

Who Is This Manual For?

• Professional automotive workshops
• Audi dealership technicians
• Independent repair garages
• Mobile mechanics
• Automotive engineering students
• DIY enthusiasts

If you are servicing, maintaining, diagnosing, or repairing a 2009 Audi A5 Cabriolet, this factory workshop manual provides the detailed repair procedures, wiring diagrams, technical specifications, diagnostic information, and convertible roof service procedures required to maintain the vehicle to Audi factory standards.