Repair and Diagnosis
You are viewing the "split tree" of links. The tree is cut off at a certain depth to keep the page loading fast, but you may have to click multiple links to get to the content you want.View "full tree" with all links on one page (will load slowly, but easier to use ctrl-f to search all pages)
Quick Lookups
Common Specs & Procedures
DTC Index
Electrical Component Locations
Fluids
Technical Bulletins
Tire Fitment
Wiring Diagrams
- OEM Wiring Diagrams 2.9L Gasoline Engine , DECA
- OEM Wiring Diagrams 48 V System , (0K4),(VH2)
- OEM Wiring Diagrams A/C System , (9AK)
- OEM Wiring Diagrams A/C System , (9AQ)
- OEM Wiring Diagrams Access And Start Authorization
- OEM Wiring Diagrams Access And Start Authorization , (2F0)
- OEM Wiring Diagrams Access And Start Authorization , (2F1)
- OEM Wiring Diagrams Adaptive Cruise Control , (8T3),(8T8)
- OEM Wiring Diagrams Airbag Systems (USA)
- OEM Wiring Diagrams All-Wheel Drive , (GH2)
- OEM Wiring Diagrams Anti-Lock Brake System (Abs)
- OEM Wiring Diagrams Automatic Transmission , (G1G)
- OEM Wiring Diagrams Battery, Starter And Generator , (0K4),(VH2)
- OEM Wiring Diagrams Communication
- OEM Wiring Diagrams Convenience System , (L0L)
- OEM Wiring Diagrams Data Bus On Board Diagnostic Interface And Diagnostic Link Connector (DLC)
- OEM Wiring Diagrams Fuse Positions
- OEM Wiring Diagrams Headlamp , (8EX)
- OEM Wiring Diagrams Headlamp , (8IY)
- OEM Wiring Diagrams Heater , (9AC)
- OEM Wiring Diagrams Instrument Cluster , (9S5),(9S7)
- OEM Wiring Diagrams Instrument Cluster , (9S8),(9S9)
- OEM Wiring Diagrams Lane Change Assistance , (7Y1)
- OEM Wiring Diagrams MMI (Information Electronics 1)
- OEM Wiring Diagrams MULTIFUNCTION Steering Wheel
- OEM Wiring Diagrams Parking Aid, Front And Rear , (7X2)
- OEM Wiring Diagrams Parking Aid, Rear , (7X1)
- OEM Wiring Diagrams Parking Distance Control With Parallel Parking Assistance (Park Assist) , (7X5)
- OEM Wiring Diagrams Power Rear Lid
- OEM Wiring Diagrams Power Steering, Electromechanical , (1N8),(QZ7),(L0L)
- OEM Wiring Diagrams Seat And Mirrors Memory , (3L4)
- OEM Wiring Diagrams Seat Heating , (4A3),(4A4)
- OEM Wiring Diagrams Seat Ventilation , (4D3),(L0L)
- OEM Wiring Diagrams Seats Adjustment, Front Only , (3L4),(3PH),(7P1),(7P7)
- OEM Wiring Diagrams Seats Adjustment, Front Only , (3L4),(8I6),(Q1A),(Q1D),(Q4Q)
- OEM Wiring Diagrams Seats Adjustment, Front Only , (3L5),(7P1),(7P7)
- OEM Wiring Diagrams Seats Adjustment, Front Only , (3L5),(8I6),(Q1A),(Q1D),(Q4Q)
- OEM Wiring Diagrams Sound System , (8RM),(9VD)
- OEM Wiring Diagrams Sound System , (9VS)
- OEM Wiring Diagrams Standard Equipment , (L0L)
- OEM Wiring Diagrams Sunroof, Open Sky System , (3FB),(3FE),(3FU)
- OEM Wiring Diagrams TV Tuner , (QU1),(QV1)
- OEM Wiring Diagrams USB Connections For Data Transfer
- OEM Wiring Diagrams Windshield Defogger , (0K0),(0K4),(4GR),(4GY)
- System Wiring Diagrams
- Using lemon2025'S System Wiring Diagrams
- Wires
- Wiring
- Accessories & Equipment
- Body & Frame
- Brakes
- Drivelines & Axles
- Electrical
- Body Electrical
- Charging Systems
- RS 5 SPORTBACK - Component Locations
- Fuses & Circuit Breakers
- Gauges
- Motors, Switches, Relays
- Wiring Diagrams
- OEM Wiring Diagrams 2.9L Gasoline Engine , DECA
- OEM Wiring Diagrams 48 V System , (0K4),(VH2)
- OEM Wiring Diagrams A/C System , (9AK)
- OEM Wiring Diagrams A/C System , (9AQ)
- OEM Wiring Diagrams Access And Start Authorization
- OEM Wiring Diagrams Access And Start Authorization , (2F0)
- OEM Wiring Diagrams Access And Start Authorization , (2F1)
- OEM Wiring Diagrams Adaptive Cruise Control , (8T3),(8T8)
- OEM Wiring Diagrams Airbag Systems (USA)
- OEM Wiring Diagrams All-Wheel Drive , (GH2)
- OEM Wiring Diagrams Anti-Lock Brake System (Abs)
- OEM Wiring Diagrams Automatic Transmission , (G1G)
- OEM Wiring Diagrams Battery, Starter And Generator , (0K4),(VH2)
- OEM Wiring Diagrams Communication
- OEM Wiring Diagrams Convenience System , (L0L)
- OEM Wiring Diagrams Data Bus On Board Diagnostic Interface And Diagnostic Link Connector (DLC)
- OEM Wiring Diagrams Fuse Positions
- OEM Wiring Diagrams Headlamp , (8EX)
- OEM Wiring Diagrams Headlamp , (8IY)
- OEM Wiring Diagrams Heater , (9AC)
- OEM Wiring Diagrams Instrument Cluster , (9S5),(9S7)
- OEM Wiring Diagrams Instrument Cluster , (9S8),(9S9)
- OEM Wiring Diagrams Lane Change Assistance , (7Y1)
- OEM Wiring Diagrams MMI (Information Electronics 1)
- OEM Wiring Diagrams MULTIFUNCTION Steering Wheel
- OEM Wiring Diagrams Parking Aid, Front And Rear , (7X2)
- OEM Wiring Diagrams Parking Aid, Rear , (7X1)
- OEM Wiring Diagrams Parking Distance Control With Parallel Parking Assistance (Park Assist) , (7X5)
- OEM Wiring Diagrams Power Rear Lid
- OEM Wiring Diagrams Power Steering, Electromechanical , (1N8),(QZ7),(L0L)
- OEM Wiring Diagrams Seat And Mirrors Memory , (3L4)
- OEM Wiring Diagrams Seat Heating , (4A3),(4A4)
- OEM Wiring Diagrams Seat Ventilation , (4D3),(L0L)
- OEM Wiring Diagrams Seats Adjustment, Front Only , (3L4),(3PH),(7P1),(7P7)
- OEM Wiring Diagrams Seats Adjustment, Front Only , (3L4),(8I6),(Q1A),(Q1D),(Q4Q)
- OEM Wiring Diagrams Seats Adjustment, Front Only , (3L5),(7P1),(7P7)
- OEM Wiring Diagrams Seats Adjustment, Front Only , (3L5),(8I6),(Q1A),(Q1D),(Q4Q)
- OEM Wiring Diagrams Sound System , (8RM),(9VD)
- OEM Wiring Diagrams Sound System , (9VS)
- OEM Wiring Diagrams Standard Equipment , (L0L)
- OEM Wiring Diagrams Sunroof, Open Sky System , (3FB),(3FE),(3FU)
- OEM Wiring Diagrams TV Tuner , (QU1),(QV1)
- OEM Wiring Diagrams USB Connections For Data Transfer
- OEM Wiring Diagrams Windshield Defogger , (0K0),(0K4),(4GR),(4GY)
- System Wiring Diagrams
- Using lemon2025'S System Wiring Diagrams
- Wires
- Wiring
- Engine Mechanical
- Auxiliary Emission Control Systems
- Blowers, Superchargers & Turbochargers
- Cooling System (Mechanical)
- Exhaust
- Fuel System
- Fuel Supply
- Fuel Supply (Using The Evaporative Emissions Tester)
- General, Technical Data (6-Cylinder Direct Fuel Injection 2.9L; 3.0L 4V TFSI Engine Ea 839)
- General, Technical Data (Fuel Supply System)
- General, Technical Data (Servicing - 6-Cylinder 2.9L; 3.0L 4V TFSI Ea839 Engine)
- MULTIPORT Fuel Injection (6-Cylinder Direct Fuel Injection 2.9L; 3.0L 4V TFSI Engine Ea 839)
- MULTIPORT Fuel Injection (Servicing - 6-Cylinder 2.9L; 3.0L 4V TFSI Ea839 Engine)
- Lubrication System
- General, Technical Data (6-Cylinder Direct Fuel Injection 2.9L; 3.0L 4V TFSI Engine Ea 839)
- General, Technical Data (Oil Gauge Tester T40178 Service Values)
- General, Technical Data (Servicing - 6-Cylinder 2.9L; 3.0L 4V TFSI Ea839 Engine)
- Lubrication (6-Cylinder Direct Fuel Injection 2.9L; 3.0L 4V TFSI Engine Ea 839)
- Lubrication (Servicing - 6-Cylinder 2.9L; 3.0L 4V TFSI Ea839 Engine)
- Mechanical
- Crankshaft, Cylinder Block (6-Cylinder Direct Fuel Injection 2.9L; 3.0L 4V TFSI Engine Ea 839)
- Crankshaft, Cylinder Block (Servicing - 6-Cylinder 2.9L; 3.0L 4V TFSI Ea839 Engine)
- Cylinder Head, VALVETRAIN (6-Cylinder Direct Fuel Injection 2.9L; 3.0L 4V TFSI Engine Ea 839)
- Cylinder Head, VALVETRAIN (Servicing - 6-Cylinder 2.9L; 3.0L 4V TFSI Ea839 Engine)
- Engine Assembly (6-Cylinder Direct Fuel Injection 2.9L; 3.0L 4V TFSI Engine Ea 839)
- Engine Assembly (Servicing - 6-Cylinder 2.9L; 3.0L 4V TFSI Ea839 Engine)
- General Information
- General, Technical Data (6-Cylinder Direct Fuel Injection 2.9L; 3.0L 4V TFSI Engine Ea 839)
- General, Technical Data (Oil Gauge Tester T40178 Service Values)
- General, Technical Data (Servicing - 6-Cylinder 2.9L; 3.0L 4V TFSI Ea839 Engine)
- Engine Performance
- Emissions
- Engine Control Systems
- ENERIC Scan Tool (CWGD, DECA) - Engine DTC Tables (P0420 - P0058)
- Generic Scan Tool (CWGD, DECA) - Engine DTC Tables (P0087 - P0562)
- Generic Scan Tool (CWGD, DECA) - Engine DTC Tables (P2279 - P2635)
- Generic Scan Tool (CWGD, DECA) (Brake System - Gateway Module DTCS)
- Generic Scan Tool (CWGD, DECA) (Engine - Belt Starter Control Module DTCS)
- Generic Scan Tool (CWGD, DECA) (Transmission DTC Tables - Belt Starter Generator Control Module DTC Tables)
- Generic Scan Tool (CWGD, DECA) General Information - Diagnostic Modes)
- Generic Scan Tool (CWGD,DECA) - Engine DTC Tables (P0204 - P0562) & Transmission DTC Tables
- Generic Scan Tool (CWGD,DECA) - Engine DTC Tables (P0420 - P0203)
- Generic Scan Tool (CWGD/DECA) (General Information - Diagnostic Modes)
- Fuel Delivery
- Fuel Supply
- Fuel Supply (Using The Evaporative Emissions Tester)
- General, Technical Data (6-Cylinder Direct Fuel Injection 2.9L; 3.0L 4V TFSI Engine Ea 839)
- General, Technical Data (Fuel Supply System)
- General, Technical Data (Servicing - 6-Cylinder 2.9L; 3.0L 4V TFSI Ea839 Engine)
- MULTIPORT Fuel Injection (6-Cylinder Direct Fuel Injection 2.9L; 3.0L 4V TFSI Engine Ea 839)
- MULTIPORT Fuel Injection (Servicing - 6-Cylinder 2.9L; 3.0L 4V TFSI Ea839 Engine)
- Ignition System
- General, Technical Data (6-Cylinder Direct Fuel Injection 2.9L; 3.0L 4V TFSI Engine Ea 839)
- General, Technical Data (Servicing - 6-Cylinder 2.9L; 3.0L 4V TFSI Ea839 Engine)
- Ignition/Glow Plug System (6-Cylinder Direct Fuel Injection 2.9L; 3.0L 4V TFSI Engine Ea 839)
- Ignition/Glow Plug System (Servicing - 6-Cylinder 2.9L; 3.0L 4V TFSI Ea839 Engine)
- Specifications
- System
- ENERIC Scan Tool (CWGD, DECA) - Engine DTC Tables (P0420 - P0058)
- Generic Scan Tool (CWGD, DECA) - Engine DTC Tables (P0087 - P0562)
- Generic Scan Tool (CWGD, DECA) - Engine DTC Tables (P2279 - P2635)
- Generic Scan Tool (CWGD, DECA) (Brake System - Gateway Module DTCS)
- Generic Scan Tool (CWGD, DECA) (Engine - Belt Starter Control Module DTCS)
- Generic Scan Tool (CWGD, DECA) (Transmission DTC Tables - Belt Starter Generator Control Module DTC Tables)
- Generic Scan Tool (CWGD, DECA) General Information - Diagnostic Modes)
- Generic Scan Tool (CWGD,DECA) - Engine DTC Tables (P0204 - P0562) & Transmission DTC Tables
- Generic Scan Tool (CWGD,DECA) - Engine DTC Tables (P0420 - P0203)
- Generic Scan Tool (CWGD/DECA) (General Information - Diagnostic Modes)
- Testing & Diagnosis
- ENERIC Scan Tool (CWGD, DECA) - Engine DTC Tables (P0420 - P0058)
- Generic Scan Tool (CWGD, DECA) - Engine DTC Tables (P0087 - P0562)
- Generic Scan Tool (CWGD, DECA) - Engine DTC Tables (P2279 - P2635)
- Generic Scan Tool (CWGD, DECA) (Brake System - Gateway Module DTCS)
- Generic Scan Tool (CWGD, DECA) (Engine - Belt Starter Control Module DTCS)
- Generic Scan Tool (CWGD, DECA) (Transmission DTC Tables - Belt Starter Generator Control Module DTC Tables)
- Generic Scan Tool (CWGD, DECA) General Information - Diagnostic Modes)
- Generic Scan Tool (CWGD,DECA) - Engine DTC Tables (P0204 - P0562) & Transmission DTC Tables
- Generic Scan Tool (CWGD,DECA) - Engine DTC Tables (P0420 - P0203)
- Generic Scan Tool (CWGD/DECA) (General Information - Diagnostic Modes)
- Tune-Up
- General, Technical Data (6-Cylinder Direct Fuel Injection 2.9L; 3.0L 4V TFSI Engine Ea 839)
- General, Technical Data (Servicing - 6-Cylinder 2.9L; 3.0L 4V TFSI Ea839 Engine)
- Ignition/Glow Plug System (6-Cylinder Direct Fuel Injection 2.9L; 3.0L 4V TFSI Engine Ea 839)
- Ignition/Glow Plug System (Servicing - 6-Cylinder 2.9L; 3.0L 4V TFSI Ea839 Engine)
- General Information
- Abbreviations
- Basic Trouble Shooting
- Brakes
- Check Lists
- Driveline/Axles
- DTC Index
- Electrical
- Engine
- Engine Performance
- Electrostatic Discharge Warning - General Information
- Engine Performance Diagnostic Routine Outline - General Information
- Engine Performance Safety Precautions
- Map - Engine Performance & Maintenance
- Parasitic Load Explanation & Test Procedures - General Information
- State Emission Standards - Diesel
- State Emission Standards - Gas
- Waveforms - Injector Pattern Tutorial - General Information
- Map - Exhaust Systems
- Heating, Ventilation & A/C (HVAC)
- Identification
- Metric Conversions
- OEM General Information
- Maintenance Reminder Light (Reset Procedures)
- Restraints
- Specifications Index
- Steering
- Traction Control Disable Procedures
- Trouble Shooting - Manual Transmission - General Information
- Heating, Ventilation & A/C (HVAC)
- A/C Compressor
- General Servicing
- HVAC Control Systems
- Air Conditioning (A/C Compressor - Display Control Head)
- Air Conditioning (A/C System - Refrigerant Circuit)
- Air Conditioning (Refrigerant R1234YF Servicing - Charging)
- Air Conditioning (Refrigerant R1234YF Servicing - Refrigerant Circuit)
- Air Conditioning (Refrigerant R134A Servicing - Capacities)
- Air Conditioning (Refrigerant R134A Servicing - General Information)
- Air Conditioning (Refrigerant R134A Servicing - Pressure Checking)
- Air Conditioning (Refrigerant R134A Servicing Tools & Equipment)
- General, Technical Data (Heating, Ventilation And Air Conditioning)
- General, Technical Data (Refrigerant R1234YF Servicing)
- Heating, Ventilation
- Hybrid/Electric Powertrain
- Maintenance
- Restraints
- Steering
- Suspension
- Transmission
- Automatic Trans
- Controls, Housing (8-Speed Automatic Transmission 0D5)
- Gears, Hydraulic Controls (8-Speed Automatic Transmission 0D5)
- General, Technical Data (8-Speed Automatic Transmission 0D5)
- General, Technical Data (Servicing - 7-Speed Dual Clutch Transmission 0CJ, 0CL, 0CK, 0DK, 0DN, 0DP, 0HL)
- General, Technical Data (Servicing - 8-Speed Automatic Transmission)
- Torque Converter (8-Speed Automatic Transmission 0D5)
- Torque Converter (Servicing - 8-Speed Automatic Transmission)
- Manual Trans
- Transmission Control Systems
- Automatic Trans
- External Pages