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 12 V Sockets
- OEM Wiring Diagrams 3.0L Gasoline Engine , DCBD
- OEM Wiring Diagrams 48 V System , (VH2),(VH3)
- OEM Wiring Diagrams A/C System , (9AD)
- OEM Wiring Diagrams A/C System , (9AE)
- OEM Wiring Diagrams A/C System , (9AQ)
- OEM Wiring Diagrams A/C System , (9AU)
- OEM Wiring Diagrams A/C System , (KH5)
- 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 Adaptive Cruise Control , (8T4),(8T5)
- OEM Wiring Diagrams Airbag Systems (USA) , (4UB)
- OEM Wiring Diagrams All-Wheel Drive , (GH2)
- OEM Wiring Diagrams Anti-Theft Alarm System
- OEM Wiring Diagrams Assistance Systems , (JX1)
- OEM Wiring Diagrams Automatic Dimming Interior Rearview Mirror
- OEM Wiring Diagrams Automatic Transmission , (Fm0)
- OEM Wiring Diagrams Automatic Transmission , (FN0)
- OEM Wiring Diagrams Brake System
- OEM Wiring Diagrams Cd Changer , (7D5)
- OEM Wiring Diagrams Cell Phone System , (9ZE),(9ZV),(9ZX)
- OEM Wiring Diagrams Center Console Switch
- OEM WIRING DIAGRAMS COMMUNICATION , (0K3),(B1P) From 2020
- OEM Wiring Diagrams Communication , (IV1),(IV2),(IV3),(IV4),(IV5),(IV6),(IV7),(IV8),(IV9),(JE0),(JE1),(JE3),(JE4)
- OEM Wiring Diagrams Convenience System
- OEM Wiring Diagrams Driver Assistance Systems Front Camera , (QK1)
- OEM Wiring Diagrams Driver Door Control Modules
- OEM Wiring Diagrams Dynamic Sway Stabilization , (1P7)
- OEM Wiring Diagrams Emergency Call Module , (IV0)
- OEM Wiring Diagrams Emergency Call Module , (IV1),(IV2),(IV4),(IV5),(IV6),(IV7),(IV8)
- OEM Wiring Diagrams Engine Sound Generator , (Gm4)
- OEM Wiring Diagrams Front Passenger Door Control Modules
- OEM Wiring Diagrams Fuse Assignment, Luggage Compartment
- OEM Wiring Diagrams Fuse Positions
- OEM Wiring Diagrams Garage Door Opener , (VC1),(VC2)
- OEM Wiring Diagrams Headlamp , (8EX)
- OEM Wiring Diagrams Headlamp , (8IY)
- OEM Wiring Diagrams Headlamp , (8IZ)
- OEM WIRING DIAGRAMS HIGH-VOLTAGE BATTERY SYSTEM , (0K3) From 2020
- OEM Wiring Diagrams High-Voltage System , (0K3)
- OEM Wiring Diagrams Horn, Dual Tone
- OEM Wiring Diagrams Infotainment Most Bus
- OEM Wiring Diagrams Instrument Cluster , (9S7),(9S8),(9S9)
- OEM Wiring Diagrams Interior Lighting , (QQ0),(QQ1)
- OEM Wiring Diagrams Interior Lighting , (QQ2)
- OEM Wiring Diagrams Lane Change Assistance , (7Y1)
- OEM Wiring Diagrams Level Control System , (1BK),(2MA),(2MB)
- OEM Wiring Diagrams Lid Release - Rear
- OEM Wiring Diagrams Light Switch
- OEM Wiring Diagrams MMI (Information Electronics 1)
- OEM Wiring Diagrams Network Data Bus
- OEM Wiring Diagrams Network Data Bus (FLEXRAY Bus)
- OEM Wiring Diagrams Night Vision System , (9R1)
- OEM Wiring Diagrams Parking Distance Control , (7X1),(7X2)
- OEM Wiring Diagrams Parking Distance Control , (7X5), (9X9)
- OEM Wiring Diagrams Parking Distance Control , (KA6)
- OEM Wiring Diagrams Peripheral Camera , (KA6)
- OEM Wiring Diagrams Power Rear Lid
- OEM Wiring Diagrams Power Steering, Electromechanical
- OEM Wiring Diagrams Rain/Light Recognition Sensor
- OEM Wiring Diagrams Rear Axle Steering, Electromechanical , (0N5)
- OEM Wiring Diagrams Rear Window Defogger
- OEM Wiring Diagrams Rearview Camera (Rear Assist) , (KA2)
- OEM Wiring Diagrams Seat Entertainment, Rear , (9WQ)
- OEM Wiring Diagrams Seat Heating, Front , (4A3),(4A4)
- OEM Wiring Diagrams Seat Ventilation , (L0L),(4D3),(4D8)
- OEM Wiring Diagrams Seats Adjustment, Front Only , (3L4),(Q1A)
- OEM Wiring Diagrams Seats Adjustment, Front Only , (3L5),(Q1A)
- OEM Wiring Diagrams Seats Adjustment, Front Only , (3PN),(Q1A)
- OEM Wiring Diagrams Seats Adjustment, Front Only , (Q1D)
- OEM Wiring Diagrams Seats Adjustment, Front Only , (Q2J),(Q4Q)
- OEM Wiring Diagrams Seats, Heated Rear , (4A4)
- OEM Wiring Diagrams Sound System , (8RF)
- OEM Wiring Diagrams Sound System , (9VD)
- OEM Wiring Diagrams Sound System , (9VS) (From 06/20)
- OEM Wiring Diagrams Sound System , (9VS) (Up To 06/20)
- OEM Wiring Diagrams Steering Column Adjustment , (2C7)
- OEM Wiring Diagrams Steering Wheel
- OEM Wiring Diagrams Sunroof, Open Sky System
- OEM Wiring Diagrams Tail Lamps , (8VM),(Av2)
- OEM Wiring Diagrams Tail Lamps , (8VP),(Av2)
- OEM Wiring Diagrams Third Row Rear Seat , (5KL)
- OEM Wiring Diagrams Tire Pressure Monitoring , (7K3),(7K4)
- OEM Wiring Diagrams Trailer Mode, Only For Us Equipment , (5C1),(B39)
- OEM Wiring Diagrams TV Tuner , (Q0A),(Q0B),(QU1),(QV1)
- OEM Wiring Diagrams USB Connections For Data Transfer , (UF7),(UF8),(UE8)
- OEM Wiring Diagrams Windshield Defogger , (4GR)
- OEM Wiring Diagrams Windshield Projection Head Up Display , (KS1)
- OEM Wiring Diagrams Wiper And Washer System, Windshield , (9PA)
- OEM Wiring Diagrams Wiper And Washer System, Windshield , (9PF)
- System Wiring Diagrams
- Using lemon2025'S System Wiring Diagrams
- Wires
- Wiring
- Accessories & Equipment
- Anti-Theft Systems
- Collision/Avoidance
- Communication Devices
- Cruise Control Systems
- Drivers Assistance Systems - ADAS
- Entertainment Systems
- Exterior Lights
- Gauges & Instrument Panels
- Infotainment
- Interior/Exterior Trim
- Interior/Illumination Lights
- Mirrors
- Seats
- Warning Systems
- Window Motors & Regulators
- Wiper/Washer Systems
- Body & Frame
- Brakes
- Drivelines & Axles
- Electrical
- Body Electrical
- Charging Systems
- Q7 - Component Locations
- Fuses & Circuit Breakers
- Gauges
- Motors, Switches, Relays
- Starter
- Wiring Diagrams
- OEM Wiring Diagrams 12 V Sockets
- OEM Wiring Diagrams 3.0L Gasoline Engine , DCBD
- OEM Wiring Diagrams 48 V System , (VH2),(VH3)
- OEM Wiring Diagrams A/C System , (9AD)
- OEM Wiring Diagrams A/C System , (9AE)
- OEM Wiring Diagrams A/C System , (9AQ)
- OEM Wiring Diagrams A/C System , (9AU)
- OEM Wiring Diagrams A/C System , (KH5)
- 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 Adaptive Cruise Control , (8T4),(8T5)
- OEM Wiring Diagrams Airbag Systems (USA) , (4UB)
- OEM Wiring Diagrams All-Wheel Drive , (GH2)
- OEM Wiring Diagrams Anti-Theft Alarm System
- OEM Wiring Diagrams Assistance Systems , (JX1)
- OEM Wiring Diagrams Automatic Dimming Interior Rearview Mirror
- OEM Wiring Diagrams Automatic Transmission , (Fm0)
- OEM Wiring Diagrams Automatic Transmission , (FN0)
- OEM Wiring Diagrams Brake System
- OEM Wiring Diagrams Cd Changer , (7D5)
- OEM Wiring Diagrams Cell Phone System , (9ZE),(9ZV),(9ZX)
- OEM Wiring Diagrams Center Console Switch
- OEM WIRING DIAGRAMS COMMUNICATION , (0K3),(B1P) From 2020
- OEM Wiring Diagrams Communication , (IV1),(IV2),(IV3),(IV4),(IV5),(IV6),(IV7),(IV8),(IV9),(JE0),(JE1),(JE3),(JE4)
- OEM Wiring Diagrams Convenience System
- OEM Wiring Diagrams Driver Assistance Systems Front Camera , (QK1)
- OEM Wiring Diagrams Driver Door Control Modules
- OEM Wiring Diagrams Dynamic Sway Stabilization , (1P7)
- OEM Wiring Diagrams Emergency Call Module , (IV0)
- OEM Wiring Diagrams Emergency Call Module , (IV1),(IV2),(IV4),(IV5),(IV6),(IV7),(IV8)
- OEM Wiring Diagrams Engine Sound Generator , (Gm4)
- OEM Wiring Diagrams Front Passenger Door Control Modules
- OEM Wiring Diagrams Fuse Assignment, Luggage Compartment
- OEM Wiring Diagrams Fuse Positions
- OEM Wiring Diagrams Garage Door Opener , (VC1),(VC2)
- OEM Wiring Diagrams Headlamp , (8EX)
- OEM Wiring Diagrams Headlamp , (8IY)
- OEM Wiring Diagrams Headlamp , (8IZ)
- OEM WIRING DIAGRAMS HIGH-VOLTAGE BATTERY SYSTEM , (0K3) From 2020
- OEM Wiring Diagrams High-Voltage System , (0K3)
- OEM Wiring Diagrams Horn, Dual Tone
- OEM Wiring Diagrams Infotainment Most Bus
- OEM Wiring Diagrams Instrument Cluster , (9S7),(9S8),(9S9)
- OEM Wiring Diagrams Interior Lighting , (QQ0),(QQ1)
- OEM Wiring Diagrams Interior Lighting , (QQ2)
- OEM Wiring Diagrams Lane Change Assistance , (7Y1)
- OEM Wiring Diagrams Level Control System , (1BK),(2MA),(2MB)
- OEM Wiring Diagrams Lid Release - Rear
- OEM Wiring Diagrams Light Switch
- OEM Wiring Diagrams MMI (Information Electronics 1)
- OEM Wiring Diagrams Network Data Bus
- OEM Wiring Diagrams Network Data Bus (FLEXRAY Bus)
- OEM Wiring Diagrams Night Vision System , (9R1)
- OEM Wiring Diagrams Parking Distance Control , (7X1),(7X2)
- OEM Wiring Diagrams Parking Distance Control , (7X5), (9X9)
- OEM Wiring Diagrams Parking Distance Control , (KA6)
- OEM Wiring Diagrams Peripheral Camera , (KA6)
- OEM Wiring Diagrams Power Rear Lid
- OEM Wiring Diagrams Power Steering, Electromechanical
- OEM Wiring Diagrams Rain/Light Recognition Sensor
- OEM Wiring Diagrams Rear Axle Steering, Electromechanical , (0N5)
- OEM Wiring Diagrams Rear Window Defogger
- OEM Wiring Diagrams Rearview Camera (Rear Assist) , (KA2)
- OEM Wiring Diagrams Seat Entertainment, Rear , (9WQ)
- OEM Wiring Diagrams Seat Heating, Front , (4A3),(4A4)
- OEM Wiring Diagrams Seat Ventilation , (L0L),(4D3),(4D8)
- OEM Wiring Diagrams Seats Adjustment, Front Only , (3L4),(Q1A)
- OEM Wiring Diagrams Seats Adjustment, Front Only , (3L5),(Q1A)
- OEM Wiring Diagrams Seats Adjustment, Front Only , (3PN),(Q1A)
- OEM Wiring Diagrams Seats Adjustment, Front Only , (Q1D)
- OEM Wiring Diagrams Seats Adjustment, Front Only , (Q2J),(Q4Q)
- OEM Wiring Diagrams Seats, Heated Rear , (4A4)
- OEM Wiring Diagrams Sound System , (8RF)
- OEM Wiring Diagrams Sound System , (9VD)
- OEM Wiring Diagrams Sound System , (9VS) (From 06/20)
- OEM Wiring Diagrams Sound System , (9VS) (Up To 06/20)
- OEM Wiring Diagrams Steering Column Adjustment , (2C7)
- OEM Wiring Diagrams Steering Wheel
- OEM Wiring Diagrams Sunroof, Open Sky System
- OEM Wiring Diagrams Tail Lamps , (8VM),(Av2)
- OEM Wiring Diagrams Tail Lamps , (8VP),(Av2)
- OEM Wiring Diagrams Third Row Rear Seat , (5KL)
- OEM Wiring Diagrams Tire Pressure Monitoring , (7K3),(7K4)
- OEM Wiring Diagrams Trailer Mode, Only For Us Equipment , (5C1),(B39)
- OEM Wiring Diagrams TV Tuner , (Q0A),(Q0B),(QU1),(QV1)
- OEM Wiring Diagrams USB Connections For Data Transfer , (UF7),(UF8),(UE8)
- OEM Wiring Diagrams Windshield Defogger , (4GR)
- OEM Wiring Diagrams Windshield Projection Head Up Display , (KS1)
- OEM Wiring Diagrams Wiper And Washer System, Windshield , (9PA)
- OEM Wiring Diagrams Wiper And Washer System, Windshield , (9PF)
- System Wiring Diagrams
- Using lemon2025'S System Wiring Diagrams
- Wires
- Wiring
- Engine Mechanical
- Blowers, Superchargers & Turbochargers
- Cooling Fan
- Cooling System (Mechanical)
- Exhaust
- Exhaust System, Emission Controls (6-Cylinder Direct Injection 3.0L 4V TFSI Engine Ea839)
- Exhaust System, Emission Controls (Servicing - 6-Cylinder 2.9L; 3.0L 4V TFSI Ea839 Engine)
- General, Technical Data (6-Cylinder Direct Injection 3.0L 4V TFSI Engine Ea839)
- General, Technical Data (Servicing - 6-Cylinder 2.9L; 3.0L 4V TFSI Ea839 Engine)
- Technical Data
- Fuel System
- Fuel Supply (Fuel Supply - Gasoline Engines)
- Fuel Supply (Using The Evaporative Emissions Tester)
- General, Technical Data (6-Cylinder Direct Injection 3.0L 4V TFSI Engine Ea839)
- General, Technical Data (Fuel Supply - Gasoline Engines)
- General, Technical Data (Servicing - 6-Cylinder 2.9L; 3.0L 4V TFSI Ea839 Engine)
- MULTIPORT Fuel Injection (6-Cylinder Direct Injection 3.0L 4V TFSI Engine Ea839)
- MULTIPORT Fuel Injection (Servicing - 6-Cylinder 2.9L; 3.0L 4V TFSI Ea839 Engine)
- Lubrication System
- General, Technical Data (6-Cylinder Direct Injection 3.0L 4V TFSI Engine Ea839)
- General, Technical Data (Oil Gauge Tester T40178 Service Values)
- General, Technical Data (Servicing - 6-Cylinder 2.9L; 3.0L 4V TFSI Ea839 Engine)
- Genuine Oils For Warranty
- Lubrication (6-Cylinder Direct Injection 3.0L 4V TFSI Engine Ea839))
- Lubrication (Servicing - 6-Cylinder 2.9L; 3.0L 4V TFSI Ea839 Engine)
- Mechanical
- Crankshaft, Cylinder Block (6-Cylinder Direct Injection 3.0L 4V TFSI Engine Ea839)
- Crankshaft, Cylinder Block (Servicing - 6-Cylinder 2.9L; 3.0L 4V TFSI Ea839 Engine)
- Cylinder Head, VALVETRAIN (6-Cylinder Direct Injection 3.0L 4V TFSI Engine Ea839)
- Cylinder Head, VALVETRAIN (Servicing - 6-Cylinder 2.9L; 3.0L 4V TFSI Ea839 Engine)
- Engine Assembly (6-Cylinder Direct Injection 3.0L 4V TFSI Engine Ea839)
- Engine Assembly (Servicing - 6-Cylinder 2.9L; 3.0L 4V TFSI Ea839 Engine)
- General, Technical Data (6-Cylinder Direct Injection 3.0L 4V TFSI Engine Ea839)
- General, Technical Data (Oil Gauge Tester T40178 Service Values)
- General, Technical Data (Servicing - 6-Cylinder 2.9L; 3.0L 4V TFSI Ea839 Engine)
- Technical Data
- Starter
- Engine Performance
- Emissions
- Engine Control Systems
- Fuel Delivery
- Fuel Supply (Fuel Supply - Gasoline Engines)
- Fuel Supply (Using The Evaporative Emissions Tester)
- General, Technical Data (6-Cylinder Direct Injection 3.0L 4V TFSI Engine Ea839)
- General, Technical Data (Fuel Supply - Gasoline Engines)
- General, Technical Data (Servicing - 6-Cylinder 2.9L; 3.0L 4V TFSI Ea839 Engine)
- MULTIPORT Fuel Injection (6-Cylinder Direct Injection 3.0L 4V TFSI Engine Ea839)
- MULTIPORT Fuel Injection (Servicing - 6-Cylinder 2.9L; 3.0L 4V TFSI Ea839 Engine)
- Ignition System
- General, Technical Data (6-Cylinder Direct Injection 3.0L 4V TFSI Engine Ea839)
- General, Technical Data (Servicing - 6-Cylinder 2.9L; 3.0L 4V TFSI Ea839 Engine)
- Ignition/Glow Plug System (6-Cylinder Direct Injection 3.0L 4V TFSI Engine Ea839)
- Ignition/Glow Plug System (Servicing - 6-Cylinder 2.9L; 3.0L 4V TFSI Ea839 Engine)
- Specifications
- System
- Testing & Diagnosis
- Tune-Up
- General, Technical Data (6-Cylinder Direct Injection 3.0L 4V TFSI Engine Ea839)
- General, Technical Data (Servicing - 6-Cylinder 2.9L; 3.0L 4V TFSI Ea839 Engine)
- Ignition/Glow Plug System (6-Cylinder Direct Injection 3.0L 4V TFSI Engine Ea839)
- 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)
- Specifications Index
- Steering
- Traction Control Disable Procedures
- Trouble Shooting - Manual Transmission - General Information
- Heating, Ventilation & A/C (HVAC)
- General Servicing
- HVAC Control Systems
- Air Conditioning (Heating, Ventilation And Air Conditioning) (Actuators - Air Ionization)
- Air Conditioning (Heating, Ventilation And Air Conditioning) (Component Overview - Refrigerant Circuit)
- Air Conditioning (Heating, Ventilation And Air Conditioning) (Refrigerant Circuit - Actuators)
- Air Conditioning (Refrigerant R1234YF Servicing) (Refrigerant Circuit)
- Air Conditioning (Refrigerant R1234YF Servicing) (Tools & Testing Equipment)
- Air Conditioning (Refrigerant R134A Servicing) (Capacities)
- Air Conditioning (Refrigerant R134A Servicing) (General Information)
- Air Conditioning (Refrigerant R134A Servicing) (Pressures - Refrigerant Oils)
- Air Conditioning (Refrigerant R134A Servicing) (Pressures Checking)
- General, Technical Data (Heating, Ventilation And Air Conditioning)
- General, Technical Data (Refrigerant R1234YF Servicing)
- Heating, Ventilation
- Hybrid/Electric Powertrain
- Maintenance
- Restraints
- Steering
- Suspension
- Electronic Suspension
- Front Suspension
- Rear Suspension
- Suspension Control Systems
- Wheel Alignment
- AUDI Wheel Alignment Specifications - Q7
- General, Technical Data (Suspension, Wheels, Steering)
- Wheels, Tires And Wheel Alignment
- Wheels, Tires, Wheel Alignment ( Correct Wheel Tire Combinations)
- Wheels, Tires, Wheel Alignment (Tires & Wheels - Infrared System)
- Wheels, Tires, Wheel Alignment (Wheel Changing - Temporary Spares)
- Wheels, Tires, Wheel Alignment (Wheel Tire Combinations - Air Pressures)
- Wheels & Tire System
- General, Technical Data (Suspension, Wheels, Steering)
- Wheels, Tires And Wheel Alignment
- Wheels, Tires, Wheel Alignment ( Correct Wheel Tire Combinations)
- Wheels, Tires, Wheel Alignment (Tires & Wheels - Infrared System)
- Wheels, Tires, Wheel Alignment (Wheel Changing - Temporary Spares)
- Wheels, Tires, Wheel Alignment (Wheel Tire Combinations - Air Pressures)
- Transmission
- External Pages