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
Electrical Component Locations
Fluids
Technical Bulletins
Tire Fitment
Wiring Diagrams
- OEM Wiring Diagrams 12 V Sockets, Cigarette Lighter
- OEM Wiring Diagrams A/C System , (9AK)
- OEM Wiring Diagrams A/C System , (9AQ)
- 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) , (4UH)
- OEM Wiring Diagrams Assistance Systems , (JX1)
- OEM Wiring Diagrams Automatic Dimming Interior Rearview Mirror, Rain Sensor
- OEM Wiring Diagrams Auxiliary Heater , (7E1)
- 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 , (Av4)
- OEM Wiring Diagrams Communication , (IV1),(IV2),(IV3),(IV4),(IV5),(IV6),(IV7),(IV8),(IV9),(JE0),(JE1),(JE3),(JE4),(JE6)
- OEM Wiring Diagrams Convenience System
- OEM Wiring Diagrams Digital TV Tuner , (Q0A),(Q0B),(QU1),(QV1)
- OEM Wiring Diagrams Door, Driver , (L0L)
- OEM Wiring Diagrams Door, Front Passenger , (L0L)
- OEM Wiring Diagrams Door, Left Rear , (L0L)
- OEM Wiring Diagrams Door, Right Rear , (L0L)
- OEM Wiring Diagrams Driver Assistance Systems Front Camera , (QK1)
- OEM Wiring Diagrams Driver Seat , (L0L),(Q1A)
- OEM Wiring Diagrams Driver Seat , (L0L),(Q2J)
- OEM Wiring Diagrams Driver Seat , (L0L),(Q4Q),(Q1D)
- OEM Wiring Diagrams Electric Drive System
- OEM Wiring Diagrams Electric Drive System For Front Axle , EASA,EASB,EAVA,EAWA,EAUA,EATA,EDEA
- OEM Wiring Diagrams Electric Drive System For Rear Axle , EASA,EASB,EAWA,EDEA
- OEM Wiring Diagrams Electric Drive System For Rear Axle , EAVA
- OEM Wiring Diagrams Emergency Call Module , (IW1),(IW3),(IW5),(IW6)
- OEM Wiring Diagrams External Usage Interface , (IU3),(IU4)
- OEM Wiring Diagrams Front Passenger Seat , (L0L),(Q1A)
- OEM Wiring Diagrams Front Passenger Seat , (L0L),(Q2J)
- OEM Wiring Diagrams Front Passenger Seat , (L0L),(Q4Q),(Q1D)
- OEM Wiring Diagrams Fuse Positions
- OEM Wiring Diagrams Garage Door Opener , (VC2)
- OEM Wiring Diagrams Headlamps Led , (8IV)
- OEM Wiring Diagrams Headlamps Led , (8IY)
- OEM Wiring Diagrams High-Voltage Battery Charging , (EK1)
- OEM Wiring Diagrams High-Voltage Battery Charging , (EK2),(EK4)
- OEM Wiring Diagrams High-Voltage Battery System
- OEM Wiring Diagrams High-Voltage System
- OEM Wiring Diagrams High-Voltage System Charging Socket , (Es6)
- OEM Wiring Diagrams High-Voltage System Charging Socket , (Es7)
- OEM Wiring Diagrams Horn, Dual Tone
- OEM Wiring Diagrams Infotainment Most Bus
- OEM Wiring Diagrams Instrument Cluster
- OEM Wiring Diagrams Lane Change Assistance , (7Y1)
- OEM Wiring Diagrams Level Control System
- OEM Wiring Diagrams Light Switch
- OEM Wiring Diagrams MMI (Information Electronics 1)
- OEM Wiring Diagrams MMI (Information Electronics 1) , (I8T)
- OEM Wiring Diagrams Multimedia System , (9WQ)
- 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 , (7X2)
- OEM Wiring Diagrams Parking Distance Control , (7X5),(9X9),(KA0),(KA2)
- OEM Wiring Diagrams Parking Distance Control , (KA6)
- OEM Wiring Diagrams Peripheral Camera , (KA6)
- OEM Wiring Diagrams Power Rear Lid , (4E7)
- OEM Wiring Diagrams Power Steering, Electromechanical
- OEM Wiring Diagrams Rear Window Defogger
- OEM Wiring Diagrams Rearview Camera (Rear Assist) , (KA2)
- OEM Wiring Diagrams Roof Module
- OEM Wiring Diagrams Seat Heating, Front , (5C1)
- OEM Wiring Diagrams Seat Heating, Front , (L0L),(Q1A)
- OEM Wiring Diagrams Seat Heating, Front , (L0L),(Q1D),(Q4Q),(Q2J)
- OEM Wiring Diagrams Seat Lumbar Adjustment , (3L3)
- OEM Wiring Diagrams Seat Ventilation , (L0L)
- OEM Wiring Diagrams Seats, Heated Rear , (4A4)
- OEM Wiring Diagrams Sound System , (8RM),(9VD)
- OEM Wiring Diagrams Sound System , (9VS)
- OEM Wiring Diagrams Steering Column Adjustment , (2C7)
- OEM Wiring Diagrams Steering Column Electronic Systems
- OEM Wiring Diagrams Sunroof, Panorama , (3FU)
- OEM Wiring Diagrams Tail Lamps With Led, Only For Us Equipment , (Av2)
- OEM Wiring Diagrams Thermal Management
- OEM Wiring Diagrams Tire Pressure Monitoring , (7K3)
- OEM Wiring Diagrams Trailer Mode , (5C0)
- OEM Wiring Diagrams Trailer Mode, Only For Us Equipment , (5C1)
- OEM Wiring Diagrams USB Connections For Data Transfer , (IU0),(IU1),(IU2),(IU5),(UE8)
- OEM Wiring Diagrams Vanity Mirror
- OEM Wiring Diagrams Windshield Projection Head Up Display , (KS1)
- OEM Wiring Diagrams Wiper And Washer System, Heated Spray Nozzles, Windshield And Headlamp , (9PA)
- OEM Wiring Diagrams Wiper And Washer System, Heated Spray Nozzles, Windshield And Headlamp , (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
- E-Tron QUATTRO - Component Locations
- Fuses & Circuit Breakers
- Gauges
- Motors, Switches, Relays
- Wiring Diagrams
- OEM Wiring Diagrams 12 V Sockets, Cigarette Lighter
- OEM Wiring Diagrams A/C System , (9AK)
- OEM Wiring Diagrams A/C System , (9AQ)
- 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) , (4UH)
- OEM Wiring Diagrams Assistance Systems , (JX1)
- OEM Wiring Diagrams Automatic Dimming Interior Rearview Mirror, Rain Sensor
- OEM Wiring Diagrams Auxiliary Heater , (7E1)
- 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 , (Av4)
- OEM Wiring Diagrams Communication , (IV1),(IV2),(IV3),(IV4),(IV5),(IV6),(IV7),(IV8),(IV9),(JE0),(JE1),(JE3),(JE4),(JE6)
- OEM Wiring Diagrams Convenience System
- OEM Wiring Diagrams Digital TV Tuner , (Q0A),(Q0B),(QU1),(QV1)
- OEM Wiring Diagrams Door, Driver , (L0L)
- OEM Wiring Diagrams Door, Front Passenger , (L0L)
- OEM Wiring Diagrams Door, Left Rear , (L0L)
- OEM Wiring Diagrams Door, Right Rear , (L0L)
- OEM Wiring Diagrams Driver Assistance Systems Front Camera , (QK1)
- OEM Wiring Diagrams Driver Seat , (L0L),(Q1A)
- OEM Wiring Diagrams Driver Seat , (L0L),(Q2J)
- OEM Wiring Diagrams Driver Seat , (L0L),(Q4Q),(Q1D)
- OEM Wiring Diagrams Electric Drive System
- OEM Wiring Diagrams Electric Drive System For Front Axle , EASA,EASB,EAVA,EAWA,EAUA,EATA,EDEA
- OEM Wiring Diagrams Electric Drive System For Rear Axle , EASA,EASB,EAWA,EDEA
- OEM Wiring Diagrams Electric Drive System For Rear Axle , EAVA
- OEM Wiring Diagrams Emergency Call Module , (IW1),(IW3),(IW5),(IW6)
- OEM Wiring Diagrams External Usage Interface , (IU3),(IU4)
- OEM Wiring Diagrams Front Passenger Seat , (L0L),(Q1A)
- OEM Wiring Diagrams Front Passenger Seat , (L0L),(Q2J)
- OEM Wiring Diagrams Front Passenger Seat , (L0L),(Q4Q),(Q1D)
- OEM Wiring Diagrams Fuse Positions
- OEM Wiring Diagrams Garage Door Opener , (VC2)
- OEM Wiring Diagrams Headlamps Led , (8IV)
- OEM Wiring Diagrams Headlamps Led , (8IY)
- OEM Wiring Diagrams High-Voltage Battery Charging , (EK1)
- OEM Wiring Diagrams High-Voltage Battery Charging , (EK2),(EK4)
- OEM Wiring Diagrams High-Voltage Battery System
- OEM Wiring Diagrams High-Voltage System
- OEM Wiring Diagrams High-Voltage System Charging Socket , (Es6)
- OEM Wiring Diagrams High-Voltage System Charging Socket , (Es7)
- OEM Wiring Diagrams Horn, Dual Tone
- OEM Wiring Diagrams Infotainment Most Bus
- OEM Wiring Diagrams Instrument Cluster
- OEM Wiring Diagrams Lane Change Assistance , (7Y1)
- OEM Wiring Diagrams Level Control System
- OEM Wiring Diagrams Light Switch
- OEM Wiring Diagrams MMI (Information Electronics 1)
- OEM Wiring Diagrams MMI (Information Electronics 1) , (I8T)
- OEM Wiring Diagrams Multimedia System , (9WQ)
- 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 , (7X2)
- OEM Wiring Diagrams Parking Distance Control , (7X5),(9X9),(KA0),(KA2)
- OEM Wiring Diagrams Parking Distance Control , (KA6)
- OEM Wiring Diagrams Peripheral Camera , (KA6)
- OEM Wiring Diagrams Power Rear Lid , (4E7)
- OEM Wiring Diagrams Power Steering, Electromechanical
- OEM Wiring Diagrams Rear Window Defogger
- OEM Wiring Diagrams Rearview Camera (Rear Assist) , (KA2)
- OEM Wiring Diagrams Roof Module
- OEM Wiring Diagrams Seat Heating, Front , (5C1)
- OEM Wiring Diagrams Seat Heating, Front , (L0L),(Q1A)
- OEM Wiring Diagrams Seat Heating, Front , (L0L),(Q1D),(Q4Q),(Q2J)
- OEM Wiring Diagrams Seat Lumbar Adjustment , (3L3)
- OEM Wiring Diagrams Seat Ventilation , (L0L)
- OEM Wiring Diagrams Seats, Heated Rear , (4A4)
- OEM Wiring Diagrams Sound System , (8RM),(9VD)
- OEM Wiring Diagrams Sound System , (9VS)
- OEM Wiring Diagrams Steering Column Adjustment , (2C7)
- OEM Wiring Diagrams Steering Column Electronic Systems
- OEM Wiring Diagrams Sunroof, Panorama , (3FU)
- OEM Wiring Diagrams Tail Lamps With Led, Only For Us Equipment , (Av2)
- OEM Wiring Diagrams Thermal Management
- OEM Wiring Diagrams Tire Pressure Monitoring , (7K3)
- OEM Wiring Diagrams Trailer Mode , (5C0)
- OEM Wiring Diagrams Trailer Mode, Only For Us Equipment , (5C1)
- OEM Wiring Diagrams USB Connections For Data Transfer , (IU0),(IU1),(IU2),(IU5),(UE8)
- OEM Wiring Diagrams Vanity Mirror
- OEM Wiring Diagrams Windshield Projection Head Up Display , (KS1)
- OEM Wiring Diagrams Wiper And Washer System, Heated Spray Nozzles, Windshield And Headlamp , (9PA)
- OEM Wiring Diagrams Wiper And Washer System, Heated Spray Nozzles, Windshield And Headlamp , (9PF)
- System Wiring Diagrams
- Using lemon2025'S System Wiring Diagrams
- Wires
- Wiring
- Engine Mechanical
- Engine Performance
- General Information
- Abbreviations
- Basic Trouble Shooting
- Brakes
- Check Lists
- Driveline/Axles
- 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)
- A/C Compressor
- General Servicing
- HVAC Control Systems
- Air Conditioning (Heating, Ventilation And Air Conditioning - A/C Compressor - Actuators)
- Air Conditioning (Heating, Ventilation And Air Conditioning - Actuators - Air Ionization)
- Air Conditioning (Refrigerant R1234YF Servicing - Refrigerant Circuit)
- Air Conditioning (Refrigerant R1234YF Servicing - Tools & Equipment)
- Air Conditioning (Refrigerant R134A Servicing - Capacities)
- Air Conditioning (Refrigerant R134A Servicing - General Information)
- Air Conditioning (Refrigerant R134A Servicing - Precautions & Pressures)
- 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
- Battery Management Systems
- Electric Drive - (Electric Drive Motor 0EF)
- Electric Drive - High-Voltage Battery
- Electrical System - (Battery, Starter, Generator, Cruise Control)
- General Information
- General, Technical Data - Electric Drive Motor 0EF
- General, Technical Data - Electrical Equipment
- General, Technical Data - Front Transmission, 0MA
- General, Technical Data - High-Voltage Battery
- General, Technical Data - High-Voltage Vehicle General Information
- General, Technical Data - Rear Transmission 0MB, 0MC
- General, Technical Data - Safety Precautions And Repair Information
- Cooling Systems
- Electric Converters and Controllers
- Electric Drive - (Electric Drive Motor 0EF)
- Electric Drive - High-Voltage Battery
- General, Technical Data - Electric Drive Motor 0EF
- General, Technical Data - High-Voltage Battery
- General, Technical Data - High-Voltage Vehicle General Information
- General, Technical Data - Safety Precautions And Repair Information
- Electric Motor Systems
- Controls, Housing - Front Transmission, 0MA
- Controls, Housing (Rear Transmission 0MB)
- Electric Drive - (Electric Drive Motor 0EF)
- Electric Drive - High-Voltage Battery
- Engine Assembly
- General, Technical Data - Electric Drive Motor 0EF
- General, Technical Data - Electrical Equipment
- General, Technical Data - Front Transmission, 0MA
- General, Technical Data - High-Voltage Battery
- General, Technical Data - High-Voltage Vehicle General Information
- General, Technical Data - Rear Transmission 0MB, 0MC
- General, Technical Data - Safety Precautions And Repair Information
- Testing and Diagnosis
- Battery Management Systems
- Maintenance
- Restraints
- Steering
- Suspension
- Electronic Suspension
- Front Suspension
- Rear Suspension
- Wheel Alignment
- AUDI Wheel Alignment Specifications - Q8 E-Tron
- General, Technical Data - Suspension, Wheels, Steering
- Wheels, Tires, Wheel Alignment (Air Pressures)
- Wheels, Tires, Wheel Alignment (Axle Alignment)
- Wheels, Tires, Wheel Alignment (Wheel & Tire Guide)
- Wheels, Tires, Wheel Alignment (Wheel/Tire Combinations)
- Wheels & Tire System
- Transmission
- External Pages