Repair and Diagnosis
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Quick Lookups
Common Specs & Procedures
DTC Index
Electrical Component Locations
Fluids
Technical Bulletins
Tire Fitment
Wiring Diagrams
- OEM Wiring Diagrams 2.0L Gasoline Engine , DMTA,DPAA
- 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 , (GH4)
- OEM Wiring Diagrams All-Wheel Drive , (GH2)
- OEM Wiring Diagrams Anti-Lock Brake System (Abs)
- OEM Wiring Diagrams Automatic Dimming Interior Rearview Mirror
- OEM Wiring Diagrams Automatic Transmission , (G1G)
- OEM Wiring Diagrams Automatic Transmission (DSG) 7-Speed 0CK , (G1C),(G1D)
- OEM Wiring Diagrams Auxiliary Air Heater (PTC) , (7E6)
- OEM Wiring Diagrams Battery, Starter And Generator , (0K4),(VH2)
- OEM Wiring Diagrams Battery, Starter And Generator , (VH0)
- OEM Wiring Diagrams Cell Phone System , (9ZE),(9ZV)
- 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 Driver Assistance Systems Front Camera , (QK1)
- OEM Wiring Diagrams Engine Sound Generator , (FN0),(FN1)
- OEM Wiring Diagrams External Usage Interface , (IU3),(9B1)
- OEM Wiring Diagrams Fuse Positions
- OEM Wiring Diagrams Garage Door Opener , (VC1),(VC2)
- OEM Wiring Diagrams Headlamp , (8EX)
- OEM Wiring Diagrams Headlamp , (8IT)
- OEM Wiring Diagrams Headlamp , (8IY)
- OEM Wiring Diagrams Heated Steering Wheel
- OEM Wiring Diagrams Infotainment Most Bus
- OEM Wiring Diagrams Instrument Cluster , (9S5),(9S7)
- OEM Wiring Diagrams Instrument Cluster , (9S8),(9S9)
- OEM Wiring Diagrams Lane Change Assistance , (7Y1)
- OEM Wiring Diagrams Level Control System With Dampening Adjustment , (1BL),(1BQ),(2MC),(2MN),(2MS),(2MT),(2MV),(GH2)
- OEM Wiring Diagrams MMI (Information Electronics 1)
- OEM Wiring Diagrams MULTIFUNCTION Steering Wheel
- OEM Wiring Diagrams Network Data Bus (FLEXRAY Bus)
- 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 Peripheral Camera , (KA6)
- OEM Wiring Diagrams Power Rear Lid , (4E7)
- OEM Wiring Diagrams Power Steering, Electromechanical , (1N8),(L0L),(QZ7)
- OEM Wiring Diagrams Rearview Camera (Rear Assist) , (KA2)
- OEM Wiring Diagrams Seat Entertainment, Rear , (9WQ)
- OEM Wiring Diagrams Seat Heating , (4A3),(4A4)
- OEM Wiring Diagrams Seat Lumbar Adjustment , (3L3),(8I6)
- OEM Wiring Diagrams Seat Lumbar Adjustment With Manual Seats , (7P1),(7P7)
- OEM Wiring Diagrams Seat Ventilation , (4D3),(L0L)
- OEM Wiring Diagrams Seats Adjustment, Front Only , (3L4)
- OEM Wiring Diagrams Seats Adjustment, Front Only , (3L4),(8I6)
- OEM Wiring Diagrams Seats Adjustment, Front Only , (3L5),(3PB),(3PE)
- OEM Wiring Diagrams Seats Adjustment, Front Only , (3L5),(3PB),(3PE),(8I6)
- 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 , (3FU)
- OEM Wiring Diagrams Tail Lamps , (8VG),(Av0),(Av1),(Av4)
- OEM Wiring Diagrams Tail Lamps , (8VM),(8VP),(Av0),(Av1),(Av4)
- OEM Wiring Diagrams Tail Lamps , (8VM),(8VP),(Av2)
- OEM Wiring Diagrams Tire Pressure Monitoring , (7K3),(7K4)
- OEM Wiring Diagrams TV Tuner , (QU1),(QV1)
- OEM Wiring Diagrams USB Connections For Data Transfer
- OEM Wiring Diagrams Windshield Defogger , (0K2),(4GR),(4GY)
- OEM Wiring Diagrams Windshield Defogger , (0K4),(0K0),(4GR),(4GY)
- OEM Wiring Diagrams Windshield Projection Head Up Display , (KS1)
- System Wiring Diagrams
- Using lemon2025'S System Wiring Diagrams
- Wires
- Wiring
- Accessories & Equipment
- Body & Frame
- Brakes
- Drivelines & Axles
- Axle Shafts
- Differentials & Drive Axles
- Final Drive, Differential (7-Speed Dual Clutch Transmission 0CJ, 0CK, 0CL, 0DN, 0DP)
- Final Drive, Differential (Rear Final Drive)
- Final Drive, Differential (Servicing - 7-Speed Dual Clutch Transmission 0CJ, 0CL, 0CK, 0DK, 0DN, 0DP, 0HL)
- Gears, Shafts (7-Speed Dual Clutch Transmission 0CJ, 0CK, 0CL, 0DN, 0DP)
- Gears, Shafts (Servicing - 7-Speed Dual Clutch Transmission 0CJ, 0CL, 0CK, 0DK, 0DN, 0DP, 0HL)
- General, Technical Data (Rear Final Drive 0D2, 0D3, 0DB, 0B0, 0BX, 0DG, 0G2, 09R)
- Driveshaft & Universal Joints
- Electrical
- Body Electrical
- Charging Systems
- A4 ALLROAD - Component Locations
- Fuses & Circuit Breakers
- Gauges
- Motors, Switches, Relays
- Wiring Diagrams
- OEM Wiring Diagrams 2.0L Gasoline Engine , DMTA,DPAA
- 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 , (GH4)
- OEM Wiring Diagrams All-Wheel Drive , (GH2)
- OEM Wiring Diagrams Anti-Lock Brake System (Abs)
- OEM Wiring Diagrams Automatic Dimming Interior Rearview Mirror
- OEM Wiring Diagrams Automatic Transmission , (G1G)
- OEM Wiring Diagrams Automatic Transmission (DSG) 7-Speed 0CK , (G1C),(G1D)
- OEM Wiring Diagrams Auxiliary Air Heater (PTC) , (7E6)
- OEM Wiring Diagrams Battery, Starter And Generator , (0K4),(VH2)
- OEM Wiring Diagrams Battery, Starter And Generator , (VH0)
- OEM Wiring Diagrams Cell Phone System , (9ZE),(9ZV)
- 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 Driver Assistance Systems Front Camera , (QK1)
- OEM Wiring Diagrams Engine Sound Generator , (FN0),(FN1)
- OEM Wiring Diagrams External Usage Interface , (IU3),(9B1)
- OEM Wiring Diagrams Fuse Positions
- OEM Wiring Diagrams Garage Door Opener , (VC1),(VC2)
- OEM Wiring Diagrams Headlamp , (8EX)
- OEM Wiring Diagrams Headlamp , (8IT)
- OEM Wiring Diagrams Headlamp , (8IY)
- OEM Wiring Diagrams Heated Steering Wheel
- OEM Wiring Diagrams Infotainment Most Bus
- OEM Wiring Diagrams Instrument Cluster , (9S5),(9S7)
- OEM Wiring Diagrams Instrument Cluster , (9S8),(9S9)
- OEM Wiring Diagrams Lane Change Assistance , (7Y1)
- OEM Wiring Diagrams Level Control System With Dampening Adjustment , (1BL),(1BQ),(2MC),(2MN),(2MS),(2MT),(2MV),(GH2)
- OEM Wiring Diagrams MMI (Information Electronics 1)
- OEM Wiring Diagrams MULTIFUNCTION Steering Wheel
- OEM Wiring Diagrams Network Data Bus (FLEXRAY Bus)
- 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 Peripheral Camera , (KA6)
- OEM Wiring Diagrams Power Rear Lid , (4E7)
- OEM Wiring Diagrams Power Steering, Electromechanical , (1N8),(L0L),(QZ7)
- OEM Wiring Diagrams Rearview Camera (Rear Assist) , (KA2)
- OEM Wiring Diagrams Seat Entertainment, Rear , (9WQ)
- OEM Wiring Diagrams Seat Heating , (4A3),(4A4)
- OEM Wiring Diagrams Seat Lumbar Adjustment , (3L3),(8I6)
- OEM Wiring Diagrams Seat Lumbar Adjustment With Manual Seats , (7P1),(7P7)
- OEM Wiring Diagrams Seat Ventilation , (4D3),(L0L)
- OEM Wiring Diagrams Seats Adjustment, Front Only , (3L4)
- OEM Wiring Diagrams Seats Adjustment, Front Only , (3L4),(8I6)
- OEM Wiring Diagrams Seats Adjustment, Front Only , (3L5),(3PB),(3PE)
- OEM Wiring Diagrams Seats Adjustment, Front Only , (3L5),(3PB),(3PE),(8I6)
- 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 , (3FU)
- OEM Wiring Diagrams Tail Lamps , (8VG),(Av0),(Av1),(Av4)
- OEM Wiring Diagrams Tail Lamps , (8VM),(8VP),(Av0),(Av1),(Av4)
- OEM Wiring Diagrams Tail Lamps , (8VM),(8VP),(Av2)
- OEM Wiring Diagrams Tire Pressure Monitoring , (7K3),(7K4)
- OEM Wiring Diagrams TV Tuner , (QU1),(QV1)
- OEM Wiring Diagrams USB Connections For Data Transfer
- OEM Wiring Diagrams Windshield Defogger , (0K2),(4GR),(4GY)
- OEM Wiring Diagrams Windshield Defogger , (0K4),(0K0),(4GR),(4GY)
- OEM Wiring Diagrams Windshield Projection Head Up Display , (KS1)
- System Wiring Diagrams
- Using lemon2025'S System Wiring Diagrams
- Wires
- Wiring
- Engine Mechanical
- Engine Performance
- Emissions
- Engine Control Systems
- Generic Scan Tool - Engine DTC Tables (P0420 - P0038) (2023)
- Generic Scan Tool - Engine DTC Tables (P2181 - U0415) (2023)
- Generic Scan Tool - Transmission DTC Tables (2023)
- Generic Scan Tool (Engine DTC Tables - Diagnostic Procedures) [Engine DTC Tables]
- Generic Scan Tool (Engine DTC Tables - Diagnostic Procedures) [Transmission DTC Tables & Diagnostic Procedures]
- Generic Scan Tool (General Information - Diagnosis & Testing)
- Generic Scan Tool (General Information - Diagnosis & Testing) (2024)
- Generic Scan Tool (Transmission DTC Tables) (2024)
- Fuel Delivery
- Ignition System
- Specifications
- System
- Generic Scan Tool - Engine DTC Tables (P0420 - P0038) (2023)
- Generic Scan Tool - Engine DTC Tables (P2181 - U0415) (2023)
- Generic Scan Tool - Transmission DTC Tables (2023)
- Generic Scan Tool (Engine DTC Tables - Diagnostic Procedures) [Engine DTC Tables]
- Generic Scan Tool (Engine DTC Tables - Diagnostic Procedures) [Transmission DTC Tables & Diagnostic Procedures]
- Generic Scan Tool (General Information - Diagnosis & Testing)
- Generic Scan Tool (General Information - Diagnosis & Testing) (2024)
- Generic Scan Tool (Transmission DTC Tables) (2024)
- Testing & Diagnosis
- Generic Scan Tool - Engine DTC Tables (P0420 - P0038) (2023)
- Generic Scan Tool - Engine DTC Tables (P2181 - U0415) (2023)
- Generic Scan Tool - Transmission DTC Tables (2023)
- Generic Scan Tool (Engine DTC Tables - Diagnostic Procedures) [Engine DTC Tables]
- Generic Scan Tool (Engine DTC Tables - Diagnostic Procedures) [Transmission DTC Tables & Diagnostic Procedures]
- Generic Scan Tool (General Information - Diagnosis & Testing)
- Generic Scan Tool (General Information - Diagnosis & Testing) (2024)
- Generic Scan Tool (Transmission DTC Tables) (2024)
- Tune-Up
- 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)
- A/C Compressor
- General Servicing
- HVAC Control Systems
- Air Conditioning - Heating, Ventilation And Air Conditioning (A/C Compressor - Display Control Head)
- Air Conditioning - Heating, Ventilation And Air Conditioning (Component Location - A/C Compressor)
- Air Conditioning - Refrigerant R1234YF Servicing (Pressures Checking)
- 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 (Pressures & Components)
- Air Conditioning - Refrigerant R134A Servicing (Refrigerant Circuit)
- 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
- Wheel Alignment
- AUDI Wheel Alignment Specifications - A4 AVANT
- Wheels, Tires, Wheel Alignment (Tire Pressure Monitoring - Driver Assistance Front Camera)
- Wheels, Tires, Wheel Alignment (Wheel & Tire Guide - Temporary Spare Tires)
- Wheels, Tires, Wheel Alignment (Wheel/Tire Combinations - Air Pressures)
- Wheels, Tires, Wheel Alignment (Wheel/Tire Combinations & Wheel Bolt Tightening)
- Wheels & Tire System
- Transmission
- Automatic Trans
- Controls, Housing (7-Speed Dual Clutch Transmission 0CJ, 0CK, 0CL, 0DN, 0DP)
- Controls, Housing (Servicing - 7-Speed Dual Clutch Transmission 0CJ, 0CL, 0CK, 0DK, 0DN, 0DP, 0HL)
- Gears, Shafts (7-Speed Dual Clutch Transmission 0CJ, 0CK, 0CL, 0DN, 0DP)
- Gears, Shafts (Servicing - 7-Speed Dual Clutch Transmission 0CJ, 0CL, 0CK, 0DK, 0DN, 0DP, 0HL)
- General, Technical Data (7-Speed Dual Clutch Transmission 0CJ, 0CK, 0CL, 0DN, 0DP)
- General, Technical Data (Servicing - 7-Speed Dual Clutch Transmission 0CJ, 0CL, 0CK, 0DK, 0DN, 0DP, 0HL)
- Clutch (7-Speed Dual Clutch Transmission 0CJ)
- Manual Trans
- Transmission Control Systems
- Controls, Housing (7-Speed Dual Clutch Transmission 0CJ, 0CK, 0CL, 0DN, 0DP)
- Controls, Housing (Servicing - 7-Speed Dual Clutch Transmission 0CJ, 0CL, 0CK, 0DK, 0DN, 0DP, 0HL)
- General, Technical Data (7-Speed Dual Clutch Transmission 0CJ, 0CK, 0CL, 0DN, 0DP)
- General, Technical Data (Servicing - 7-Speed Dual Clutch Transmission 0CJ, 0CL, 0CK, 0DK, 0DN, 0DP, 0HL)
- Generic Scan Tool (Engine DTC Tables - Diagnostic Procedures) [Engine DTC Tables]
- Generic Scan Tool (Engine DTC Tables - Diagnostic Procedures) [Transmission DTC Tables & Diagnostic Procedures]
- Automatic Trans
- External Pages