Wiring Diagram Cluster

2001 Audi A4 Quattro Sedan Body Electrical Wiring Diagram

Find body control module wiring, door lock circuits, interior lighting paths, and horn/alarm schematics.

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Matched Diagrams

48

Variant Used

A4 Quattro Sedan (8D2) L4-1.8L Turbo (AWM)

Total Vehicle Diagrams

1015

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2001 Audi A4 Quattro Sedan Output Diagnostic Test Mode (Function 03)

OEM source

Factory Manual Evidence

When there is no clean repair shortcut for this system, drop into the OEM manual sections that usually carry the authoritative test path.

2001 Audi A4 Quattro Sedan Output Diagnostic Test Mode (Function 03) →
2001 Audi A4 Quattro Sedan Output Diagnostic Test Mode (Function 03)2001 Audi A4 Quattro Sedan 57 Remote Control Key Inoperative (GROUP 57, NO. 17-38)2001 Audi A4 Quattro Sedan 57 Remote Control Key Inoperative (GROUP 57, NO. 17-38)

Diagnostic signal

Codes Often Seen With This System

Use the code cluster when wiring faults overlap with check-engine or module-level diagnostics.

B1318: Battery Voltage Low →
U0140: Lost Communication with Body Control Module

Top Body Electrical Diagram Paths

1.Electrical Diagrams > Body Control Systems > Central Locking/Antitheft/Interior Light Delay Control ModuleGeneralOpen2.Components > Modules > Central Locking/Alarm/Interior Light Delay Module -V94-GeneralOpen3.Components > Switches > Trunk Lock Alarm/Central Locking Switch -F124-GeneralOpen4.Doors, Hood and Trunk > Doors > Front Door — DiagramBody and FrameOpen5.Horn — Diagram Information and Instructions > Circuit and Terminal DesignationsLighting and HornsOpen6.Horn — Diagram Information and Instructions > Explanation For Troubleshooting ProceduresLighting and HornsOpen7.Horn — Diagram Information and Instructions > How to Read Displayed Page of Wiring DiagramLighting and HornsOpen8.Horn — Diagram Information and Instructions > Symbols Used In Wiring DiagramsLighting and HornsOpen9.Horn — Diagram Information and Instructions > Wire Color Code IdentificationLighting and HornsOpen10.Horn — Diagram Information and Instructions > Wire Size ConversionLighting and HornsOpen11.Horn — Diagram Information and Instructions > Wiring Diagram LayoutLighting and HornsOpen12.Horn — Electrical DiagramsLighting and HornsOpen13.Locks > Door Locks — DiagramBody and FrameOpen14.Components > Miscellaneous > Alarm Horn -H8-GeneralOpen15.Components > Modules > Left Heated Door Lock Control Module -J210-GeneralOpen16.Connector Views > Lighting and Horns > Combination SwitchGeneralOpen17.Connector Views > Lighting and Horns > Headlamp Dimmer SwitchGeneralOpen18.Connector Views > Lighting and Horns > Headlamp SwitchGeneralOpen19.Connector Views > Lighting and Horns > System DiagramGeneralOpen20.Electrical Diagrams > Antitheft and Alarm Systems > Alarm Horn > From August 2000GeneralOpen21.Electrical Diagrams > Antitheft and Alarm Systems > Alarm Horn > From January 1999 VIN XA 200.000GeneralOpen22.Electrical Diagrams > Body Control Systems > Door Warning Light Control ModuleGeneralOpen23.Electrical Diagrams > Body Control Systems > Steering Wheel Control ModuleGeneralOpen24.Electrical Diagrams > Body Control Systems > Steering Wheel Control Unit > Multi-Function WheelGeneralOpen25.Electrical Diagrams > Body Control Systems > Steering Wheel Control Unit > Tiptronic WheelGeneralOpen26.Electrical Diagrams > Lighting and Horns > Brake LampGeneralOpen27.Electrical Diagrams > Lighting and Horns > Brake Light SwitchGeneralOpen28.Electrical Diagrams > Lighting and Horns > Center Mounted Brake LampGeneralOpen29.Electrical Diagrams > Lighting and Horns > Daytime Running Lamp > Daytime Running Lamp RelayGeneralOpen30.Electrical Diagrams > Lighting and Horns > Daytime Running Lamp > System DiagramGeneralOpen31.Electrical Diagrams > Lighting and Horns > Door LampGeneralOpen32.Electrical Diagrams > Lighting and Horns > Fog/Driving Lamp > Fog/Driving Lamp Relay > Driving Light Relay (Canada)GeneralOpen33.Electrical Diagrams > Lighting and Horns > Fog/Driving Lamp > Fog/Driving Lamp Relay > Fog Light Control ModuleGeneralOpen34.Electrical Diagrams > Lighting and Horns > Fog/Driving Lamp > Fog/Driving Lamp SwitchGeneralOpen35.Electrical Diagrams > Lighting and Horns > Fog/Driving Lamp > System Diagram > Front & Rear FoglightsGeneralOpen36.Electrical Diagrams > Lighting and Horns > Fog/Driving Lamp > System Diagram > Front FoglightsGeneralOpen37.Electrical Diagrams > Lighting and Horns > Fog/Driving Lamp > System Diagram > Rear FoglightsGeneralOpen38.Electrical Diagrams > Lighting and Horns > Glove Box LampGeneralOpen39.Electrical Diagrams > Lighting and Horns > Hazard Flasher RelayGeneralOpen40.Electrical Diagrams > Lighting and Horns > Hazard Warning SwitchGeneralOpen41.Electrical Diagrams > Lighting and Horns > Headlamp > Headlamp Alignment Actuator > DRL, Headlamps, HID Lamps, Auto Beam Adjust & Fog Light (Canada)GeneralOpen42.Electrical Diagrams > Lighting and Horns > Headlamp > Headlamp Alignment Actuator > Headlights, HID Headlamps, Auto Beam Adjusting & Fog LightsGeneralOpen43.Electrical Diagrams > Lighting and Horns > Headlamp > Headlamp Alignment Control Module > DRL, Headlamps, HID Lamps, Auto Beam Adjust & Fog Light (Canada)GeneralOpen44.Electrical Diagrams > Lighting and Horns > Headlamp > Headlamp Alignment Control Module > Headlights, HID Headlamps, Auto Beam Adjusting & Fog LightsGeneralOpen45.Electrical Diagrams > Lighting and Horns > Headlamp > Headlamp Alignment Sensor > DRL, Headlamps, HID Lamps, Auto Beam Adjust & Fog Light (Canada)GeneralOpen46.Electrical Diagrams > Lighting and Horns > Headlamp > Headlamp Alignment Sensor > Headlights, HID Headlamps, Auto Beam Adjusting & Fog LightsGeneralOpen47.Electrical Diagrams > Lighting and Horns > Headlamp > Headlamp Dimmer SwitchGeneralOpen48.Electrical Diagrams > Lighting and Horns > Headlamp > Headlamp Igniter Module > DRL, Headlamps, HID Lamps, Auto Beam Adjust & Fog Light (Canada)GeneralOpen

Parts & Tools for This Job

Common parts shoppers buy for 2001 Audi A4 Quattro Sedan Body Electrical.

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Assorted Fuses

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Relays

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Digital Multimeter

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Wire Repair Kit

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2001 Audi A4 Quattro Sedan Repair HubExact Vehicle · Backbone

Open the exact vehicle hub for this wiring page to move into repair, manual, and code clusters without leaving the 2001 Audi A4 Quattro Sedan context.

OEM Manual Evidence

Browse →
2001 Audi A4 Quattro Sedan Output Diagnostic Test Mode (Function 03)OEM Manual

Output Diagnostic Test Mode (Function 03) — 2001 Audi A4 Quattro Sedan (8D2) L4-1.8L Turbo (AWM) Service Manual ~ LEMON Manuals LEMON Manua...

2001 Audi A4 Quattro Sedan Output Diagnostic Test Mode (Function 03)OEM Manual

Output Diagnostic Test Mode (Function 03) — 2001 Audi A4 Quattro Sedan (8D2) V6-2.8L (ATQ) Service Manual ~ LEMON Manuals LEMON Manuals: Re...

2001 Audi A4 Quattro Sedan 57 Remote Control Key Inoperative (GROUP 57, NO. 17-38)OEM Manual

57 Remote Control Key Inoperative (GROUP 57, NO. 17-38) — 2001 Audi A4 Avant Quattro, 1.8 C, Automatic Service Manual ~ LEMON Manuals LEMON...

2001 Audi A4 Quattro Sedan 57 Remote Control Key Inoperative (GROUP 57, NO. 17-38)OEM Manual

57 Remote Control Key Inoperative (GROUP 57, NO. 17-38) — 2001 Audi A4 Avant Quattro, 1.8 C, Automatic Service Manual ~ LEMON Manuals LEMON...

Likely Trouble Codes for This System

Browse →
B1318: Battery Voltage LowCode

Body/Electrical code commonly seen during body electrical diagnosis.

U0140: Lost Communication with Body Control ModuleCode

Network/Communication code commonly seen during body electrical diagnosis.

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Same System, Other Vehicles

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