Wiring Diagram Cluster

2001 Audi A4 Quattro Sedan A/C & Heater Wiring Diagram

Find A/C compressor clutch wiring, blower motor circuits, temperature control module paths, and refrigerant pressure switch schematics.

Open Exact Vehicle Repair HubOpen Interactive Diagram BrowserBrowse All Wiring Diagrams

Matched Diagrams

48

Variant Used

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

Total Vehicle Diagrams

1015

🤖 Stuck on this electrical issue?

Wiring diagrams can be a maze. Ask Manuel, our factory-trained AI mechanic, to analyze this circuit or troubleshoot your specific symptom.

Ask AI Mechanic ➔

From Diagram To Fix

Use this wiring page as the jump point, not the dead end

Open the exact diagram, then move directly into the vehicle hub, the repair most likely tied to this system, or the code cluster that usually shows up with it.

Keep context

Vehicle Repair Hub

Step out of raw diagrams and into the full 2001 Audi A4 Quattro Sedan hub with repairs, specs, codes, and other systems already tied to this car.

View vehicle repair hub →
2001 Audi A4 Quattro Sedan A L L Diagnostic Trouble Codes ( DTC )

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 A L L Diagnostic Trouble Codes ( DTC ) →
2001 Audi A4 Quattro Sedan A L L Diagnostic Trouble Codes ( DTC )2001 Audi A4 Quattro Sedan About Trouble Codes2001 Audi A4 Quattro Sedan About Trouble Codes

Stay in wiring

More System Pages for This Vehicle

Move laterally into the neighboring systems that usually share the same electrical neighborhood.

Starter Wiring Diagram →
Alternator Wiring DiagramFuel Pump Wiring DiagramHeadlight Wiring Diagram

Top A/C & Heater Diagram Paths

1.Electrical Diagrams > Heating and Air Conditioning > Air Door Actuator / Motor, HVAC > From January 1999 VIN XA 200.000GeneralOpen2.Electrical Diagrams > Heating and Air Conditioning > Air Door Actuator / Motor, HVAC > From September 2000GeneralOpen3.Electrical Diagrams > Heating and Air Conditioning > Air Door Position Sensor / Switch, HVACGeneralOpen4.Electrical Diagrams > Heating and Air Conditioning > Ambient Temperature Sensor / Switch HVAC > Fresh Air Intake Temperature SensorGeneralOpen5.Electrical Diagrams > Heating and Air Conditioning > Ambient Temperature Sensor / Switch HVAC > Outside Air Temperature SensorGeneralOpen6.Electrical Diagrams > Heating and Air Conditioning > Control Assembly, HVAC > From January 1999 VIN XA 200.000GeneralOpen7.Electrical Diagrams > Heating and Air Conditioning > Control Assembly, HVAC > From September 2000GeneralOpen8.Electrical Diagrams > Heating and Air Conditioning > Control Module HVAC > From January 1999 VIN XA 200.000GeneralOpen9.Electrical Diagrams > Heating and Air Conditioning > Control Module HVAC > From September 2000GeneralOpen10.Electrical Diagrams > Heating and Air Conditioning > Discharge Air Temperature Sensor / Switch, HVACGeneralOpen11.Electrical Diagrams > Heating and Air Conditioning > Refrigerant Pressure Sensor / Switch, HVAC > From January 1999 VIN XA 200.000GeneralOpen12.Electrical Diagrams > Heating and Air Conditioning > Refrigerant Pressure Sensor / Switch, HVAC > From September 2000GeneralOpen13.Vacuum and Vapor Hose Diagrams > Heating and Air Conditioning > Air Door Actuator / Motor, HVACGeneralOpen14.Vacuum and Vapor Hose Diagrams > Heating and Air Conditioning > Vacuum Reservoir HVACGeneralOpen15.Sensors and Switches - HVAC > Refrigerant Pressure Sensor / Switch — Diagram Information and Instructions > Circuit and Terminal DesignationsHeating and Air ConditioningOpen16.Sensors and Switches - HVAC > Refrigerant Pressure Sensor / Switch — Diagram Information and Instructions > Explanation For Troubleshooting ProceduresHeating and Air ConditioningOpen17.Sensors and Switches - HVAC > Refrigerant Pressure Sensor / Switch — Diagram Information and Instructions > How to Read Displayed Page of Wiring DiagramHeating and Air ConditioningOpen18.Sensors and Switches - HVAC > Refrigerant Pressure Sensor / Switch — Diagram Information and Instructions > Symbols Used In Wiring DiagramsHeating and Air ConditioningOpen19.Sensors and Switches - HVAC > Refrigerant Pressure Sensor / Switch — Diagram Information and Instructions > Wire Color Code IdentificationHeating and Air ConditioningOpen20.Sensors and Switches - HVAC > Refrigerant Pressure Sensor / Switch — Diagram Information and Instructions > Wire Size ConversionHeating and Air ConditioningOpen21.Sensors and Switches - HVAC > Refrigerant Pressure Sensor / Switch — Diagram Information and Instructions > Wiring Diagram LayoutHeating and Air ConditioningOpen22.Sensors and Switches - HVAC > Refrigerant Pressure Sensor / Switch — Electrical Diagrams > From January 1999 VIN XA 200.000Heating and Air ConditioningOpen23.Sensors and Switches - HVAC > Refrigerant Pressure Sensor / Switch — Electrical Diagrams > From September 2000Heating and Air ConditioningOpen24.Electrical Diagrams > Heating and Air Conditioning > Blower Motor > From January 1999 VIN XA 200.000GeneralOpen25.Electrical Diagrams > Heating and Air Conditioning > Blower Motor > From September 2000GeneralOpen26.Electrical Diagrams > Heating and Air Conditioning > Blower Motor Relay > From January 1999 VIN XA 200.000GeneralOpen27.Electrical Diagrams > Heating and Air Conditioning > Blower Motor Relay > From September 2000GeneralOpen28.Electrical Diagrams > Heating and Air Conditioning > Compressor Clutch > From January 1999 VIN XA 200.000GeneralOpen29.Electrical Diagrams > Heating and Air Conditioning > Compressor Clutch > From September 2000GeneralOpen30.Electrical Diagrams > Heating and Air Conditioning > Compressor Clutch Relay > From January 1999 VIN XA 200.000GeneralOpen31.Electrical Diagrams > Heating and Air Conditioning > Compressor Clutch Relay > From September 2000GeneralOpen32.Electrical Diagrams > Heating and Air Conditioning > System Diagram > From January 1999 VIN XA 200.000 > Diagram 66/01 (Track 1-9)GeneralOpen33.Electrical Diagrams > Heating and Air Conditioning > System Diagram > From January 1999 VIN XA 200.000 > Diagram 66/02 (Track 10-22)GeneralOpen34.Electrical Diagrams > Heating and Air Conditioning > System Diagram > From January 1999 VIN XA 200.000 > Diagram 66/03 (Track 23-35)GeneralOpen35.Electrical Diagrams > Heating and Air Conditioning > System Diagram > From January 1999 VIN XA 200.000 > Diagram 66/04 (Track 36-48)GeneralOpen36.Electrical Diagrams > Heating and Air Conditioning > System Diagram > From January 1999 VIN XA 200.000 > Diagram 66/05 (Track 49-58)GeneralOpen37.Electrical Diagrams > Heating and Air Conditioning > System Diagram > From September 2000 > Diagram 08/02 (Track 1-14)GeneralOpen38.Electrical Diagrams > Heating and Air Conditioning > System Diagram > From September 2000 > Diagram 08/03 (Track 15-28)GeneralOpen39.Electrical Diagrams > Heating and Air Conditioning > System Diagram > From September 2000 > Diagram 08/04 (Track 29-42)GeneralOpen40.Electrical Diagrams > Heating and Air Conditioning > System Diagram > From September 2000 > Diagram 08/05 (Track 43-56)GeneralOpen41.Electrical Diagrams > Heating and Air Conditioning > System Diagram > From September 2000 > Diagram 08/06 (Track 57-70)GeneralOpen42.Electrical Diagrams > Heating and Air Conditioning > System Diagram > From September 2000 > Diagram 08/07 (Track 71-84)GeneralOpen43.Electrical Diagrams > Heating and Air Conditioning > System Diagram > From September 2000 > Diagram 08/08 (Track 85-98)GeneralOpen44.Electrical Diagrams > Heating and Air Conditioning > System Diagram > From September 2000 > Diagram 08/09 (Track 99-112)GeneralOpen45.Electrical Diagrams > Heating and Air Conditioning > System Diagram > From September 2000 > Diagram 08/10 (Track 113-126)GeneralOpen46.Sensors and Switches - HVAC > Refrigerant Pressure Sensor / Switch — Diagram Information and Instructions > Circuit and Terminal DesignationsSensors and SwitchesOpen47.Sensors and Switches - HVAC > Refrigerant Pressure Sensor / Switch — Diagram Information and Instructions > Explanation For Troubleshooting ProceduresSensors and SwitchesOpen48.Sensors and Switches - HVAC > Refrigerant Pressure Sensor / Switch — Diagram Information and Instructions > How to Read Displayed Page of Wiring DiagramSensors and SwitchesOpen

Parts & Tools for This Job

Common parts shoppers buy for 2001 Audi A4 Quattro Sedan A/C & Heater.

part

AC Compressor

Shop Amazon→

part

Blower Motor

Shop Amazon→

part

Blower Resistor

Shop Amazon→

part

Cabin Air Filter

Shop Amazon→

As an Amazon Associate, AllOEMManuals earns from qualifying purchases. Prices and availability may vary.

Exact Vehicle Hub

Browse →
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 A L L Diagnostic Trouble Codes ( DTC )OEM Manual

A L L Diagnostic Trouble Codes ( DTC ) — 2001 Audi A4 Quattro Sedan (8D2) L4-1.8L Turbo (AWM) Service Manual ~ LEMON Manuals LEMON Manuals:...

2001 Audi A4 Quattro Sedan A L L Diagnostic Trouble Codes ( DTC )OEM Manual

A L L Diagnostic Trouble Codes ( DTC ) — 2001 Audi A4 Quattro Sedan (8D2) V6-2.8L (ATQ) Service Manual ~ LEMON Manuals LEMON Manuals: Repai...

2001 Audi A4 Quattro Sedan About Trouble CodesOEM Manual

About Trouble Codes — 2001 Audi A4 Quattro Sedan (8D2) L4-1.8L Turbo (AWM) Service Manual ~ LEMON Manuals LEMON Manuals: Repair Knowledge R...

2001 Audi A4 Quattro Sedan About Trouble CodesOEM Manual

About Trouble Codes — 2001 Audi A4 Quattro Sedan (8D2) L4-1.8L Turbo (AWM) Service Manual ~ LEMON Manuals LEMON Manuals: Repair Knowledge R...

More A4 Quattro Sedan Wiring Pages

Starter Wiring DiagramAlternator Wiring DiagramFuel Pump Wiring DiagramHeadlight Wiring DiagramABS Brake Wiring DiagramPower Window Wiring DiagramInstrument Cluster Wiring DiagramWiper & Washer Wiring DiagramTransmission Wiring DiagramCruise Control Wiring DiagramAirbag SRS Wiring DiagramEngine Management Wiring DiagramBody Electrical Wiring Diagram

Same System, Other Vehicles

2010 Toyota Matrix AWD A/C & Heater Wiring Diagram2010 Toyota Matrix FWD A/C & Heater Wiring Diagram2010 Toyota Prius A/C & Heater Wiring Diagram2010 Toyota Venza AWD A/C & Heater Wiring Diagram2010 Toyota Venza FWD A/C & Heater Wiring Diagram2012 Toyota Camry A/C & Heater Wiring Diagram2012 Toyota Prius PHV A/C & Heater Wiring Diagram2012 Toyota Prius V A/C & Heater Wiring Diagram
Factory Service Tools

Turn This Into a Confident Next Step

Verify the likely fault first, then compare a quote before you approve expensive work.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

Shop Diagnostic ToolsCompare Repair QuoteQuote Shield Pro
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

Shop Manual-Ready ToolsCompare Repair QuoteQuote Shield Pro