Wiring Diagram Cluster

1993 Audi 90CS Quattro A/C & Heater Wiring Diagram

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

Matched Diagrams

48

Variant Used

90CS Quattro V6-2.8L (AAH)

Total Vehicle Diagrams

369

πŸ€– 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 βž”

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 1993 Audi 90CS Quattro hub with repairs, specs, codes, and other systems already tied to this car.

View vehicle repair hub β†’

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.

1993 Audi 90CS Quattro A L L Diagnostic Trouble Codes ( DTC ) β†’

Stay in wiring

More System Pages for This Vehicle

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

Headlight Wiring Diagram β†’

Top A/C & Heater Diagram Paths

1.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Automatic Climate Control > From VIN 8 CPA 000100 > Component Location By Track NumberGeneralOpen2.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Automatic Climate Control > From VIN 8 CPA 000100 > Diagrams By Track Number > Tracks 1 - 10GeneralOpen3.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Automatic Climate Control > From VIN 8 CPA 000100 > Diagrams By Track Number > Tracks 11 - 21GeneralOpen4.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Automatic Climate Control > From VIN 8 CPA 000100 > Diagrams By Track Number > Tracks 22 - 35GeneralOpen5.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Automatic Climate Control > From VIN 8 CPA 000100 > Diagrams By Track Number > Tracks 36 - 49GeneralOpen6.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Automatic Climate Control > Up to VIN 8 CPA 000100 > Component Location By Track NumberGeneralOpen7.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Automatic Climate Control > Up to VIN 8 CPA 000100 > Diagrams By Track Number > Tracks 1 - 14GeneralOpen8.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Automatic Climate Control > Up to VIN 8 CPA 000100 > Diagrams By Track Number > Tracks 15 - 28GeneralOpen9.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Automatic Climate Control > Up to VIN 8 CPA 000100 > Diagrams By Track Number > Tracks 29 - 42GeneralOpen10.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Automatic Climate Control > Up to VIN 8 CPA 000100 > Diagrams By Track Number > Tracks 43 - 56GeneralOpen11.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Automatic Climate Control > Up to VIN 8 CPA 000100 > Diagrams By Track Number > Tracks 57 - 70GeneralOpen12.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Automatic Climate Control > Up to VIN 8 CPA 000100 > Diagrams By Track Number > Tracks 71 - 84GeneralOpen13.Electrical Diagrams > Automatic Climate Control > From VIN 8 CPA 000100 > Component Location By Track NumberHeating and Air ConditioningOpen14.Electrical Diagrams > Automatic Climate Control > From VIN 8 CPA 000100 > Diagrams By Track Number > Tracks 1 - 10Heating and Air ConditioningOpen15.Electrical Diagrams > Automatic Climate Control > From VIN 8 CPA 000100 > Diagrams By Track Number > Tracks 11 - 21Heating and Air ConditioningOpen16.Electrical Diagrams > Automatic Climate Control > From VIN 8 CPA 000100 > Diagrams By Track Number > Tracks 22 - 35Heating and Air ConditioningOpen17.Electrical Diagrams > Automatic Climate Control > From VIN 8 CPA 000100 > Diagrams By Track Number > Tracks 36 - 49Heating and Air ConditioningOpen18.Electrical Diagrams > Automatic Climate Control > Up to VIN 8 CPA 000100 > Component Location By Track NumberHeating and Air ConditioningOpen19.Electrical Diagrams > Automatic Climate Control > Up to VIN 8 CPA 000100 > Diagrams By Track Number > Tracks 1 - 14Heating and Air ConditioningOpen20.Electrical Diagrams > Automatic Climate Control > Up to VIN 8 CPA 000100 > Diagrams By Track Number > Tracks 15 - 28Heating and Air ConditioningOpen21.Electrical Diagrams > Automatic Climate Control > Up to VIN 8 CPA 000100 > Diagrams By Track Number > Tracks 29 - 42Heating and Air ConditioningOpen22.Electrical Diagrams > Automatic Climate Control > Up to VIN 8 CPA 000100 > Diagrams By Track Number > Tracks 43 - 56Heating and Air ConditioningOpen23.Electrical Diagrams > Automatic Climate Control > Up to VIN 8 CPA 000100 > Diagrams By Track Number > Tracks 57 - 70Heating and Air ConditioningOpen24.Electrical Diagrams > Automatic Climate Control > Up to VIN 8 CPA 000100 > Diagrams By Track Number > Tracks 71 - 84Heating and Air ConditioningOpen25.Electrical Diagrams > Manual Air Conditioning > From VIN 8 CPA 000100 > Component Location By Track NumberHeating and Air ConditioningOpen26.Electrical Diagrams > Manual Air Conditioning > From VIN 8 CPA 000100 > Diagrams By Track Number > Tracks 1-14Heating and Air ConditioningOpen27.Electrical Diagrams > Manual Air Conditioning > From VIN 8 CPA 000100 > Diagrams By Track Number > Tracks 15-25Heating and Air ConditioningOpen28.Electrical Diagrams > Manual Air Conditioning > From VIN 8 CPA 000100 > Diagrams By Track Number > Tracks 26-38Heating and Air ConditioningOpen29.Electrical Diagrams > Manual Air Conditioning > Up to VIN 8 CPA 000100 > Component Location By Track NumberHeating and Air ConditioningOpen30.Electrical Diagrams > Manual Air Conditioning > Up to VIN 8 CPA 000100 > Diagrams By Track Number > Tracks 1 - 14Heating and Air ConditioningOpen31.Electrical Diagrams > Manual Air Conditioning > Up to VIN 8 CPA 000100 > Diagrams By Track Number > Tracks 15 - 28Heating and Air ConditioningOpen32.Electrical Diagrams > Manual Air Conditioning > Up to VIN 8 CPA 000100 > Diagrams By Track Number > Tracks 29 - 42Heating and Air ConditioningOpen33.Electrical Diagrams > Manual Air Conditioning > Up to VIN 8 CPA 000100 > Diagrams By Track Number > Tracks 43 - 56Heating and Air ConditioningOpen34.Electrical Diagrams > Door Lock Heater > From VIN 8CPA000100 > Component Location By Track NumberGeneralOpen35.Electrical Diagrams > Door Lock Heater > From VIN 8CPA000100 > Diagrams By Track NumberGeneralOpen36.Electrical Diagrams > Door Lock Heater > Up to VIN 8CPA000100 > Component Location By Track NumberGeneralOpen37.Electrical Diagrams > Door Lock Heater > Up to VIN 8CPA000100 > Diagrams By Track NumberGeneralOpen38.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Automatic Climate Control > From VIN 8 CPA 000100 > Fuse/Relay PanelGeneralOpen39.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Automatic Climate Control > Up to VIN 8 CPA 000100 > Connectors and PlugsGeneralOpen40.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Automatic Climate Control > Up to VIN 8 CPA 000100 > Fuse/Relay PanelGeneralOpen41.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Automatic Climate Control > Up to VIN 8 CPA 000100 > Ground ConnectionsGeneralOpen42.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Automatic Climate Control > Up to VIN 8 CPA 000100 > Welded Harness Points (Splices)GeneralOpen43.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Manual Air Conditioning > From VIN 8 CPA 000100 > Component Location By Track NumberGeneralOpen44.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Manual Air Conditioning > From VIN 8 CPA 000100 > Diagrams By Track Number > Tracks 1-14GeneralOpen45.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Manual Air Conditioning > From VIN 8 CPA 000100 > Diagrams By Track Number > Tracks 15-25GeneralOpen46.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Manual Air Conditioning > From VIN 8 CPA 000100 > Diagrams By Track Number > Tracks 26-38GeneralOpen47.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Manual Air Conditioning > Up to VIN 8 CPA 000100 > Component Location By Track NumberGeneralOpen48.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Manual Air Conditioning > Up to VIN 8 CPA 000100 > Diagrams By Track Number > Tracks 1 - 14GeneralOpen

Parts & Tools for This Job

Common parts shoppers buy for 1993 Audi 90CS Quattro A/C & Heater.

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

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.

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.