Wiring Diagram Cluster

1993 Audi 90CS Quattro 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

30

Variant Used

90CS Quattro V6-2.8L (AAH)

Total Vehicle Diagrams

369

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1993 Audi 90CS Quattro Adjustments

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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 Adjustments →
1993 Audi 90CS Quattro Adjustments1993 Audi 90CS Quattro Adjustments1993 Audi 90CS Quattro Ambient Temperature Switch

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.Locks > Door Locks — DiagramBody and FrameOpen2.Electrical Diagrams > Door Lock Heater > From VIN 8CPA000100 > Component Location By Track NumberGeneralOpen3.Electrical Diagrams > Door Lock Heater > From VIN 8CPA000100 > Diagrams By Track NumberGeneralOpen4.Electrical Diagrams > Door Lock Heater > From VIN 8CPA000100 > Fuse/Relay PanelGeneralOpen5.Electrical Diagrams > Door Lock Heater > Up to VIN 8CPA000100 > Component Location By Track NumberGeneralOpen6.Electrical Diagrams > Door Lock Heater > Up to VIN 8CPA000100 > Connectors and PlugsGeneralOpen7.Electrical Diagrams > Door Lock Heater > Up to VIN 8CPA000100 > Diagrams By Track NumberGeneralOpen8.Electrical Diagrams > Door Lock Heater > Up to VIN 8CPA000100 > Ground ConnectionsGeneralOpen9.Exploded Views > Door LocksGeneralOpen10.Daytime Running Lamp — Diagram Information and Instructions > How to Use Wiring DiagramsLighting and HornsOpen11.Daytime Running Lamp — Diagram Information and Instructions > Standard Circuit and Terminal DesignationsLighting and HornsOpen12.Daytime Running Lamp — Diagram Information and Instructions > Symbol IdentificationLighting and HornsOpen13.Daytime Running Lamp — Diagram Information and Instructions > Wire and Connector InformationLighting and HornsOpen14.Daytime Running Lamp — Diagram Information and Instructions > Wire Color Code IdentificationLighting and HornsOpen15.Daytime Running Lamp — Electrical Diagrams > From VIN 8CPA000100 > Component Location By Track NumberLighting and HornsOpen16.Daytime Running Lamp — Electrical Diagrams > From VIN 8CPA000100 > Diagrams By Track Number > Tracks 1-12Lighting and HornsOpen17.Daytime Running Lamp — Electrical Diagrams > From VIN 8CPA000100 > Diagrams By Track Number > Tracks 13-24Lighting and HornsOpen18.Daytime Running Lamp — Electrical Diagrams > From VIN 8CPA000100 > Diagrams By Track Number > Tracks 25-35Lighting and HornsOpen19.Daytime Running Lamp — Electrical Diagrams > From VIN 8CPA000100 > Diagrams By Track Number > Tracks 36-47Lighting and HornsOpen20.Daytime Running Lamp — Electrical Diagrams > From VIN 8CPA000100 > Fuse/Relay PanelLighting and HornsOpen21.Daytime Running Lamp — Electrical Diagrams > Up to VIN 8CPA000100 > Component Location By Track NumberLighting and HornsOpen22.Daytime Running Lamp — Electrical Diagrams > Up to VIN 8CPA000100 > Connectors and PlugsLighting and HornsOpen23.Daytime Running Lamp — Electrical Diagrams > Up to VIN 8CPA000100 > Diagrams By Track Number > Tracks 1 - 14Lighting and HornsOpen24.Daytime Running Lamp — Electrical Diagrams > Up to VIN 8CPA000100 > Diagrams By Track Number > Tracks 15 - 28Lighting and HornsOpen25.Daytime Running Lamp — Electrical Diagrams > Up to VIN 8CPA000100 > Diagrams By Track Number > Tracks 29 - 42Lighting and HornsOpen26.Daytime Running Lamp — Electrical Diagrams > Up to VIN 8CPA000100 > Diagrams By Track Number > Tracks 43 - 56Lighting and HornsOpen27.Daytime Running Lamp — Electrical Diagrams > Up to VIN 8CPA000100 > Fuse/Relay PanelLighting and HornsOpen28.Daytime Running Lamp — Electrical Diagrams > Up to VIN 8CPA000100 > Ground ConnectionsLighting and HornsOpen29.Daytime Running Lamp — Electrical Diagrams > Up to VIN 8CPA000100 > Welded Harness Points (Splices)Lighting and HornsOpen30.Roof and Associated Components > Sunroof / Moonroof — DiagramBody and FrameOpen

Parts & Tools for This Job

Common parts shoppers buy for 1993 Audi 90CS Quattro Body Electrical.

part

Assorted Fuses

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Relays

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Digital Multimeter

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Wire Repair Kit

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1993 Audi 90cs-quattro Repair HubExact Vehicle · Backbone

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OEM Manual Evidence

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1993 Audi 90CS Quattro AdjustmentsOEM Manual

Throttle Full Close Switch: Adjustments — 1993 Audi 90CS Quattro V6-2.8L (AAH) Service Manual ~ LEMON Manuals LEMON Manuals: Repair Knowled...

1993 Audi 90CS Quattro AdjustmentsOEM Manual

Throttle Full Close Switch: Adjustments — 1993 Audi 90CS Quattro V6-2.8L (AAH) Service Manual ~ LEMON Manuals LEMON Manuals: Repair Knowled...

1993 Audi 90CS Quattro AdjustmentsOEM Manual

Idle Speed: Adjustments — 1993 Audi 90CS Quattro V6-2.8L (AAH) Service Manual ~ LEMON Manuals LEMON Manuals: Repair Knowledge Reimagined Ho...

1993 Audi 90CS Quattro Ambient Temperature SwitchOEM Manual

Ambient Temperature Switch — 1993 Audi 90CS Quattro V6-2.8L (AAH) Service Manual ~ LEMON Manuals LEMON Manuals: Repair Knowledge Reimagined...

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.

More 90CS Quattro Wiring Pages

Headlight Wiring DiagramABS Brake Wiring DiagramA/C & Heater Wiring DiagramInstrument Cluster Wiring DiagramTransmission Wiring DiagramEngine Management Wiring Diagram

Same System, Other Vehicles

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