Wiring Diagram Cluster

1994 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

48

Variant Used

90CS Quattro V6-2.8L (AAH)

Total Vehicle Diagrams

455

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1994 Audi 90CS Quattro Adjustments

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.

1994 Audi 90CS Quattro Adjustments →
1994 Audi 90CS Quattro Adjustments1994 Audi 90CS Quattro Ambient Temperature Switch1994 Audi 90CS Quattro Automatic Transmission

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 > Door Locks > Auxiliary Relay Panel > RearGeneralOpen2.Electrical Diagrams > Door Locks > Auxiliary Relay Panel > With Connector StationGeneralOpen3.Electrical Diagrams > Door Locks > Diagrams By Track NumbersGeneralOpen4.Electrical Diagrams > Door Locks > Fuse/Relay PanelGeneralOpen5.Exploded Views > Door LocksGeneralOpen6.Locks > Power Locks — Diagnostic Aids > Handling Components and ConnectorBody and FrameOpen7.Locks > Power Locks — Diagnostic Aids > Tools and Equipment > Computer Memory SaverBody and FrameOpen8.Locks > Power Locks — Diagnostic Aids > Tools and Equipment > LED Test LightBody and FrameOpen9.Locks > Power Locks — Diagnostic Aids > Tools and Equipment > Multimeter or Volt/Ohm MeterBody and FrameOpen10.Locks > Power Locks — Diagnostic Aids > Tools and Equipment > Test KitsBody and FrameOpen11.Locks > Power Locks — Diagnostic Aids > Troubleshooting Basics > Basic ElectricityBody and FrameOpen12.Locks > Power Locks — Diagnostic Aids > Troubleshooting Basics > Checking For Short Circuit to GroundBody and FrameOpen13.Locks > Power Locks — Diagnostic Aids > Troubleshooting Basics > Checking For VoltageBody and FrameOpen14.Locks > Power Locks — Diagnostic Aids > Troubleshooting Basics > Checking For Voltage DropBody and FrameOpen15.Locks > Power Locks — Diagnostic Aids > Troubleshooting Basics > Checking Ground ConnectionBody and FrameOpen16.Locks > Power Locks — Diagnostic Aids > Troubleshooting Basics > Checking Wiring and ComponentsBody and FrameOpen17.Locks > Power Locks — Diagnostic Aids > Troubleshooting Basics > ProcedureBody and FrameOpen18.Locks > Power Locks — Diagram Information and Instructions > Connector InformationBody and FrameOpen19.Locks > Power Locks — Diagram Information and Instructions > How to Use Wiring DiagramsBody and FrameOpen20.Locks > Power Locks — Diagram Information and Instructions > Standard Circuit and Terminal DesignationsBody and FrameOpen21.Locks > Power Locks — Diagram Information and Instructions > Symbols IdentificationBody and FrameOpen22.Locks > Power Locks — Diagram Information and Instructions > Wire Color Code IdentificationBody and FrameOpen23.Locks > Power Locks — Diagram Information and Instructions > Wire Size Conversion ChartBody and FrameOpen24.Locks > Power Locks — Electrical Diagrams > Auxiliary Relay Panel > RearBody and FrameOpen25.Locks > Power Locks — Electrical Diagrams > Auxiliary Relay Panel > With Connector StationBody and FrameOpen26.Locks > Power Locks — Electrical Diagrams > Diagrams By Track Numbers > Track 1 Thru 14Body and FrameOpen27.Locks > Power Locks — Electrical Diagrams > Diagrams By Track Numbers > Track 15 Thru 27Body and FrameOpen28.Locks > Power Locks — Electrical Diagrams > Diagrams By Track Numbers > Track 28 Thru 33Body and FrameOpen29.Locks > Power Locks — Electrical Diagrams > Fuse/Relay PanelBody and FrameOpen30.Locks > Power Locks — Electrical Diagrams > Wiring Diagram IndexBody and FrameOpen31.Roof and Associated Components > Sunroof / Moonroof — Diagnostic Aids > Handling Components and ConnectorBody and FrameOpen32.Roof and Associated Components > Sunroof / Moonroof — Diagnostic Aids > Tools and Equipment > Computer Memory SaverBody and FrameOpen33.Roof and Associated Components > Sunroof / Moonroof — Diagnostic Aids > Tools and Equipment > LED Test LightBody and FrameOpen34.Roof and Associated Components > Sunroof / Moonroof — Diagnostic Aids > Tools and Equipment > Multimeter or Volt/Ohm MeterBody and FrameOpen35.Roof and Associated Components > Sunroof / Moonroof — Diagnostic Aids > Tools and Equipment > Test KitsBody and FrameOpen36.Roof and Associated Components > Sunroof / Moonroof — Diagnostic Aids > Troubleshooting Basics > Basic ElectricityBody and FrameOpen37.Roof and Associated Components > Sunroof / Moonroof — Diagnostic Aids > Troubleshooting Basics > Checking For Short Circuit to GroundBody and FrameOpen38.Roof and Associated Components > Sunroof / Moonroof — Diagnostic Aids > Troubleshooting Basics > Checking For VoltageBody and FrameOpen39.Roof and Associated Components > Sunroof / Moonroof — Diagnostic Aids > Troubleshooting Basics > Checking For Voltage DropBody and FrameOpen40.Roof and Associated Components > Sunroof / Moonroof — Diagnostic Aids > Troubleshooting Basics > Checking Ground ConnectionBody and FrameOpen41.Roof and Associated Components > Sunroof / Moonroof — Diagnostic Aids > Troubleshooting Basics > Checking Wiring and ComponentsBody and FrameOpen42.Roof and Associated Components > Sunroof / Moonroof — Diagnostic Aids > Troubleshooting Basics > ProcedureBody and FrameOpen43.Roof and Associated Components > Sunroof / Moonroof — Diagram Information and Instructions > Connector InformationBody and FrameOpen44.Roof and Associated Components > Sunroof / Moonroof — Diagram Information and Instructions > How to Use Wiring DiagramsBody and FrameOpen45.Roof and Associated Components > Sunroof / Moonroof — Diagram Information and Instructions > Standard Circuit and Terminal DesignationsBody and FrameOpen46.Roof and Associated Components > Sunroof / Moonroof — Diagram Information and Instructions > Symbols IdentificationBody and FrameOpen47.Roof and Associated Components > Sunroof / Moonroof — Diagram Information and Instructions > Wire Color Code IdentificationBody and FrameOpen48.Roof and Associated Components > Sunroof / Moonroof — Diagram Information and Instructions > Wire Size Conversion ChartBody and FrameOpen

Parts & Tools for This Job

Common parts shoppers buy for 1994 Audi 90CS Quattro 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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Exact Vehicle Hub

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1994 Audi 90cs-quattro Repair HubExact Vehicle · Backbone

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OEM Manual Evidence

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1994 Audi 90CS Quattro AdjustmentsOEM Manual

Throttle Full Close Switch: Adjustments — 1994 Audi 90CS Quattro V6-2.8L (AAH) Service Manual ~ LEMON Manuals LEMON Manuals: Repair Knowled...

1994 Audi 90CS Quattro AdjustmentsOEM Manual

Throttle Full Close Switch: Adjustments — 1994 Audi 90CS Quattro V6-2.8L (AAH) Service Manual ~ LEMON Manuals LEMON Manuals: Repair Knowled...

1994 Audi 90CS Quattro Ambient Temperature SwitchOEM Manual

Ambient Temperature Switch — 1994 Audi 90CS Quattro V6-2.8L (AAH) Service Manual ~ LEMON Manuals LEMON Manuals: Repair Knowledge Reimagined...

1994 Audi 90CS Quattro Automatic TransmissionOEM Manual

Automatic Transmission — 1994 Audi 90CS Quattro V6-2.8L (AAH) Service Manual ~ LEMON Manuals LEMON Manuals: Repair Knowledge Reimagined Hom...

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

ABS Brake Wiring DiagramA/C & Heater Wiring DiagramPower Window Wiring DiagramInstrument Cluster Wiring DiagramTransmission Wiring DiagramCruise Control Wiring DiagramAirbag SRS Wiring DiagramEngine Management Wiring Diagram

Same System, Other Vehicles

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