Wiring Diagram Cluster

1991 Audi 90 Quattro 20V Wiper & Washer Wiring Diagram

Find wiper motor circuits, intermittent relay wiring, washer pump paths, and rain sensor schematics.

Matched Diagrams

24

Variant Used

90 Quattro 20V L5-2309cc 2.3L DOHC (7A)

Total Vehicle Diagrams

1113

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Vehicle Repair Hub

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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.

1991 Audi 90 Quattro 20V Checking For Short Circuit to Ground β†’

Diagnostic signal

Codes Often Seen With This System

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

P0121: Throttle Position Sensor A Range/Performance β†’

Top Wipers Diagram Paths

1.Electrical Diagrams > Wiper and Washer Systems > Windshield Washer PumpGeneralOpen2.Electrical Diagrams > Wiper and Washer Systems > Headlamp Washer PumpGeneralOpen3.Electrical Diagrams > Wiper and Washer Systems > System DiagramGeneralOpen4.Electrical Diagrams > Wiper and Washer Systems > Wiper MotorGeneralOpen5.Electrical Diagrams > Wiper and Washer Systems > Wiper SwitchGeneralOpen6.Diagnostic Aids > Basic ElectricityWiper and Washer SystemsOpen7.Diagnostic Aids > Checking For Short Circuit to GroundWiper and Washer SystemsOpen8.Diagnostic Aids > Checking For VoltageWiper and Washer SystemsOpen9.Diagnostic Aids > Checking Ground ConnectionsWiper and Washer SystemsOpen10.Diagnostic Aids > Checking Wiring and ComponentsWiper and Washer SystemsOpen11.Diagnostic Aids > Trouble Shooting ProcedureWiper and Washer SystemsOpen12.Diagnostic Aids > Working on the Electrical SystemWiper and Washer SystemsOpen13.Diagram Information and Instructions > Connector IndexWiper and Washer SystemsOpen14.Diagram Information and Instructions > General Information > Circuit SectionsWiper and Washer SystemsOpen15.Diagram Information and Instructions > General Information > Handling Components and ConnectorsWiper and Washer SystemsOpen16.Diagram Information and Instructions > Ground ConnectionsWiper and Washer SystemsOpen17.Diagram Information and Instructions > How to Read Displayed Page of Wiring Diagram, Important Stuff!Wiper and Washer SystemsOpen18.Diagram Information and Instructions > Positive (+) ConnectionsWiper and Washer SystemsOpen19.Diagram Information and Instructions > Symbols Used in Wiring DiagramsWiper and Washer SystemsOpen20.Diagram Information and Instructions > Understanding Track Style Wiring Diagrams, Important Stuff!Wiper and Washer SystemsOpen21.Diagram Information and Instructions > Wire Color Code IdentificationWiper and Washer SystemsOpen22.Diagram Information and Instructions > Wire Size ConversionWiper and Washer SystemsOpen23.Diagram Information and Instructions > Wiring Diagram Circuit IdentificationWiper and Washer SystemsOpen24.Electrical DiagramsWiper and Washer SystemsOpen

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