Wiring Diagram Cluster

1991 Audi 90 Quattro 20V Power Window Wiring Diagram

Find power window motor circuits, master switch wiring, window lock relay paths, and regulator control schematics.

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Matched Diagrams

45

Variant Used

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

Total Vehicle Diagrams

1113

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1991 Audi 90 Quattro 20V Basic Electricity

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 Basic Electricity →
1991 Audi 90 Quattro 20V Checking For Short Circuit to Ground1991 Audi 90 Quattro 20V Checking For Voltage1991 Audi 90 Quattro 20V Checking Ground Connections

Diagnostic signal

Codes Often Seen With This System

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

P0172: System Too Rich (Bank 1) →
P0193: Fuel Rail Pressure Sensor Circuit HighP0563: System Voltage High

Top Power Windows Diagram Paths

1.Windows > Power Window Motor — Diagnostic Aids > Basic ElectricityWindows and GlassOpen2.Windows > Power Window Motor — Diagnostic Aids > Checking For Short Circuit to GroundWindows and GlassOpen3.Windows > Power Window Motor — Diagnostic Aids > Checking For VoltageWindows and GlassOpen4.Windows > Power Window Motor — Diagnostic Aids > Checking Ground ConnectionsWindows and GlassOpen5.Windows > Power Window Motor — Diagnostic Aids > Checking Wiring and ComponentsWindows and GlassOpen6.Windows > Power Window Motor — Diagnostic Aids > Trouble Shooting ProcedureWindows and GlassOpen7.Windows > Power Window Motor — Diagnostic Aids > Working on the Electrical SystemWindows and GlassOpen8.Windows > Power Window Motor — Diagram Information and Instructions > Connector IndexWindows and GlassOpen9.Windows > Power Window Motor — Diagram Information and Instructions > General Information > Circuit SectionsWindows and GlassOpen10.Windows > Power Window Motor — Diagram Information and Instructions > General Information > Handling Components and ConnectorsWindows and GlassOpen11.Windows > Power Window Motor — Diagram Information and Instructions > Ground ConnectionsWindows and GlassOpen12.Windows > Power Window Motor — Diagram Information and Instructions > How to Read Displayed Page of Wiring Diagram, Important Stuff!Windows and GlassOpen13.Windows > Power Window Motor — Diagram Information and Instructions > Positive (+) ConnectionsWindows and GlassOpen14.Windows > Power Window Motor — Diagram Information and Instructions > Symbols Used in Wiring DiagramsWindows and GlassOpen15.Windows > Power Window Motor — Diagram Information and Instructions > Understanding Track Style Wiring Diagrams, Important Stuff!Windows and GlassOpen16.Windows > Power Window Motor — Diagram Information and Instructions > Wire Color Code IdentificationWindows and GlassOpen17.Windows > Power Window Motor — Diagram Information and Instructions > Wire Size ConversionWindows and GlassOpen18.Windows > Power Window Motor — Diagram Information and Instructions > Wiring Diagram Circuit IdentificationWindows and GlassOpen19.Windows > Power Window Motor — Electrical DiagramsWindows and GlassOpen20.Electrical Diagrams > Windows > Power Window MotorGeneralOpen21.Electrical Diagrams > Windows > Power Window SwitchGeneralOpen22.Windows — Connector ViewsWindows and GlassOpen23.Windows — Diagnostic Aids > Basic ElectricityWindows and GlassOpen24.Windows — Diagnostic Aids > Checking For Short Circuit to GroundWindows and GlassOpen25.Windows — Diagnostic Aids > Checking For VoltageWindows and GlassOpen26.Windows — Diagnostic Aids > Checking Ground ConnectionsWindows and GlassOpen27.Windows — Diagnostic Aids > Checking Wiring and ComponentsWindows and GlassOpen28.Windows — Diagnostic Aids > Trouble Shooting ProcedureWindows and GlassOpen29.Windows — Diagnostic Aids > Working on the Electrical SystemWindows and GlassOpen30.Windows — Diagram Information and Instructions > Connector IndexWindows and GlassOpen31.Windows — Diagram Information and Instructions > General Information > Circuit SectionsWindows and GlassOpen32.Windows — Diagram Information and Instructions > General Information > Handling Components and ConnectorsWindows and GlassOpen33.Windows — Diagram Information and Instructions > Ground ConnectionsWindows and GlassOpen34.Windows — Diagram Information and Instructions > How to Read Displayed Page of Wiring Diagram, Important Stuff!Windows and GlassOpen35.Windows — Diagram Information and Instructions > Positive (+) ConnectionsWindows and GlassOpen36.Windows — Diagram Information and Instructions > Symbols Used in Wiring DiagramsWindows and GlassOpen37.Windows — Diagram Information and Instructions > Understanding Track Style Wiring Diagrams, Important Stuff!Windows and GlassOpen38.Windows — Diagram Information and Instructions > Wire Color Code IdentificationWindows and GlassOpen39.Windows — Diagram Information and Instructions > Wire Size ConversionWindows and GlassOpen40.Windows — Diagram Information and Instructions > Wiring Diagram Circuit IdentificationWindows and GlassOpen41.Windows — Electrical DiagramsWindows and GlassOpen42.Electrical Diagrams > Windows > Power Window Control ModuleGeneralOpen43.Connector Views > WindowsGeneralOpen44.Electrical Diagrams > Heated Glass ElementGeneralOpen45.Electrical Diagrams > Windows > System DiagramGeneralOpen

Parts & Tools for This Job

Common parts shoppers buy for 1991 Audi 90 Quattro 20V Power Windows.

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Digital Multimeter

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1991 Audi 90-quattro-20v Repair HubExact Vehicle · Backbone

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OEM Manual Evidence

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1991 Audi 90 Quattro 20V Basic ElectricityOEM Manual

Basic Electricity — 1991 Audi 90 Quattro 20V L5-2309cc 2.3L DOHC (7A) Service Manual ~ LEMON Manuals LEMON Manuals: Repair Knowledge Reimag...

1991 Audi 90 Quattro 20V Checking For Short Circuit to GroundOEM Manual

Checking For Short Circuit to Ground — 1991 Audi 90 Quattro 20V L5-2309cc 2.3L DOHC (7A) Service Manual ~ LEMON Manuals LEMON Manuals: Repa...

1991 Audi 90 Quattro 20V Checking For VoltageOEM Manual

Checking For Voltage — 1991 Audi 90 Quattro 20V L5-2309cc 2.3L DOHC (7A) Service Manual ~ LEMON Manuals LEMON Manuals: Repair Knowledge Rei...

1991 Audi 90 Quattro 20V Checking Ground ConnectionsOEM Manual

Checking Ground Connections — 1991 Audi 90 Quattro 20V L5-2309cc 2.3L DOHC (7A) Service Manual ~ LEMON Manuals LEMON Manuals: Repair Knowle...

Likely Trouble Codes for This System

Browse →
P0172: System Too Rich (Bank 1)Code

Fuel code commonly seen during power windows diagnosis.

P0193: Fuel Rail Pressure Sensor Circuit HighCode

Fuel code commonly seen during power windows diagnosis.

P0563: System Voltage HighCode

Electrical code commonly seen during power windows diagnosis.

More 90 Quattro 20V Wiring Pages

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