Wiring Diagram Cluster

2009 Toyota Avalon Headlight Wiring Diagram

Find headlight circuit schematics, high/low beam relay paths, DRL wiring, and ground points for lighting diagnosis.

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Matched Diagrams

48

Variant Used

Avalon V6-3.5L (2GR-FE)

Total Vehicle Diagrams

1344

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Headlight Bulb Replacement2009 Toyota Avalon A L L Diagnostic Trouble Codes ( DTC )

Likely fix path

Exact Repair Guides

These repair flows most often intersect with headlight diagnosis on this exact vehicle.

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Diagnostic signal

Codes Often Seen With This System

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

P0563: System Voltage High →

Top Headlight Diagram Paths

1.Electrical Diagrams > Lighting and Horns > Headlamp > System Diagram > HeadlightGeneralOpen2.Headlamp — Electrical Diagrams > HeadlightLighting and HornsOpen3.Electrical Diagrams > Lighting and Horns > Headlamp > Headlamp Alignment Control ModuleGeneralOpen4.Electrical Diagrams > Lighting and Horns > Headlamp > System Diagram > Automatic Light ControlGeneralOpen5.Headlamp — Connector ViewsLighting and HornsOpen6.Headlamp — Diagnostic Aids > How to Troubleshoot ECU Controlled Systems > Electronic Circuit Inspection ProcedureLighting and HornsOpen7.Headlamp — Diagnostic Aids > How to Troubleshoot ECU Controlled Systems > General InformationLighting and HornsOpen8.Headlamp — Diagnostic Aids > How to Troubleshoot ECU Controlled Systems > How To Proceed With TroubleshootingLighting and HornsOpen9.Headlamp — Diagnostic Aids > How to Troubleshoot Electrical Circuits > Continuity and Resistance CheckLighting and HornsOpen10.Headlamp — Diagnostic Aids > How to Troubleshoot Electrical Circuits > Disconnection of Male and Female ConnectorsLighting and HornsOpen11.Headlamp — Diagnostic Aids > How to Troubleshoot Electrical Circuits > Finding A Short CircuitLighting and HornsOpen12.Headlamp — Diagnostic Aids > How to Troubleshoot Electrical Circuits > How to Replace TerminalLighting and HornsOpen13.Headlamp — Diagnostic Aids > How to Troubleshoot Electrical Circuits > Voltage CheckLighting and HornsOpen14.Headlamp — Diagram Information and Instructions > Abbreviations Used Within DiagramsLighting and HornsOpen15.Headlamp — Diagram Information and Instructions > Symbols Used Within DiagramsLighting and HornsOpen16.Headlamp — Diagram Information and Instructions > Wiring Color CodesLighting and HornsOpen17.Headlamp — Electrical Diagrams > Automatic Light ControlLighting and HornsOpen18.Connector Views > A2 (Headlamp (LH High))GeneralOpen19.Connector Views > A21 (Headlamp Leveling ECU)GeneralOpen20.Connector Views > A26 (Headlamp Assembly (RH))GeneralOpen21.Connector Views > A27 (Headlamp Leveling Motor (RH))GeneralOpen22.Connector Views > A3 (Headlamp (LH Low))GeneralOpen23.Connector Views > A38 (Headlamp (RH High))GeneralOpen24.Connector Views > A39 (Headlamp (RH Low))GeneralOpen25.Connector Views > A4 (Headlamp Assembly (LH))GeneralOpen26.Connector Views > A5 (Headlamp Leveling Motor (LH))GeneralOpen27.Connector Views > Headlamp > Headlamp Alignment ActuatorGeneralOpen28.Connector Views > Headlamp > Headlamp Alignment Control ModuleGeneralOpen29.Connector Views > Headlamp > Headlamp Alignment SensorGeneralOpen30.Connector Views > Headlamp > Headlamp Dimmer SwitchGeneralOpen31.Connector Views > Headlamp > System DiagramGeneralOpen32.Connector Views > U1 (Windshield Wiper SW Assembly, Headlamp Dimmer SW Assembly)GeneralOpen33.Electrical Diagrams > Lighting and Horns > Backup LampGeneralOpen34.Electrical Diagrams > Lighting and Horns > Brake LampGeneralOpen35.Electrical Diagrams > Lighting and Horns > Courtesy LampGeneralOpen36.Electrical Diagrams > Lighting and Horns > Fog/Driving LampGeneralOpen37.Electrical Diagrams > Lighting and Horns > Hazard Warning LampsGeneralOpen38.Electrical Diagrams > Lighting and Horns > HornGeneralOpen39.Electrical Diagrams > Lighting and Horns > License Plate LampGeneralOpen40.Electrical Diagrams > Lighting and Horns > Parking LampGeneralOpen41.Electrical Diagrams > Lighting and Horns > System DiagramGeneralOpen42.Electrical Diagrams > Lighting and Horns > Tail LampGeneralOpen43.Electrical Diagrams > Lighting and Horns > Turn SignalsGeneralOpen44.Brake Lamp — Diagnostic Aids > How to Troubleshoot ECU Controlled Systems > Electronic Circuit Inspection ProcedureLighting and HornsOpen45.Brake Lamp — Diagnostic Aids > How to Troubleshoot ECU Controlled Systems > General InformationLighting and HornsOpen46.Brake Lamp — Diagnostic Aids > How to Troubleshoot ECU Controlled Systems > How To Proceed With TroubleshootingLighting and HornsOpen47.Brake Lamp — Diagnostic Aids > How to Troubleshoot Electrical Circuits > Continuity and Resistance CheckLighting and HornsOpen48.Brake Lamp — Diagnostic Aids > How to Troubleshoot Electrical Circuits > Disconnection of Male and Female ConnectorsLighting and HornsOpen

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OEM Manual Evidence

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2009 Toyota Avalon A L L Diagnostic Trouble Codes ( DTC )OEM Manual

A L L Diagnostic Trouble Codes ( DTC ) — 2009 Toyota Avalon V6-3.5L (2GR-FE) Service Manual | Operation CHARM Operation CHARM : Car repair...

2009 Toyota Avalon A L L Diagnostic Trouble Codes ( DTC )OEM Manual

A L L Diagnostic Trouble Codes ( DTC ) — 2009 Toyota Venza FWD V6-3.5L (2GR-FE) Service Manual | Operation CHARM Operation CHARM : Car repa...

2009 Toyota Avalon A L L Diagnostic Trouble Codes ( DTC )OEM Manual

A L L Diagnostic Trouble Codes ( DTC ) — 2009 Toyota Venza AWD L4-2.7L (1AR-FE) Service Manual | Operation CHARM Operation CHARM : Car repa...

2009 Toyota Avalon A L L Diagnostic Trouble Codes ( DTC )OEM Manual

A L L Diagnostic Trouble Codes ( DTC ) — 2009 Toyota Venza FWD L4-2.7L (1AR-FE) Service Manual | Operation CHARM Operation CHARM : Car repa...

Repairs That Intersect This Wiring

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2009 Toyota Avalon Headlight Bulb ReplacementRepair

Open the matching repair workflow that usually intersects with headlight diagnosis on this vehicle.

Likely Trouble Codes for This System

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P0563: System Voltage HighCode

Electrical code commonly seen during headlight diagnosis.

More Avalon Wiring Pages

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Same System, Other Vehicles

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