Wiring Diagram Cluster

2003 Honda Civic Headlight Wiring Diagram

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

Matched Diagrams

48

Variant Used

Civic L4-1.3L Hybrid

Total Vehicle Diagrams

2293

From Diagram To Fix

Use this wiring page as the jump point, not the dead end

Open the exact diagram, then move directly into the vehicle hub, the repair most likely tied to this system, or the code cluster that usually shows up with it.

Keep context

Vehicle Repair Hub

Step out of raw diagrams and into the full 2003 Honda Civic hub with repairs, specs, codes, and other systems already tied to this car.

View vehicle repair hub β†’

Likely fix path

Exact Repair Guides

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

Headlight Bulb Replacement β†’

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 β†’

Top Headlight Diagram Paths

1.Electrical Diagrams > Lighting and Horns > Headlamp > Headlights (Canada)GeneralOpen2.Electrical Diagrams > Lighting and Horns > Headlamp > Headlights (USA)GeneralOpen3.Headlamp β€” Electrical Diagrams > Headlights (Canada)Lighting and HornsOpen4.Headlamp β€” Electrical Diagrams > Headlights (USA)Lighting and HornsOpen5.Connector Views > Headlamp > Low Beam Check RelayGeneralOpen6.Connector Views > Headlamp > Low Beam RelayGeneralOpen7.Electrical Diagrams > Lighting and Horns > Daytime Running LampGeneralOpen8.Daytime Running Lamp β€” Diagnostic Aids > Five-Step TroubleshootingLighting and HornsOpen9.Daytime Running Lamp β€” Diagnostic Aids > General Troubleshooting InformationLighting and HornsOpen10.Daytime Running Lamp β€” Diagnostic Aids > IMA System Service PrecautionsLighting and HornsOpen11.Daytime Running Lamp β€” Diagnostic Aids > Terminal Replacement Procedures > Checking For Poor Fit of TerminalsLighting and HornsOpen12.Daytime Running Lamp β€” Diagnostic Aids > Terminal Replacement Procedures > How to Install New TerminalsLighting and HornsOpen13.Daytime Running Lamp β€” Diagnostic Aids > Terminal Replacement Procedures > How to Install Pigtail TerminalsLighting and HornsOpen14.Daytime Running Lamp β€” Diagnostic Aids > Terminal Replacement Procedures > How to Replace Connector TerminalsLighting and HornsOpen15.Daytime Running Lamp β€” Diagnostic Aids > Terminal Replacement Procedures > Pigtail Terminal Selection ChartLighting and HornsOpen16.Daytime Running Lamp β€” Diagnostic Aids > Test EquipmentLighting and HornsOpen17.Daytime Running Lamp β€” Diagnostic Aids > Troubleshooting TestsLighting and HornsOpen18.Daytime Running Lamp β€” Diagram Information and Instructions > Circuit SchematicsLighting and HornsOpen19.Daytime Running Lamp β€” Diagram Information and Instructions > Ground Distribution SchematicsLighting and HornsOpen20.Daytime Running Lamp β€” Diagram Information and Instructions > How to Identify Connector TerminalsLighting and HornsOpen21.Daytime Running Lamp β€” Diagram Information and Instructions > Power Distribution SchematicsLighting and HornsOpen22.Daytime Running Lamp β€” Diagram Information and Instructions > Symbols > ComponentsLighting and HornsOpen23.Daytime Running Lamp β€” Diagram Information and Instructions > Symbols > Connectors - "C"Lighting and HornsOpen24.Daytime Running Lamp β€” Diagram Information and Instructions > Symbols > DiodesLighting and HornsOpen25.Daytime Running Lamp β€” Diagram Information and Instructions > Symbols > FusesLighting and HornsOpen26.Daytime Running Lamp β€” Diagram Information and Instructions > Symbols > Ground - "G"Lighting and HornsOpen27.Daytime Running Lamp β€” Diagram Information and Instructions > Symbols > Light Emitting Diode (LED)Lighting and HornsOpen28.Daytime Running Lamp β€” Diagram Information and Instructions > Symbols > MotorLighting and HornsOpen29.Daytime Running Lamp β€” Diagram Information and Instructions > Symbols > Pressure SensorLighting and HornsOpen30.Daytime Running Lamp β€” Diagram Information and Instructions > Symbols > ResistorLighting and HornsOpen31.Daytime Running Lamp β€” Diagram Information and Instructions > Symbols > ShieldingLighting and HornsOpen32.Daytime Running Lamp β€” Diagram Information and Instructions > Symbols > SolenoidLighting and HornsOpen33.Daytime Running Lamp β€” Diagram Information and Instructions > Symbols > SplicesLighting and HornsOpen34.Daytime Running Lamp β€” Diagram Information and Instructions > Symbols > SwitchesLighting and HornsOpen35.Daytime Running Lamp β€” Diagram Information and Instructions > Symbols > Terminals - "T"Lighting and HornsOpen36.Daytime Running Lamp β€” Diagram Information and Instructions > Symbols > TransistorsLighting and HornsOpen37.Daytime Running Lamp β€” Diagram Information and Instructions > Symbols > Variable ResistorLighting and HornsOpen38.Daytime Running Lamp β€” Diagram Information and Instructions > Symbols > Wire Color AbbreviationsLighting and HornsOpen39.Daytime Running Lamp β€” Diagram Information and Instructions > Symbols > WiresLighting and HornsOpen40.Daytime Running Lamp β€” Electrical DiagramsLighting and HornsOpen41.Headlamp β€” Connector ViewsLighting and HornsOpen42.Headlamp β€” Diagnostic Aids > Five-Step TroubleshootingLighting and HornsOpen43.Headlamp β€” Diagnostic Aids > General Troubleshooting InformationLighting and HornsOpen44.Headlamp β€” Diagnostic Aids > IMA System Service PrecautionsLighting and HornsOpen45.Headlamp β€” Diagnostic Aids > Terminal Replacement Procedures > Checking For Poor Fit of TerminalsLighting and HornsOpen46.Headlamp β€” Diagnostic Aids > Terminal Replacement Procedures > How to Install New TerminalsLighting and HornsOpen47.Headlamp β€” Diagnostic Aids > Terminal Replacement Procedures > How to Install Pigtail TerminalsLighting and HornsOpen48.Headlamp β€” Diagnostic Aids > Terminal Replacement Procedures > How to Replace Connector TerminalsLighting and HornsOpen