Wiring Diagram Cluster

2003 Volvo S40 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

S40 L4-1.9L Turbo VIN 27 B4204T4

Total Vehicle Diagrams

9269

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 Volvo S40 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.Headlamp β€” Diagram Information and Instructions > Diagram Legend > 10/20 LH License Plate LightingLighting and HornsOpen2.Headlamp β€” Diagram Information and Instructions > Diagram Legend > 10/21 RH License Plate LightingLighting and HornsOpen3.Headlamp β€” Diagram Information and Instructions > Diagram Legend > 10/35 Courtesy LightingLighting and HornsOpen4.Headlamp β€” Diagram Information and Instructions > Diagram Legend > 10/36 Lighting, Vanity Mirror, Passenger SideLighting and HornsOpen5.Headlamp β€” Diagram Information and Instructions > Diagram Legend > 10/37 Glove Compartment LightingLighting and HornsOpen6.Headlamp β€” Diagram Information and Instructions > Diagram Legend > 10/38 Cargo Compartment LightingLighting and HornsOpen7.Headlamp β€” Diagram Information and Instructions > Diagram Legend > 10/41 Lighting, Cigarette LighterLighting and HornsOpen8.Headlamp β€” Diagram Information and Instructions > Diagram Legend > 10/42 Lighting, Gear Selector, Automatic TransmissionLighting and HornsOpen9.Headlamp β€” Diagram Information and Instructions > Diagram Legend > 10/44 Lighting, Heater ControlsLighting and HornsOpen10.Headlamp β€” Diagram Information and Instructions > Diagram Legend > 10/45 Lighting, Switch Unit, LightsLighting and HornsOpen11.Headlamp β€” Diagram Information and Instructions > Diagram Legend > 10/47 Lighting, Vanity Mirror, Driver's SideLighting and HornsOpen12.Headlamp β€” Diagram Information and Instructions > Diagram Legend > 10/75 Instrument LightingLighting and HornsOpen13.Headlamp β€” Diagram Information and Instructions > Diagram Legend > 10/84 LH HeadlightLighting and HornsOpen14.Headlamp β€” Diagram Information and Instructions > Diagram Legend > 10/85 RH HeadlightLighting and HornsOpen15.Headlamp β€” Diagram Information and Instructions > Diagram Legend > 10/86 LH Headlight, XenonLighting and HornsOpen16.Headlamp β€” Diagram Information and Instructions > Diagram Legend > 10/87 RH Headlight, XenonLighting and HornsOpen17.Headlamp β€” Diagram Information and Instructions > Diagram Legend > 3/22 Contact, Lighting/Alarm, Cargo CompartmentLighting and HornsOpen18.Headlamp β€” Diagram Information and Instructions > Diagram Legend > 3/3 Switch, Direction Indicators/High And Low BeamsLighting and HornsOpen19.Headlamp β€” Diagram Information and Instructions > Diagram Legend > 6/3 RH Headlight Wiper MotorLighting and HornsOpen20.Headlamp β€” Diagram Information and Instructions > Diagram Legend > 6/4 LH Headlight Wiper MotorLighting and HornsOpen21.Headlamp β€” Electrical Diagrams > High and Low Beams, Fog LightsLighting and HornsOpen22.Electrical Diagrams > Headlamp > High and Low Beams, Fog LightsGeneralOpen23.Backup Lamp β€” Diagram Information and Instructions > Diagram Legend > 10/20 LH License Plate LightingLighting and HornsOpen24.Backup Lamp β€” Diagram Information and Instructions > Diagram Legend > 10/21 RH License Plate LightingLighting and HornsOpen25.Backup Lamp β€” Diagram Information and Instructions > Diagram Legend > 10/35 Courtesy LightingLighting and HornsOpen26.Backup Lamp β€” Diagram Information and Instructions > Diagram Legend > 10/36 Lighting, Vanity Mirror, Passenger SideLighting and HornsOpen27.Backup Lamp β€” Diagram Information and Instructions > Diagram Legend > 10/37 Glove Compartment LightingLighting and HornsOpen28.Backup Lamp β€” Diagram Information and Instructions > Diagram Legend > 10/38 Cargo Compartment LightingLighting and HornsOpen29.Backup Lamp β€” Diagram Information and Instructions > Diagram Legend > 10/41 Lighting, Cigarette LighterLighting and HornsOpen30.Backup Lamp β€” Diagram Information and Instructions > Diagram Legend > 10/42 Lighting, Gear Selector, Automatic TransmissionLighting and HornsOpen31.Backup Lamp β€” Diagram Information and Instructions > Diagram Legend > 10/44 Lighting, Heater ControlsLighting and HornsOpen32.Backup Lamp β€” Diagram Information and Instructions > Diagram Legend > 10/45 Lighting, Switch Unit, LightsLighting and HornsOpen33.Backup Lamp β€” Diagram Information and Instructions > Diagram Legend > 10/47 Lighting, Vanity Mirror, Driver's SideLighting and HornsOpen34.Backup Lamp β€” Diagram Information and Instructions > Diagram Legend > 10/75 Instrument LightingLighting and HornsOpen35.Backup Lamp β€” Diagram Information and Instructions > Diagram Legend > 10/84 LH HeadlightLighting and HornsOpen36.Backup Lamp β€” Diagram Information and Instructions > Diagram Legend > 10/85 RH HeadlightLighting and HornsOpen37.Backup Lamp β€” Diagram Information and Instructions > Diagram Legend > 10/86 LH Headlight, XenonLighting and HornsOpen38.Backup Lamp β€” Diagram Information and Instructions > Diagram Legend > 10/87 RH Headlight, XenonLighting and HornsOpen39.Backup Lamp β€” Diagram Information and Instructions > Diagram Legend > 3/22 Contact, Lighting/Alarm, Cargo CompartmentLighting and HornsOpen40.Backup Lamp β€” Diagram Information and Instructions > Diagram Legend > 3/3 Switch, Direction Indicators/High And Low BeamsLighting and HornsOpen41.Backup Lamp β€” Diagram Information and Instructions > Diagram Legend > 6/3 RH Headlight Wiper MotorLighting and HornsOpen42.Backup Lamp β€” Diagram Information and Instructions > Diagram Legend > 6/4 LH Headlight Wiper MotorLighting and HornsOpen43.Courtesy Lamp β€” Diagram Information and Instructions > Diagram Legend > 10/20 LH License Plate LightingLighting and HornsOpen44.Courtesy Lamp β€” Diagram Information and Instructions > Diagram Legend > 10/21 RH License Plate LightingLighting and HornsOpen45.Courtesy Lamp β€” Diagram Information and Instructions > Diagram Legend > 10/35 Courtesy LightingLighting and HornsOpen46.Courtesy Lamp β€” Diagram Information and Instructions > Diagram Legend > 10/36 Lighting, Vanity Mirror, Passenger SideLighting and HornsOpen47.Courtesy Lamp β€” Diagram Information and Instructions > Diagram Legend > 10/37 Glove Compartment LightingLighting and HornsOpen48.Courtesy Lamp β€” Diagram Information and Instructions > Diagram Legend > 10/38 Cargo Compartment LightingLighting and HornsOpen