Wiring Diagram Cluster

2009 Scion tC 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

tC L4-2.4L (2AZ-FE)

Total Vehicle Diagrams

937

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 2009 Scion tC hub with repairs, specs, codes, and other systems already tied to this car.

View vehicle repair hub β†’

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.

2009 Scion tC Testing and Inspection 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€” Connector ViewsLighting and HornsOpen2.Headlamp β€” Diagnostic Aids > How to Troubleshoot ECU Controlled Systems > Electronic Circuit Inspection ProcedureLighting and HornsOpen3.Headlamp β€” Diagnostic Aids > How to Troubleshoot ECU Controlled Systems > General InformationLighting and HornsOpen4.Headlamp β€” Diagnostic Aids > How to Troubleshoot ECU Controlled Systems > How to Proceed With TroubleshootingLighting and HornsOpen5.Headlamp β€” Diagnostic Aids > How to Troubleshoot Electrical Circuits > Continuity and Resistance CheckLighting and HornsOpen6.Headlamp β€” Diagnostic Aids > How to Troubleshoot Electrical Circuits > Disconnection of Male and Female ConnectorsLighting and HornsOpen7.Headlamp β€” Diagnostic Aids > How to Troubleshoot Electrical Circuits > Finding A Short CircuitLighting and HornsOpen8.Headlamp β€” Diagnostic Aids > How to Troubleshoot Electrical Circuits > How to Replace TerminalLighting and HornsOpen9.Headlamp β€” Diagnostic Aids > How to Troubleshoot Electrical Circuits > Voltage CheckLighting and HornsOpen10.Headlamp β€” Diagram Information and Instructions > Abbreviations Used Within DiagramsLighting and HornsOpen11.Headlamp β€” Diagram Information and Instructions > Symbols Used Within DiagramsLighting and HornsOpen12.Headlamp β€” Diagram Information and Instructions > Wiring Color CodesLighting and HornsOpen13.Headlamp β€” Electrical DiagramsLighting and HornsOpen14.Connector Views > Automatic Lighting System DiodeGeneralOpen15.Connector Views > Connector Views By Connector Number > H1 (Headlamp (LH High))GeneralOpen16.Connector Views > Connector Views By Connector Number > H3 (Headlamp (RH High))GeneralOpen17.Connector Views > Connector Views By Connector Number > H8 (Headlamp (LH Low))GeneralOpen18.Connector Views > Connector Views By Connector Number > H9 (Headlamp (RH Low))GeneralOpen19.Connector Views > HeadlampGeneralOpen20.Electrical Diagrams > HeadlampGeneralOpen21.Backup Lamp β€” Diagnostic Aids > How to Troubleshoot ECU Controlled Systems > Electronic Circuit Inspection ProcedureLighting and HornsOpen22.Backup Lamp β€” Diagnostic Aids > How to Troubleshoot ECU Controlled Systems > General InformationLighting and HornsOpen23.Backup Lamp β€” Diagnostic Aids > How to Troubleshoot ECU Controlled Systems > How to Proceed With TroubleshootingLighting and HornsOpen24.Backup Lamp β€” Diagnostic Aids > How to Troubleshoot Electrical Circuits > Continuity and Resistance CheckLighting and HornsOpen25.Backup Lamp β€” Diagnostic Aids > How to Troubleshoot Electrical Circuits > Disconnection of Male and Female ConnectorsLighting and HornsOpen26.Backup Lamp β€” Diagnostic Aids > How to Troubleshoot Electrical Circuits > Finding A Short CircuitLighting and HornsOpen27.Backup Lamp β€” Diagnostic Aids > How to Troubleshoot Electrical Circuits > How to Replace TerminalLighting and HornsOpen28.Backup Lamp β€” Diagnostic Aids > How to Troubleshoot Electrical Circuits > Voltage CheckLighting and HornsOpen29.Backup Lamp β€” Diagram Information and Instructions > Abbreviations Used Within DiagramsLighting and HornsOpen30.Backup Lamp β€” Diagram Information and Instructions > Symbols Used Within DiagramsLighting and HornsOpen31.Backup Lamp β€” Diagram Information and Instructions > Wiring Color CodesLighting and HornsOpen32.Backup Lamp β€” Electrical DiagramsLighting and HornsOpen33.Courtesy Lamp β€” Diagnostic Aids > How to Troubleshoot ECU Controlled Systems > Electronic Circuit Inspection ProcedureLighting and HornsOpen34.Courtesy Lamp β€” Diagnostic Aids > How to Troubleshoot ECU Controlled Systems > General InformationLighting and HornsOpen35.Courtesy Lamp β€” Diagnostic Aids > How to Troubleshoot ECU Controlled Systems > How to Proceed With TroubleshootingLighting and HornsOpen36.Courtesy Lamp β€” Diagnostic Aids > How to Troubleshoot Electrical Circuits > Continuity and Resistance CheckLighting and HornsOpen37.Courtesy Lamp β€” Diagnostic Aids > How to Troubleshoot Electrical Circuits > Disconnection of Male and Female ConnectorsLighting and HornsOpen38.Courtesy Lamp β€” Diagnostic Aids > How to Troubleshoot Electrical Circuits > Finding A Short CircuitLighting and HornsOpen39.Courtesy Lamp β€” Diagnostic Aids > How to Troubleshoot Electrical Circuits > How to Replace TerminalLighting and HornsOpen40.Courtesy Lamp β€” Diagnostic Aids > How to Troubleshoot Electrical Circuits > Voltage CheckLighting and HornsOpen41.Courtesy Lamp β€” Diagram Information and Instructions > Abbreviations Used Within DiagramsLighting and HornsOpen42.Courtesy Lamp β€” Diagram Information and Instructions > Symbols Used Within DiagramsLighting and HornsOpen43.Courtesy Lamp β€” Diagram Information and Instructions > Wiring Color CodesLighting and HornsOpen44.Courtesy Lamp β€” Electrical DiagramsLighting and HornsOpen45.Fog/Driving Lamp β€” DiagramLighting and HornsOpen46.Hazard Warning Lamps β€” Diagnostic Aids > How to Troubleshoot ECU Controlled Systems > Electronic Circuit Inspection ProcedureLighting and HornsOpen47.Hazard Warning Lamps β€” Diagnostic Aids > How to Troubleshoot ECU Controlled Systems > General InformationLighting and HornsOpen48.Hazard Warning Lamps β€” Diagnostic Aids > How to Troubleshoot ECU Controlled Systems > How to Proceed With TroubleshootingLighting and HornsOpen