Wiring Diagram Cluster

2009 Scion xB Body Electrical Wiring Diagram

Find body control module wiring, door lock circuits, interior lighting paths, and horn/alarm schematics.

Matched Diagrams

48

Variant Used

xB L4-2.4L (2AZ-FE)

Total Vehicle Diagrams

933

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 xB 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 xB A L L Diagnostic Trouble Codes ( DTC ) β†’

Diagnostic signal

Codes Often Seen With This System

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

B1318: Battery Voltage Low β†’

Top Body Electrical Diagram Paths

1.Doors, Hood and Trunk > Trunk / Liftgate β€” Diagnostic Aids > How to Troubleshoot ECU Controlled Systems > Electronic Circuit Inspection ProcedureBody and FrameOpen2.Doors, Hood and Trunk > Trunk / Liftgate β€” Diagnostic Aids > How to Troubleshoot ECU Controlled Systems > General InformationBody and FrameOpen3.Doors, Hood and Trunk > Trunk / Liftgate β€” Diagnostic Aids > How to Troubleshoot ECU Controlled Systems > How to Proceed With TroubleshootingBody and FrameOpen4.Doors, Hood and Trunk > Trunk / Liftgate β€” Diagnostic Aids > How to Troubleshoot Electrical Circuits > Continuity and Resistance CheckBody and FrameOpen5.Doors, Hood and Trunk > Trunk / Liftgate β€” Diagnostic Aids > How to Troubleshoot Electrical Circuits > Disconnection of Male and Female ConnectorsBody and FrameOpen6.Doors, Hood and Trunk > Trunk / Liftgate β€” Diagnostic Aids > How to Troubleshoot Electrical Circuits > Finding A Short CircuitBody and FrameOpen7.Doors, Hood and Trunk > Trunk / Liftgate β€” Diagnostic Aids > How to Troubleshoot Electrical Circuits > How to Replace TerminalBody and FrameOpen8.Doors, Hood and Trunk > Trunk / Liftgate β€” Diagnostic Aids > How to Troubleshoot Electrical Circuits > Voltage CheckBody and FrameOpen9.Doors, Hood and Trunk > Trunk / Liftgate β€” Diagram Information and Instructions > Abbreviations Used Within DiagramsBody and FrameOpen10.Doors, Hood and Trunk > Trunk / Liftgate β€” Diagram Information and Instructions > Symbols Used Within DiagramsBody and FrameOpen11.Doors, Hood and Trunk > Trunk / Liftgate β€” Diagram Information and Instructions > Wiring Color CodesBody and FrameOpen12.Doors, Hood and Trunk > Trunk / Liftgate β€” Electrical DiagramsBody and FrameOpen13.Horn β€” DiagramLighting and HornsOpen14.Locks > Keyless Entry β€” Diagnostic Aids > How to Troubleshoot ECU Controlled Systems > Electronic Circuit Inspection ProcedureBody and FrameOpen15.Locks > Keyless Entry β€” Diagnostic Aids > How to Troubleshoot ECU Controlled Systems > General InformationBody and FrameOpen16.Locks > Keyless Entry β€” Diagnostic Aids > How to Troubleshoot ECU Controlled Systems > How to Proceed With TroubleshootingBody and FrameOpen17.Locks > Keyless Entry β€” Diagnostic Aids > How to Troubleshoot Electrical Circuits > Continuity and Resistance CheckBody and FrameOpen18.Locks > Keyless Entry β€” Diagnostic Aids > How to Troubleshoot Electrical Circuits > Disconnection of Male and Female ConnectorsBody and FrameOpen19.Locks > Keyless Entry β€” Diagnostic Aids > How to Troubleshoot Electrical Circuits > Finding A Short CircuitBody and FrameOpen20.Locks > Keyless Entry β€” Diagnostic Aids > How to Troubleshoot Electrical Circuits > How to Replace TerminalBody and FrameOpen21.Locks > Keyless Entry β€” Diagnostic Aids > How to Troubleshoot Electrical Circuits > Voltage CheckBody and FrameOpen22.Locks > Keyless Entry β€” Diagram Information and Instructions > Abbreviations Used Within DiagramsBody and FrameOpen23.Locks > Keyless Entry β€” Diagram Information and Instructions > Symbols Used Within DiagramsBody and FrameOpen24.Locks > Keyless Entry β€” Diagram Information and Instructions > Wiring Color CodesBody and FrameOpen25.Locks > Keyless Entry β€” Electrical DiagramsBody and FrameOpen26.Antitheft and Alarm Systems > Keyless Entry β€” Diagnostic Aids > How to Troubleshoot ECU Controlled Systems > Electronic Circuit Inspection ProcedureAccessories and Optional EquipmentOpen27.Antitheft and Alarm Systems > Keyless Entry β€” Diagnostic Aids > How to Troubleshoot ECU Controlled Systems > General InformationAccessories and Optional EquipmentOpen28.Antitheft and Alarm Systems > Keyless Entry β€” Diagnostic Aids > How to Troubleshoot ECU Controlled Systems > How to Proceed With TroubleshootingAccessories and Optional EquipmentOpen29.Antitheft and Alarm Systems > Keyless Entry β€” Diagnostic Aids > How to Troubleshoot Electrical Circuits > Continuity and Resistance CheckAccessories and Optional EquipmentOpen30.Antitheft and Alarm Systems > Keyless Entry β€” Diagnostic Aids > How to Troubleshoot Electrical Circuits > Disconnection of Male and Female ConnectorsAccessories and Optional EquipmentOpen31.Antitheft and Alarm Systems > Keyless Entry β€” Diagnostic Aids > How to Troubleshoot Electrical Circuits > Finding A Short CircuitAccessories and Optional EquipmentOpen32.Antitheft and Alarm Systems > Keyless Entry β€” Diagnostic Aids > How to Troubleshoot Electrical Circuits > How to Replace TerminalAccessories and Optional EquipmentOpen33.Antitheft and Alarm Systems > Keyless Entry β€” Diagnostic Aids > How to Troubleshoot Electrical Circuits > Voltage CheckAccessories and Optional EquipmentOpen34.Antitheft and Alarm Systems > Keyless Entry β€” Diagram Information and Instructions > Abbreviations Used Within DiagramsAccessories and Optional EquipmentOpen35.Antitheft and Alarm Systems > Keyless Entry β€” Diagram Information and Instructions > Symbols Used Within DiagramsAccessories and Optional EquipmentOpen36.Antitheft and Alarm Systems > Keyless Entry β€” Diagram Information and Instructions > Wiring Color CodesAccessories and Optional EquipmentOpen37.Antitheft and Alarm Systems > Keyless Entry β€” Electrical DiagramsAccessories and Optional EquipmentOpen38.Components > Position of Parts In BodyGeneralOpen39.Connector Views > Body Control ModuleGeneralOpen40.Connector Views > Connector Views By Connector Number > A16 (Low Pitched Horn)GeneralOpen41.Connector Views > Connector Views By Connector Number > A17 (High Pitched Horn)GeneralOpen42.Connector Views > Connector Views By Connector Number > A29 (Wireless Door Lock Buzzer)GeneralOpen43.Connector Views > Connector Views By Connector Number > C45-A (Main Body ECU)GeneralOpen44.Connector Views > Connector Views By Connector Number > D4 (Front Door Lock Switch RH)GeneralOpen45.Connector Views > Connector Views By Connector Number > D6 (Front Door Lock Motor RH)GeneralOpen46.Connector Views > Connector Views By Connector Number > E6 (Front Door Lock Motor LH)GeneralOpen47.Connector Views > Connector Views By Connector Number > F4 (Rear Door Lock Motor RH)GeneralOpen48.Connector Views > Connector Views By Connector Number > G4 (Rear Door Lock Motor LH)GeneralOpen