Wiring Diagram Cluster

2012 Toyota Yaris Hatchback Body Electrical Wiring Diagram

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

Matched Diagrams

48

Variant Used

Yaris Hatchback L4-1.5L (1NZ-FE)

Total Vehicle Diagrams

1156

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 2012 Toyota Yaris Hatchback 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.

2012 Toyota Yaris Hatchback Service Precautions 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.Connector Views > Trunk / Liftgate Lock > Back Door Lock AssemblyGeneralOpen2.Connector Views > Trunk / Liftgate Lock > Luggage Compartment Door Lock AssemblyGeneralOpen3.Doors, Hood and Trunk > Trunk / Liftgate β€” Diagnostic Aids > How To Troubleshoot ECU Controlled Systems > Electronic Circuit Inspection ProcedureBody and FrameOpen4.Doors, Hood and Trunk > Trunk / Liftgate β€” Diagnostic Aids > How To Troubleshoot ECU Controlled Systems > General InformationBody and FrameOpen5.Doors, Hood and Trunk > Trunk / Liftgate β€” Diagnostic Aids > How To Troubleshoot ECU Controlled Systems > How To Proceed With TroubleshootingBody and FrameOpen6.Doors, Hood and Trunk > Trunk / Liftgate β€” Diagnostic Aids > How to Troubleshoot Electrical Circuits > Continuity and Resistance CheckBody and FrameOpen7.Doors, Hood and Trunk > Trunk / Liftgate β€” Diagnostic Aids > How to Troubleshoot Electrical Circuits > Disconnection of Male and Female ConnectorsBody and FrameOpen8.Doors, Hood and Trunk > Trunk / Liftgate β€” Diagnostic Aids > How to Troubleshoot Electrical Circuits > Finding A Short CircuitBody and FrameOpen9.Doors, Hood and Trunk > Trunk / Liftgate β€” Diagnostic Aids > How to Troubleshoot Electrical Circuits > How to Replace TerminalBody and FrameOpen10.Doors, Hood and Trunk > Trunk / Liftgate β€” Diagnostic Aids > How to Troubleshoot Electrical Circuits > Voltage CheckBody and FrameOpen11.Doors, Hood and Trunk > Trunk / Liftgate β€” Diagram Information and Instructions > Abbreviations Used Within DiagramsBody and FrameOpen12.Doors, Hood and Trunk > Trunk / Liftgate β€” Diagram Information and Instructions > How to Use This InformationBody and FrameOpen13.Doors, Hood and Trunk > Trunk / Liftgate β€” Diagram Information and Instructions > Symbols Used Within DiagramsBody and FrameOpen14.Doors, Hood and Trunk > Trunk / Liftgate β€” Diagram Information and Instructions > Wiring Color CodesBody and FrameOpen15.Doors, Hood and Trunk > Trunk / Liftgate β€” Electrical DiagramsBody and FrameOpen16.Horn β€” Connector ViewsLighting and HornsOpen17.Horn β€” Diagnostic Aids > How To Troubleshoot ECU Controlled Systems > Electronic Circuit Inspection ProcedureLighting and HornsOpen18.Horn β€” Diagnostic Aids > How To Troubleshoot ECU Controlled Systems > General InformationLighting and HornsOpen19.Horn β€” Diagnostic Aids > How To Troubleshoot ECU Controlled Systems > How To Proceed With TroubleshootingLighting and HornsOpen20.Horn β€” Diagnostic Aids > How to Troubleshoot Electrical Circuits > Continuity and Resistance CheckLighting and HornsOpen21.Horn β€” Diagnostic Aids > How to Troubleshoot Electrical Circuits > Disconnection of Male and Female ConnectorsLighting and HornsOpen22.Horn β€” Diagnostic Aids > How to Troubleshoot Electrical Circuits > Finding A Short CircuitLighting and HornsOpen23.Horn β€” Diagnostic Aids > How to Troubleshoot Electrical Circuits > How to Replace TerminalLighting and HornsOpen24.Horn β€” Diagnostic Aids > How to Troubleshoot Electrical Circuits > Voltage CheckLighting and HornsOpen25.Horn β€” Diagram Information and Instructions > Abbreviations Used Within DiagramsLighting and HornsOpen26.Horn β€” Diagram Information and Instructions > How to Use This InformationLighting and HornsOpen27.Horn β€” Diagram Information and Instructions > Symbols Used Within DiagramsLighting and HornsOpen28.Horn β€” Diagram Information and Instructions > Wiring Color CodesLighting and HornsOpen29.Horn β€” Electrical DiagramsLighting and HornsOpen30.Locks > Keyless Entry β€” Diagnostic Aids > How To Troubleshoot ECU Controlled Systems > Electronic Circuit Inspection ProcedureBody and FrameOpen31.Locks > Keyless Entry β€” Diagnostic Aids > How To Troubleshoot ECU Controlled Systems > General InformationBody and FrameOpen32.Locks > Keyless Entry β€” Diagnostic Aids > How To Troubleshoot ECU Controlled Systems > How To Proceed With TroubleshootingBody and FrameOpen33.Locks > Keyless Entry β€” Diagnostic Aids > How to Troubleshoot Electrical Circuits > Continuity and Resistance CheckBody and FrameOpen34.Locks > Keyless Entry β€” Diagnostic Aids > How to Troubleshoot Electrical Circuits > Disconnection of Male and Female ConnectorsBody and FrameOpen35.Locks > Keyless Entry β€” Diagnostic Aids > How to Troubleshoot Electrical Circuits > Finding A Short CircuitBody and FrameOpen36.Locks > Keyless Entry β€” Diagnostic Aids > How to Troubleshoot Electrical Circuits > How to Replace TerminalBody and FrameOpen37.Locks > Keyless Entry β€” Diagnostic Aids > How to Troubleshoot Electrical Circuits > Voltage CheckBody and FrameOpen38.Locks > Keyless Entry β€” Diagram Information and Instructions > Abbreviations Used Within DiagramsBody and FrameOpen39.Locks > Keyless Entry β€” Diagram Information and Instructions > How to Use This InformationBody and FrameOpen40.Locks > Keyless Entry β€” Diagram Information and Instructions > Symbols Used Within DiagramsBody and FrameOpen41.Locks > Keyless Entry β€” Diagram Information and Instructions > Wiring Color CodesBody and FrameOpen42.Locks > Keyless Entry β€” Electrical DiagramsBody and FrameOpen43.Antitheft and Alarm Systems > Alarm Horn β€” Security HornAccessories and Optional EquipmentOpen44.Antitheft and Alarm Systems > Alarm Horn β€” Security Horn AssemblyAccessories and Optional EquipmentOpen45.Antitheft and Alarm Systems > Keyless Entry β€” Diagnostic Aids > How To Troubleshoot ECU Controlled Systems > Electronic Circuit Inspection ProcedureAccessories and Optional EquipmentOpen46.Antitheft and Alarm Systems > Keyless Entry β€” Diagnostic Aids > How To Troubleshoot ECU Controlled Systems > General InformationAccessories and Optional EquipmentOpen47.Antitheft and Alarm Systems > Keyless Entry β€” Diagnostic Aids > How To Troubleshoot ECU Controlled Systems > How To Proceed With TroubleshootingAccessories and Optional EquipmentOpen48.Antitheft and Alarm Systems > Keyless Entry β€” Diagnostic Aids > How to Troubleshoot Electrical Circuits > Continuity and Resistance CheckAccessories and Optional EquipmentOpen