Wiring Diagram Cluster
2012 Toyota Prius Body Electrical Wiring Diagram
Find body control module wiring, door lock circuits, interior lighting paths, and horn/alarm schematics.
Matched Diagrams
48
Variant Used
Prius C L4-1.5L (1NZ-FXE) Hybrid
Total Vehicle Diagrams
1623
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 Prius hub with repairs, specs, codes, and other systems already tied to this car.
View vehicle repair hub →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 Prius A L L Diagnostic Trouble Codes ( DTC ) →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 →Top Body Electrical Diagram Paths
1.Locks > Keyless Entry — Electrical Diagrams > Smart Key System and Wireless Door Lock Control (w/ Smart Key System)Body and FrameOpen2.Locks > Keyless Entry — Electrical Diagrams > Wireless Door Lock Control (w/o Smart Key System)Body and FrameOpen3.Antitheft and Alarm Systems > Keyless Entry — Electrical Diagrams > Smart Key System and Wireless Door Lock Control (w/ Smart Key System)Accessories and Optional EquipmentOpen4.Antitheft and Alarm Systems > Keyless Entry — Electrical Diagrams > Wireless Door Lock Control (w/o Smart Key System)Accessories and Optional EquipmentOpen5.Electrical Diagrams > Keyless Entry > Smart Key System and Wireless Door Lock Control (w/ Smart Key System)GeneralOpen6.Electrical Diagrams > Keyless Entry > Wireless Door Lock Control (w/o Smart Key System)GeneralOpen7.Doors, Hood and Trunk > Fuel Door — Diagnostic Aids > Continuity and Resistance CheckBody and FrameOpen8.Doors, Hood and Trunk > Fuel Door — Diagnostic Aids > Disconnection of Male and Female ConnectorsBody and FrameOpen9.Doors, Hood and Trunk > Fuel Door — Diagnostic Aids > Finding A Short CircuitBody and FrameOpen10.Doors, Hood and Trunk > Fuel Door — Diagnostic Aids > How to Replace TerminalBody and FrameOpen11.Doors, Hood and Trunk > Fuel Door — Diagnostic Aids > How To Troubleshoot ECU Controlled Systems > Electronic Circuit Inspection ProcedureBody and FrameOpen12.Doors, Hood and Trunk > Fuel Door — Diagnostic Aids > How To Troubleshoot ECU Controlled Systems > General InformationBody and FrameOpen13.Doors, Hood and Trunk > Fuel Door — Diagnostic Aids > How To Troubleshoot ECU Controlled Systems > How To Proceed With TroubleshootingBody and FrameOpen14.Doors, Hood and Trunk > Fuel Door — Diagnostic Aids > Voltage CheckBody and FrameOpen15.Doors, Hood and Trunk > Fuel Door — Diagram Information and Instructions > Abbreviations Used Within DiagramsBody and FrameOpen16.Doors, Hood and Trunk > Fuel Door — Diagram Information and Instructions > How to Use This InformationBody and FrameOpen17.Doors, Hood and Trunk > Fuel Door — Diagram Information and Instructions > Symbols Used Within DiagramsBody and FrameOpen18.Doors, Hood and Trunk > Fuel Door — Diagram Information and Instructions > Wiring Color CodesBody and FrameOpen19.Doors, Hood and Trunk > Fuel Door — Electrical DiagramsBody and FrameOpen20.Doors, Hood and Trunk > Trunk / Liftgate — Diagnostic Aids > Continuity and Resistance CheckBody and FrameOpen21.Doors, Hood and Trunk > Trunk / Liftgate — Diagnostic Aids > Disconnection of Male and Female ConnectorsBody and FrameOpen22.Doors, Hood and Trunk > Trunk / Liftgate — Diagnostic Aids > Finding A Short CircuitBody and FrameOpen23.Doors, Hood and Trunk > Trunk / Liftgate — Diagnostic Aids > How to Replace TerminalBody and FrameOpen24.Doors, Hood and Trunk > Trunk / Liftgate — Diagnostic Aids > How To Troubleshoot ECU Controlled Systems > Electronic Circuit Inspection ProcedureBody and FrameOpen25.Doors, Hood and Trunk > Trunk / Liftgate — Diagnostic Aids > How To Troubleshoot ECU Controlled Systems > General InformationBody and FrameOpen26.Doors, Hood and Trunk > Trunk / Liftgate — Diagnostic Aids > How To Troubleshoot ECU Controlled Systems > How To Proceed With TroubleshootingBody and FrameOpen27.Doors, Hood and Trunk > Trunk / Liftgate — Diagnostic Aids > Voltage CheckBody and FrameOpen28.Doors, Hood and Trunk > Trunk / Liftgate — Diagram Information and Instructions > Abbreviations Used Within DiagramsBody and FrameOpen29.Doors, Hood and Trunk > Trunk / Liftgate — Diagram Information and Instructions > How to Use This InformationBody and FrameOpen30.Doors, Hood and Trunk > Trunk / Liftgate — Diagram Information and Instructions > Symbols Used Within DiagramsBody and FrameOpen31.Doors, Hood and Trunk > Trunk / Liftgate — Diagram Information and Instructions > Wiring Color CodesBody and FrameOpen32.Doors, Hood and Trunk > Trunk / Liftgate — Electrical Diagrams > Back Door Opener (w/o Power Back Door) and Glass Hatch OpenerBody and FrameOpen33.Doors, Hood and Trunk > Trunk / Liftgate — Electrical Diagrams > Power Back DoorBody and FrameOpen34.Horn — Connector Views > High Pitched Horn AssemblyLighting and HornsOpen35.Horn — Connector Views > Low Pitched Horn AssemblyLighting and HornsOpen36.Horn — Diagnostic Aids > Continuity and Resistance CheckLighting and HornsOpen37.Horn — Diagnostic Aids > Disconnection of Male and Female ConnectorsLighting and HornsOpen38.Horn — Diagnostic Aids > Finding A Short CircuitLighting and HornsOpen39.Horn — Diagnostic Aids > How to Replace TerminalLighting and HornsOpen40.Horn — Diagnostic Aids > How To Troubleshoot ECU Controlled Systems > Electronic Circuit Inspection ProcedureLighting and HornsOpen41.Horn — Diagnostic Aids > How To Troubleshoot ECU Controlled Systems > General InformationLighting and HornsOpen42.Horn — Diagnostic Aids > How To Troubleshoot ECU Controlled Systems > How To Proceed With TroubleshootingLighting and HornsOpen43.Horn — Diagnostic Aids > Voltage CheckLighting and HornsOpen44.Horn — Diagram Information and Instructions > Abbreviations Used Within DiagramsLighting and HornsOpen45.Horn — Diagram Information and Instructions > How to Use This InformationLighting and HornsOpen46.Horn — Diagram Information and Instructions > Symbols Used Within DiagramsLighting and HornsOpen47.Horn — Diagram Information and Instructions > Wiring Color CodesLighting and HornsOpen48.Horn — Electrical DiagramsLighting and HornsOpen
Exact Vehicle Hub
Browse →OEM Manual Evidence
Browse →2012 Toyota Prius A L L Diagnostic Trouble Codes ( DTC )OEM Manual
A L L Diagnostic Trouble Codes ( DTC ) — 2012 Toyota Prius PHV L4-1.8L (2ZR-FXE) Hybrid Service Manual | Operation CHARM Operation CHARM :...
2012 Toyota Prius A L L Diagnostic Trouble Codes ( DTC )OEM Manual
A L L Diagnostic Trouble Codes ( DTC ) — 2012 Toyota Prius L4-1.8L (2ZR-FXE) Hybrid Service Manual | Operation CHARM Operation CHARM : Car...
2012 Toyota Prius A L L Diagnostic Trouble Codes ( DTC )OEM Manual
A L L Diagnostic Trouble Codes ( DTC ) — 2012 Toyota Prius V L4-1.8L (2ZR-FXE) Hybrid Service Manual | Operation CHARM Operation CHARM : Ca...
2012 Toyota Prius Service PrecautionsOEM Manual
Repair and Diagnosis: Service Precautions — 2012 Toyota Yaris Hatchback L4-1.5L (1NZ-FE) Service Manual | Operation CHARM Operation CHARM :...
Likely Trouble Codes for This System
Browse →More Prius Wiring Pages
Starter Wiring DiagramAlternator Wiring DiagramFuel Pump Wiring DiagramHeadlight Wiring DiagramABS Brake Wiring DiagramA/C & Heater Wiring DiagramPower Window Wiring DiagramInstrument Cluster Wiring DiagramWiper & Washer Wiring DiagramTransmission Wiring DiagramCruise Control Wiring DiagramAirbag SRS Wiring DiagramEngine Management Wiring Diagram
Same System, Other Vehicles
2012 Toyota Camry Body Electrical Wiring Diagram2012 Toyota Matrix AWD Body Electrical Wiring Diagram2012 Toyota Matrix FWD Body Electrical Wiring Diagram2012 Toyota Prius PHV Body Electrical Wiring Diagram2012 Toyota Prius V Body Electrical Wiring Diagram2012 Toyota Venza AWD Body Electrical Wiring Diagram2012 Toyota Venza FWD Body Electrical Wiring Diagram2012 Toyota Yaris Hatchback Body Electrical Wiring Diagram